Merge m-c to m-i

b2g/config/gaia.json

@@ -1,4 +1,4 @@
 {
-    "revision": "51dc7b3879435541f8ee00fa903a6dbc44726da4", 
+    "revision": "cf34567487555df98987144f9acda7eb58f51c4b", 
     "repo_path": "/integration/gaia-central"
 }

browser/app/blocklist.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<blocklist xmlns="http://www.mozilla.org/2006/addons-blocklist" lastupdate="1380130116000">
+<blocklist xmlns="http://www.mozilla.org/2006/addons-blocklist" lastupdate="1380576907000">
   <emItems>
       <emItem  blockID="i454" id="sqlmoz@facebook.com">
                         <versionRange  minVersion="0" maxVersion="*" severity="3">
@@ -1159,6 +1159,9 @@
       <pluginItem  blockID="p428">
                   <match name="filename" exp="np[dD]eployJava1\.dll" />                      <versionRange  severity="0" vulnerabilitystatus="2"></versionRange>
                   </pluginItem>
+      <pluginItem  blockID="p456">
+                  <match name="filename" exp="npvlc\.dll" />                      <versionRange  minVersion="0" maxVersion="2.0.5" severity="0" vulnerabilitystatus="1"></versionRange>
+                  </pluginItem>
     </pluginItems>
 
   <gfxItems>

browser/devtools/app-manager/webapps-store.js

@@ -8,9 +8,6 @@ const {Connection} = require("devtools/client/connection-manager");
 
 const {Cu} = require("chrome");
 const dbgClient = Cu.import("resource://gre/modules/devtools/dbg-client.jsm");
-dbgClient.UnsolicitedNotifications.appOpen = "appOpen";
-dbgClient.UnsolicitedNotifications.appClose = "appClose"
-
 const _knownWebappsStores = new WeakMap();
 
 let WebappsStore;
@@ -103,6 +100,14 @@ WebappsStore.prototype = {
         this._onAppClose(manifestURL);
       });
 
+      client.addListener("appInstall", (type, { manifestURL }) => {
+        this._onAppInstall(manifestURL);
+      });
+
+      client.addListener("appUninstall", (type, { manifestURL }) => {
+        this._onAppUninstall(manifestURL);
+      });
+
       return deferred.resolve();
     })
     return deferred.promise;
@@ -177,6 +182,10 @@ WebappsStore.prototype = {
       let a = allApps[idx++];
       request.manifestURL = a.manifestURL;
       return client.request(request, (res) => {
+        if (res.error) {
+          Cu.reportError(res.message || res.error);
+        }
+
         if (res.url) {
           a.iconURL = res.url;
         }
@@ -204,4 +213,57 @@ WebappsStore.prototype = {
       return m != manifest;
     });
   },
+
+  _onAppInstall: function(manifest) {
+    let client = this._connection.client;
+    let request = {
+      to: this._webAppsActor,
+      type: "getApp",
+      manifestURL: manifest
+    };
+
+    client.request(request, (res) => {
+      if (res.error) {
+        if (res.error == "forbidden") {
+          // We got a notification for an app we don't have access to.
+          // Ignore.
+          return;
+        }
+        Cu.reportError(res.message || res.error);
+        return;
+      }
+
+      let app = res.app;
+      app.running = false;
+
+      let notFound = true;
+      let proxifiedApp;
+      for (let i = 0; i < this.object.all.length; i++) {
+        let storedApp = this.object.all[i];
+        if (storedApp.manifestURL == app.manifestURL) {
+          this.object.all[i] = app;
+          proxifiedApp = this.object.all[i];
+          notFound = false;
+          break;
+        }
+      }
+      if (notFound) {
+        this.object.all.push(app);
+        proxifiedApp = this.object.all[this.object.all.length - 1];
+      }
+
+      request.type = "getIconAsDataURL";
+      client.request(request, (res) => {
+        if (res.url) {
+          proxifiedApp.iconURL = res.url;
+        }
+      });
+    });
+  },
+
+  _onAppUninstall: function(manifest) {
+    this.object.all = this.object.all.filter((app) => {
+      return (app.manifestURL != manifest);
+    });
+  },
 }

browser/devtools/debugger/debugger-panes.js

@@ -1552,6 +1552,13 @@ EventListenersView.prototype = Heritage.extend(WidgetMethods, {
    */
   addListener: function(aListener, aOptions = {}) {
     let { node: { selector }, function: { url }, type } = aListener;
+    if (!type) return;
+
+    // Some listener objects may be added from plugins, thus getting
+    // translated to native code.
+    if (!url) {
+      url = this._inNativeCodeString;
+    }
 
     // If an event item for this listener's url and type was already added,
     // avoid polluting the view and simply increase the "targets" count.
@@ -1627,12 +1634,6 @@ EventListenersView.prototype = Heritage.extend(WidgetMethods, {
       group = L10N.getStr("otherEvents");
     }
 
-    // Some listener objects may be added from plugins, thus getting
-    // translated to native code.
-    if (!url) {
-      url = this._inNativeCodeString;
-    }
-
     // Create the element node for the event listener item.
     let itemView = this._createItemView(type, selector, url);
 

browser/devtools/debugger/test/browser.ini

@@ -74,6 +74,7 @@ support-files =
 [browser_dbg_break-on-dom-04.js]
 [browser_dbg_break-on-dom-05.js]
 [browser_dbg_break-on-dom-06.js]
+[browser_dbg_break-on-dom-07.js]
 [browser_dbg_breakpoints-actual-location.js]
 [browser_dbg_breakpoints-contextmenu.js]
 [browser_dbg_breakpoints-disabled-reload.js]

browser/devtools/debugger/test/browser_dbg_break-on-dom-07.js

@@ -0,0 +1,104 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+/**
+ * Tests that system event listeners don't get duplicated in the view.
+ */
+
+function test() {
+  initDebugger("about:blank").then(([aTab, aDebuggee, aPanel]) => {
+    let gDebugger = aPanel.panelWin;
+    let gView = gDebugger.DebuggerView;
+    let gEvents = gView.EventListeners;
+    let gL10N = gDebugger.L10N;
+
+    is(gEvents.itemCount, 0,
+      "There are no events displayed in the corresponding pane yet.");
+
+    gEvents.addListener({
+      type: "foo",
+      node: { selector: "#first" },
+      function: { url: null }
+    });
+
+    is(gEvents.itemCount, 1,
+      "There was a system event listener added in the view.");
+    is(gEvents.attachments[0].url, gL10N.getStr("eventNative"),
+      "The correct string is used as the event's url.");
+    is(gEvents.attachments[0].type, "foo",
+      "The correct string is used as the event's type.");
+    is(gEvents.attachments[0].selectors.toString(), "#first",
+      "The correct array of selectors is used as the event's target.");
+
+    gEvents.addListener({
+      type: "bar",
+      node: { selector: "#second" },
+      function: { url: null }
+    });
+
+    is(gEvents.itemCount, 2,
+      "There was another system event listener added in the view.");
+    is(gEvents.attachments[1].url, gL10N.getStr("eventNative"),
+      "The correct string is used as the event's url.");
+    is(gEvents.attachments[1].type, "bar",
+      "The correct string is used as the event's type.");
+    is(gEvents.attachments[1].selectors.toString(), "#second",
+      "The correct array of selectors is used as the event's target.");
+
+    gEvents.addListener({
+      type: "foo",
+      node: { selector: "#first" },
+      function: { url: null }
+    });
+
+    is(gEvents.itemCount, 2,
+      "There wasn't another system event listener added in the view.");
+    is(gEvents.attachments[0].url, gL10N.getStr("eventNative"),
+      "The correct string is used as the event's url.");
+    is(gEvents.attachments[0].type, "foo",
+      "The correct string is used as the event's type.");
+    is(gEvents.attachments[0].selectors.toString(), "#first",
+      "The correct array of selectors is used as the event's target.");
+
+    gEvents.addListener({
+      type: "foo",
+      node: { selector: "#second" },
+      function: { url: null }
+    });
+
+    is(gEvents.itemCount, 2,
+      "There still wasn't another system event listener added in the view.");
+    is(gEvents.attachments[0].url, gL10N.getStr("eventNative"),
+      "The correct string is used as the event's url.");
+    is(gEvents.attachments[0].type, "foo",
+      "The correct string is used as the event's type.");
+    is(gEvents.attachments[0].selectors.toString(), "#first,#second",
+      "The correct array of selectors is used as the event's target.");
+
+
+    gEvents.addListener({
+      type: null,
+      node: { selector: "#bogus" },
+      function: { url: null }
+    });
+
+    is(gEvents.itemCount, 2,
+      "No bogus system event listener was added in the view.");
+
+    is(gEvents.attachments[0].url, gL10N.getStr("eventNative"),
+      "The correct string is used as the first event's url.");
+    is(gEvents.attachments[0].type, "foo",
+      "The correct string is used as the first event's type.");
+    is(gEvents.attachments[0].selectors.toString(), "#first,#second",
+      "The correct array of selectors is used as the first event's target.");
+
+    is(gEvents.attachments[1].url, gL10N.getStr("eventNative"),
+      "The correct string is used as the second event's url.");
+    is(gEvents.attachments[1].type, "bar",
+      "The correct string is used as the second event's type.");
+    is(gEvents.attachments[1].selectors.toString(), "#second",
+      "The correct array of selectors is used as the second event's target.");
+
+    closeDebuggerAndFinish(aPanel);
+  });
+}

gfx/gl/GLContextProviderEGL.cpp

@@ -596,9 +596,13 @@ public:
     {
         if (mSurface && !mPlatformContext) {
 #ifdef MOZ_WIDGET_GONK
-            if (!mIsOffscreen)
-                return GetGonkDisplay()->SwapBuffers(EGL_DISPLAY(), mSurface);
-            else
+            if (!mIsOffscreen) {
+                if (mHwc) {
+                    return mHwc->Render(EGL_DISPLAY(), mSurface);
+                } else {
+                    return GetGonkDisplay()->SwapBuffers(EGL_DISPLAY(), mSurface);
+                }
+            } else
 #endif
                 return sEGLLibrary.fSwapBuffers(EGL_DISPLAY(), mSurface);
         } else {

ipc/dbus/RawDBusConnection.cpp

@@ -441,7 +441,7 @@ bool RawDBusConnection::SendWithError(DBusMessage** aReply,
     *aReply = t->GetReply();
   }
 
-  return false;
+  return true;
 }
 
 bool RawDBusConnection::SendWithError(DBusMessage** aReply,

security/manager/boot/src/nsSTSPreloadList.errors

@@ -8,6 +8,7 @@ appengine.google.com: did not receive HSTS header
 bcrook.com: max-age too low: 86400
 betnet.fr: could not connect to host
 bigshinylock.minazo.net: could not connect to host
+bitbucket.org: max-age too low: 2592000
 blueseed.co: did not receive HSTS header
 braintreegateway.com: did not receive HSTS header
 braintreepayments.com: did not receive HSTS header
@@ -22,6 +23,9 @@ codereview.chromium.org: did not receive HSTS header
 crowdcurity.com: did not receive HSTS header
 crypto.is: did not receive HSTS header
 csawctf.poly.edu: did not receive HSTS header
+cupcake.io: max-age too low: 3153600
+cupcake.is: max-age too low: 3153600
+cybozu.com: did not receive HSTS header
 dl.google.com: did not receive HSTS header
 docs.google.com: did not receive HSTS header
 drive.google.com: did not receive HSTS header
@@ -41,6 +45,7 @@ grepular.com: [Exception... "Component returned failure code: 0x80004005 (NS_ERR
 groups.google.com: did not receive HSTS header
 history.google.com: did not receive HSTS header
 hostedtalkgadget.google.com: did not receive HSTS header
+id.atlassian.com: did not receive HSTS header
 iop.intuit.com: max-age too low: 86400
 irccloud.com: did not receive HSTS header
 jitsi.org: did not receive HSTS header
@@ -49,6 +54,7 @@ kiwiirc.com: max-age too low: 5256000
 ledgerscope.net: max-age too low: 86400
 lists.mayfirst.org: did not receive HSTS header
 logentries.com: did not receive HSTS header
+lumi.do: [Exception... "Component returned failure code: 0x80004005 (NS_ERROR_FAILURE) [nsISiteSecurityService.processHeader]"  nsresult: "0x80004005 (NS_ERROR_FAILURE)"  location: "JS frame :: /builds/slave/m-cen-l64-hsts-000000000000000/getHSTSPreloadList.js :: processStsHeader :: line 124"  data: no]
 mail.google.com: did not receive HSTS header
 market.android.com: did not receive HSTS header
 my.alfresco.com: did not receive HSTS header
@@ -82,18 +88,21 @@ sunshinepress.org: could not connect to host
 surfeasy.com: did not receive HSTS header
 talk.google.com: did not receive HSTS header
 talkgadget.google.com: did not receive HSTS header
+tent.io: max-age too low: 3153600
 torproject.org: did not receive HSTS header
 translate.google.com: did not receive HSTS header
 translate.googleapis.com: did not receive HSTS header
 uprotect.it: could not connect to host
 wallet.google.com: did not receive HSTS header
 whonix.org: did not receive HSTS header
+www.cueup.com: did not receive HSTS header
 www.developer.mydigipass.com: could not connect to host
 www.dropcam.com: max-age too low: 2592000
 www.elanex.biz: did not receive HSTS header
 www.gmail.com: did not receive HSTS header
 www.googlemail.com: did not receive HSTS header
-www.greplin.com: did not receive HSTS header
+www.gov.uk: [Exception... "Component returned failure code: 0x80004005 (NS_ERROR_FAILURE) [nsISiteSecurityService.processHeader]"  nsresult: "0x80004005 (NS_ERROR_FAILURE)"  location: "JS frame :: /builds/slave/m-cen-l64-hsts-000000000000000/getHSTSPreloadList.js :: processStsHeader :: line 124"  data: no]
+www.greplin.com: could not connect to host
 www.jitsi.org: did not receive HSTS header
 www.lastpass.com: did not receive HSTS header
 www.ledgerscope.net: max-age too low: 86400
@@ -104,4 +113,4 @@ www.paycheckrecords.com: max-age too low: 86400
 www.paypal.com: [Exception... "Component returned failure code: 0x80004005 (NS_ERROR_FAILURE) [nsISiteSecurityService.processHeader]"  nsresult: "0x80004005 (NS_ERROR_FAILURE)"  location: "JS frame :: /builds/slave/m-cen-l64-hsts-000000000000000/getHSTSPreloadList.js :: processStsHeader :: line 124"  data: no]
 www.sandbox.mydigipass.com: could not connect to host
 www.surfeasy.com: did not receive HSTS header
-zoo24.de: did not receive HSTS header
+zoo24.de: max-age too low: 2592000

security/manager/boot/src/nsSTSPreloadList.inc

@@ -8,7 +8,7 @@
 /*****************************************************************************/
 
 #include <stdint.h>
-const PRTime gPreloadListExpirationTime = INT64_C(1391250031831000);
+const PRTime gPreloadListExpirationTime = INT64_C(1391854333088000);
 
 class nsSTSPreload
 {
@@ -44,12 +44,14 @@ static const nsSTSPreload kSTSPreloadList[] = {
   { "crm.onlime.ch", false },
   { "crypto.cat", false },
   { "cyphertite.com", true },
+  { "davidlyness.com", true },
   { "developer.mydigipass.com", false },
   { "dist.torproject.org", false },
   { "dm.lookout.com", false },
   { "dm.mylookout.com", false },
   { "download.jitsi.org", false },
   { "ebanking.indovinabank.com.vn", false },
+  { "ecosystem.atlassian.net", true },
   { "entropia.de", false },
   { "espra.com", true },
   { "factor.cc", false },
@@ -122,7 +124,6 @@ static const nsSTSPreload kSTSPreloadList[] = {
   { "writeapp.me", false },
   { "www.apollo-auto.com", true },
   { "www.braintreepayments.com", false },
-  { "www.cueup.com", false },
   { "www.cyveillance.com", true },
   { "www.entropia.de", false },
   { "www.gov.uk", false },

toolkit/devtools/apps/tests/unit/head_apps.js

@@ -98,7 +98,6 @@ function do_get_webappsdir() {
   coreAppsDir.append("test_coreapps");
   if (!coreAppsDir.exists())
     coreAppsDir.create(Ci.nsIFile.DIRECTORY_TYPE, parseInt("755", 8));
-  var tmpDir = Services.dirsvc.get("TmpD", Ci.nsILocalFile);
 
   // Register our own provider for the profile directory.
   // It will return our special docshell profile directory.
@@ -111,7 +110,6 @@ function do_get_webappsdir() {
       else if (prop == "coreAppsDir") {
         return coreAppsDir.clone();
       }
-      return tmpDir.clone();
       throw Cr.NS_ERROR_FAILURE;
     },
     QueryInterface: function(iid) {

toolkit/devtools/apps/tests/unit/test_webappsActor.js

@@ -57,6 +57,23 @@ add_test(function testGetAll() {
   });
 });
 
+add_test(function testGetApp() {
+  let manifestURL = APP_ORIGIN + "/manifest.webapp";
+  let request = {type: "getApp", manifestURL: manifestURL};
+  webappActorRequest(request, function (aResponse) {
+    do_check_true("app" in aResponse);
+    let app = aResponse.app;
+    do_check_eq(app.id, gAppId);
+    do_check_eq(app.name, "Test app");
+    do_check_eq(app.manifest.description, "Testing webapps actor");
+    do_check_eq(app.manifest.launch_path, "/index.html");
+    do_check_eq(app.origin, APP_ORIGIN);
+    do_check_eq(app.installOrigin, app.origin);
+    do_check_eq(app.manifestURL, app.origin + "/manifest.webapp");
+    run_next_test();
+  });
+});
+
 add_test(function testLaunchApp() {
   let manifestURL = APP_ORIGIN + "/manifest.webapp";
   let startPoint = "/index.html";

toolkit/devtools/server/actors/webapps.js

@@ -544,6 +544,32 @@ WebappsActor.prototype = {
     return deferred.promise;
   },
 
+  getApp: function wa_actorGetApp(aRequest) {
+    debug("getApp");
+
+    let manifestURL = aRequest.manifestURL;
+    if (!manifestURL) {
+      return { error: "missingParameter",
+               message: "missing parameter manifestURL" };
+    }
+
+    let reg = DOMApplicationRegistry;
+    let app = reg.getAppByManifestURL(manifestURL);
+    if (!app) {
+      return { error: "appNotFound" };
+    }
+
+    if (this._isAppAllowedForManifest(app.manifestURL)) {
+      let deferred = promise.defer();
+      reg.getManifestFor(manifestURL, function (manifest) {
+        app.manifest = manifest;
+        deferred.resolve({app: app});
+      });
+      return deferred.promise;
+    }
+    return { error: "forbidden" };
+  },
+
   _areCertifiedAppsAllowed: function wa__areCertifiedAppsAllowed() {
     let pref = "devtools.debugger.forbid-certified-apps";
     return !Services.prefs.getBoolPref(pref);
@@ -955,6 +981,7 @@ if (Services.prefs.getBoolPref("devtools.debugger.enable-content-actors")) {
   let requestTypes = WebappsActor.prototype.requestTypes;
   requestTypes.uploadPackage = WebappsActor.prototype.uploadPackage;
   requestTypes.getAll = WebappsActor.prototype.getAll;
+  requestTypes.getApp = WebappsActor.prototype.getApp;
   requestTypes.launch = WebappsActor.prototype.launch;
   requestTypes.close  = WebappsActor.prototype.close;
   requestTypes.uninstall = WebappsActor.prototype.uninstall;

widget/gonk/HwcComposer2D.cpp

@@ -445,45 +445,114 @@ HwcComposer2D::TryHwComposition()
 {
     FramebufferSurface* fbsurface = (FramebufferSurface*)(GetGonkDisplay()->GetFBSurface());
 
+    if (!(fbsurface && fbsurface->lastHandle)) {
+        LOGD("H/W Composition failed. FBSurface not initialized.");
+        return false;
+    }
+
+    // Add FB layer
+    int idx = mList->numHwLayers++;
+    if (idx >= mMaxLayerCount) {
+        if (!ReallocLayerList() || idx >= mMaxLayerCount) {
+            LOGE("TryHwComposition failed! Could not add FB layer");
+            return false;
+        }
+    }
+
+    Prepare(fbsurface->lastHandle, -1);
+
+    for (int j = 0; j < idx; j++) {
+        if (mList->hwLayers[j].compositionType == HWC_FRAMEBUFFER) {
+            LOGD("GPU or Partial HWC Composition");
+            return false;
+        }
+    }
+
+    // Full HWC Composition
+    Commit();
+
+    // No composition on FB layer, so closing releaseFenceFd
+    close(mList->hwLayers[idx].releaseFenceFd);
+    mList->hwLayers[idx].releaseFenceFd = -1;
+    mList->numHwLayers = 0;
+    return true;
+}
+
+bool
+HwcComposer2D::Render(EGLDisplay dpy, EGLSurface sur)
+{
+    if (!mList) {
+        // After boot, HWC list hasn't been created yet
+        return GetGonkDisplay()->SwapBuffers(dpy, sur);
+    }
+
+    GetGonkDisplay()->UpdateFBSurface(dpy, sur);
+
+    FramebufferSurface* fbsurface = (FramebufferSurface*)(GetGonkDisplay()->GetFBSurface());
     if (!fbsurface) {
         LOGE("H/W Composition failed. FBSurface not initialized.");
         return false;
     }
 
-    hwc_display_contents_1_t *displays[HWC_NUM_DISPLAY_TYPES] = {NULL};
+    if (mList->numHwLayers != 0) {
+        // No mHwc prepare, if already prepared in current draw cycle
+        mList->hwLayers[mList->numHwLayers - 1].handle = fbsurface->lastHandle;
+        mList->hwLayers[mList->numHwLayers - 1].acquireFenceFd = fbsurface->lastFenceFD;
+    } else {
+        mList->numHwLayers = 2;
+        mList->hwLayers[0].hints = 0;
+        mList->hwLayers[0].compositionType = HWC_BACKGROUND;
+        mList->hwLayers[0].flags = HWC_SKIP_LAYER;
+        mList->hwLayers[0].backgroundColor = {0};
+        mList->hwLayers[0].displayFrame = {0, 0, mScreenRect.width, mScreenRect.height};
+        Prepare(fbsurface->lastHandle, fbsurface->lastFenceFD);
+    }
+
+    // GPU or partial HWC Composition
+    Commit();
+
+    GetGonkDisplay()->SetFBReleaseFd(mList->hwLayers[mList->numHwLayers - 1].releaseFenceFd);
+    mList->numHwLayers = 0;
+    return true;
+}
+
+void
+HwcComposer2D::Prepare(buffer_handle_t fbHandle, int fence)
+{
+    int idx = mList->numHwLayers - 1;
     const hwc_rect_t r = {0, 0, mScreenRect.width, mScreenRect.height};
-    int idx = mList->numHwLayers;
+    hwc_display_contents_1_t *displays[HWC_NUM_DISPLAY_TYPES] = { nullptr };
 
     displays[HWC_DISPLAY_PRIMARY] = mList;
     mList->flags = HWC_GEOMETRY_CHANGED;
+    mList->outbufAcquireFenceFd = -1;
+    mList->outbuf = nullptr;
     mList->retireFenceFd = -1;
 
     mList->hwLayers[idx].hints = 0;
     mList->hwLayers[idx].flags = 0;
     mList->hwLayers[idx].transform = 0;
-    mList->hwLayers[idx].handle = fbsurface->lastHandle;
+    mList->hwLayers[idx].handle = fbHandle;
     mList->hwLayers[idx].blending = HWC_BLENDING_PREMULT;
     mList->hwLayers[idx].compositionType = HWC_FRAMEBUFFER_TARGET;
     mList->hwLayers[idx].sourceCrop = r;
     mList->hwLayers[idx].displayFrame = r;
     mList->hwLayers[idx].visibleRegionScreen.numRects = 1;
     mList->hwLayers[idx].visibleRegionScreen.rects = &mList->hwLayers[idx].sourceCrop;
-    mList->hwLayers[idx].acquireFenceFd = -1;
+    mList->hwLayers[idx].acquireFenceFd = fence;
     mList->hwLayers[idx].releaseFenceFd = -1;
     mList->hwLayers[idx].planeAlpha = 0xFF;
-    mList->numHwLayers++;
 
     mHwc->prepare(mHwc, HWC_NUM_DISPLAY_TYPES, displays);
+}
 
-    for (int j = 0; j < idx; j++) {
-        if (mList->hwLayers[j].compositionType == HWC_FRAMEBUFFER) {
-            LOGD("GPU or Partial MDP Composition");
-            return false;
-        }
-    }
+bool
+HwcComposer2D::Commit()
+{
+    hwc_display_contents_1_t *displays[HWC_NUM_DISPLAY_TYPES] = { nullptr };
+    displays[HWC_DISPLAY_PRIMARY] = mList;
 
-    // Full MDP Composition
-    mHwc->set(mHwc, HWC_NUM_DISPLAY_TYPES, displays);
+    int err = mHwc->set(mHwc, HWC_NUM_DISPLAY_TYPES, displays);
 
     for (int i = 0; i <= MAX_HWC_LAYERS; i++) {
         if (mPrevRelFd[i] <= 0) {
@@ -504,18 +573,15 @@ HwcComposer2D::TryHwComposition()
     }
 
     mPrevRelFd[0] = mList->retireFenceFd;
-    for (uint32_t j = 0; j < idx; j++) {
+    for (uint32_t j = 0; j < (mList->numHwLayers - 1); j++) {
         if (mList->hwLayers[j].compositionType == HWC_OVERLAY) {
             mPrevRelFd[j + 1] = mList->hwLayers[j].releaseFenceFd;
             mList->hwLayers[j].releaseFenceFd = -1;
         }
     }
 
-    close(mList->hwLayers[idx].releaseFenceFd);
-    mList->hwLayers[idx].releaseFenceFd = -1;
     mList->retireFenceFd = -1;
-    mList->numHwLayers = 0;
-    return true;
+    return !err;
 }
 #else
 bool
@@ -523,6 +589,12 @@ HwcComposer2D::TryHwComposition()
 {
     return !mHwc->set(mHwc, mDpy, mSur, mList);
 }
+
+bool
+HwcComposer2D::Render(EGLDisplay dpy, EGLSurface sur)
+{
+    return GetGonkDisplay()->SwapBuffers(dpy, sur);
+}
 #endif
 
 bool
@@ -549,13 +621,13 @@ HwcComposer2D::TryRender(Layer* aRoot,
                           aGLWorldTransform))
     {
         LOGD("Render aborted. Nothing was drawn to the screen");
+        mList->numHwLayers = 0;
         return false;
     }
 
     if (!TryHwComposition()) {
-      // Full MDP Composition
-      LOGE("H/W Composition failed");
-      return false;
+        LOGD("H/W Composition failed");
+        return false;
     }
 
     LOGD("Frame rendered");

widget/gonk/HwcComposer2D.h

@@ -62,7 +62,11 @@ public:
     // by this composer so nothing was rendered at all
     bool TryRender(layers::Layer* aRoot, const gfxMatrix& aGLWorldTransform) MOZ_OVERRIDE;
 
+    bool Render(EGLDisplay dpy, EGLSurface sur);
+
 private:
+    void Prepare(buffer_handle_t fbHandle, int fence);
+    bool Commit();
     bool TryHwComposition();
     bool ReallocLayerList();
     bool PrepareLayerList(layers::Layer* aContainer, const nsIntRect& aClip,

widget/gonk/libdisplay/GonkDisplay.h

@@ -43,6 +43,10 @@ public:
 
     virtual bool QueueBuffer(ANativeWindowBuffer* buf) = 0;
 
+    virtual void UpdateFBSurface(EGLDisplay dpy, EGLSurface sur) = 0;
+
+    virtual void SetFBReleaseFd(int fd) = 0;
+
     float xdpi;
     uint32_t surfaceformat;
 };

widget/gonk/libdisplay/GonkDisplayICS.cpp

@@ -196,6 +196,17 @@ GonkDisplayICS::QueueBuffer(ANativeWindowBuffer *buf)
     return !window->queueBuffer(window, buf);
 }
 
+void
+GonkDisplayICS::UpdateFBSurface(EGLDisplay dpy, EGLSurface sur)
+{
+    eglSwapBuffers(dpy, sur);
+}
+
+void
+GonkDisplayICS::SetFBReleaseFd(int fd)
+{
+}
+
 __attribute__ ((visibility ("default")))
 GonkDisplay*
 GetGonkDisplay()

widget/gonk/libdisplay/GonkDisplayICS.h

@@ -46,6 +46,10 @@ public:
 
     virtual bool QueueBuffer(ANativeWindowBuffer* handle);
 
+    virtual void UpdateFBSurface(EGLDisplay dpy, EGLSurface sur);
+
+    virtual void SetFBReleaseFd(int fd);
+
 private:
     hw_module_t const*        mModule;
     hwc_composer_device_t*    mHwc;

widget/gonk/libdisplay/GonkDisplayJB.cpp

@@ -272,6 +272,20 @@ GonkDisplayJB::QueueBuffer(ANativeWindowBuffer* buf)
     return success;
 }
 
+void
+GonkDisplayJB::UpdateFBSurface(EGLDisplay dpy, EGLSurface sur)
+{
+    StopBootAnimation();
+    mBootAnimBuffer = nullptr;
+    eglSwapBuffers(dpy, sur);
+}
+
+void
+GonkDisplayJB::SetFBReleaseFd(int fd)
+{
+    mFBSurface->setReleaseFenceFd(fd);
+}
+
 __attribute__ ((visibility ("default")))
 GonkDisplay*
 GetGonkDisplay()

widget/gonk/libdisplay/GonkDisplayJB.h

@@ -45,6 +45,10 @@ public:
 
     virtual bool QueueBuffer(ANativeWindowBuffer* buf);
 
+    virtual void UpdateFBSurface(EGLDisplay dpy, EGLSurface sur);
+
+    virtual void SetFBReleaseFd(int fd);
+
     bool Post(buffer_handle_t buf, int fence);
 
 private: