Bug 991347 - Hide the displaying of the canvas editor when debugging an addon target. r=vp

browser/devtools/debugger/test/browser_dbg_addon-panels.js

@@ -7,7 +7,12 @@
 const ADDON3_URL = EXAMPLE_URL + "addon3.xpi";
 
 let gAddon, gClient, gThreadClient, gDebugger, gSources;
-
+let PREFS = [
+  "devtools.canvasdebugger.enabled",
+  "devtools.shadereditor.enabled",
+  "devtools.profiler.enabled",
+  "devtools.netmonitor.enabled"
+];
 function test() {
   Task.spawn(function () {
     if (!DebuggerServer.initialized) {
@@ -15,6 +20,13 @@ function test() {
       DebuggerServer.addBrowserActors();
     }
 
+    // Store and enable all optional dev tools panels
+    let originalPrefs = PREFS.map(pref => {
+      let original = Services.prefs.getBoolPref(pref);
+      Services.prefs.setBoolPref(pref, true)
+      return original;
+    });
+
     gBrowser.selectedTab = gBrowser.addTab();
     let iframe = document.createElement("iframe");
     document.documentElement.appendChild(iframe);
@@ -37,6 +49,9 @@ function test() {
     yield closeConnection();
     yield debuggerPanel._toolbox.destroy();
     iframe.remove();
+
+    PREFS.forEach((pref, i) => Services.prefs.setBoolPref(pref, originalPrefs[i]));
+
     finish();
   });
 }

browser/devtools/main.js

@@ -214,7 +214,7 @@ Tools.canvasDebugger = {
   tooltip: l10n("ToolboxCanvasDebugger.tooltip", canvasDebuggerStrings),
 
   isTargetSupported: function(target) {
-    return true;
+    return !target.isAddon;
   },
 
   build: function(iframeWindow, toolbox) {