diff --git a/browser/devtools/highlighter/inspector.jsm b/browser/devtools/highlighter/inspector.jsm
index 4498e60a458..361fd38621e 100644
--- a/browser/devtools/highlighter/inspector.jsm
+++ b/browser/devtools/highlighter/inspector.jsm
@@ -1011,6 +1011,9 @@ InspectorUI.prototype = {
    *   1. Open the link in view source (for element style attributes)
    *   2. Open the link in the style editor
    *
+   *   Like the style editor, we only view stylesheets contained in
+   *   document.styleSheets.
+   *
    * @param aEvent The event containing the style rule to act on
    */
   ruleViewCSSLinkClicked: function(aEvent)
@@ -1021,12 +1024,29 @@ InspectorUI.prototype = {
 
     let rule = aEvent.detail.rule;
     let styleSheet = rule.sheet;
+    let doc = this.chromeWin.content.document;
+    let styleSheets = doc.styleSheets;
+    let contentSheet = false;
+    let line = rule.ruleLine || 0;
 
-    if (styleSheet) {
-      this.chromeWin.StyleEditor.openChrome(styleSheet, rule.ruleLine);
+    // Array.prototype.indexOf always returns -1 here so we loop through
+    // the styleSheets object instead.
+    for each (let sheet in styleSheets) {
+      if (sheet == styleSheet) {
+        contentSheet = true;
+        break;
+      }
+    }
+
+    if (contentSheet)  {
+      this.chromeWin.StyleEditor.openChrome(styleSheet, line);
     } else {
-      let href = rule.elementStyle.element.ownerDocument.location.href;
-      this.chromeWin.openUILinkIn("view-source:" + href, "window");
+      let href = styleSheet ? styleSheet.href : "";
+      if (rule.elementStyle.element) {
+        href = rule.elementStyle.element.ownerDocument.location.href;
+      }
+      let viewSourceUtils = this.chromeWin.gViewSourceUtils;
+      viewSourceUtils.viewSource(href, null, doc, line);
     }
   },
 
diff --git a/browser/devtools/styleinspector/CssHtmlTree.jsm b/browser/devtools/styleinspector/CssHtmlTree.jsm
index 73db08312ae..4b31af15ed1 100644
--- a/browser/devtools/styleinspector/CssHtmlTree.jsm
+++ b/browser/devtools/styleinspector/CssHtmlTree.jsm
@@ -1211,18 +1211,45 @@ SelectorView.prototype = {
    *   1. Open the link in view source (for element style attributes).
    *   2. Open the link in the style editor.
    *
+   *   Like the style editor, we only view stylesheets contained in
+   *   document.styleSheets inside the style editor.
+   *
    * @param aEvent The click event
    */
   openStyleEditor: function(aEvent)
   {
-    if (this.selectorInfo.selector._cssRule._cssSheet) {
-      let styleSheet = this.selectorInfo.selector._cssRule._cssSheet.domSheet;
-      let line = this.selectorInfo.ruleLine;
+    let rule = this.selectorInfo.selector._cssRule;
+    let doc = this.tree.win.content.document;
+    let line = this.selectorInfo.ruleLine || 0;
+    let cssSheet = rule._cssSheet;
+    let contentSheet = false;
+    let styleSheet;
+    let styleSheets;
 
+    if (cssSheet) {
+      styleSheet = cssSheet.domSheet;
+      styleSheets = doc.styleSheets;
+
+      // Array.prototype.indexOf always returns -1 here so we loop through
+      // the styleSheets array instead.
+      for each (let sheet in styleSheets) {
+        if (sheet == styleSheet) {
+          contentSheet = true;
+          break;
+        }
+      }
+    }
+
+    if (contentSheet) {
       this.tree.win.StyleEditor.openChrome(styleSheet, line);
     } else {
-      let href = this.selectorInfo.sourceElement.ownerDocument.location.href;
-      this.tree.win.openUILinkIn("view-source:" + href, "window");
+      let href = styleSheet ? styleSheet.href : "";
+      let viewSourceUtils = this.tree.win.gViewSourceUtils;
+
+      if (this.selectorInfo.sourceElement) {
+        href = this.selectorInfo.sourceElement.ownerDocument.location.href;
+      }
+      viewSourceUtils.viewSource(href, null, doc, line);
     }
   },
 };
diff --git a/browser/devtools/styleinspector/test/Makefile.in b/browser/devtools/styleinspector/test/Makefile.in
index b4cae20ef6a..b5b7253b0d5 100644
--- a/browser/devtools/styleinspector/test/Makefile.in
+++ b/browser/devtools/styleinspector/test/Makefile.in
@@ -67,6 +67,8 @@ _BROWSER_TEST_FILES = \
   browser_bug_592743_specificity.js \
   browser_ruleview_bug_703643_context_menu_copy.js \
   browser_computedview_bug_703643_context_menu_copy.js \
+  browser_ruleview_734259_style_editor_link.js \
+  browser_computedview_734259_style_editor_link.js \
   head.js \
   $(NULL)
 
diff --git a/browser/devtools/styleinspector/test/browser_computedview_734259_style_editor_link.js b/browser/devtools/styleinspector/test/browser_computedview_734259_style_editor_link.js
new file mode 100644
index 00000000000..a35c4ffc469
--- /dev/null
+++ b/browser/devtools/styleinspector/test/browser_computedview_734259_style_editor_link.js
@@ -0,0 +1,161 @@
+/* vim: set ft=javascript ts=2 et sw=2 tw=80: */
+/* Any copyright is dedicated to the Public Domain.
+ http://creativecommons.org/publicdomain/zero/1.0/ */
+
+let doc;
+let win;
+let stylePanel;
+
+function createDocument()
+{
+  doc.body.innerHTML = '<style type="text/css"> ' +
+    'html { color: #000000; } ' +
+    'span { font-variant: small-caps; color: #000000; } ' +
+    '.nomatches {color: #ff0000;}</style> <div id="first" style="margin: 10em; ' +
+    'font-size: 14pt; font-family: helvetica, sans-serif; color: #AAA">\n' +
+    '<h1>Some header text</h1>\n' +
+    '<p id="salutation" style="font-size: 12pt">hi.</p>\n' +
+    '<p id="body" style="font-size: 12pt">I am a test-case. This text exists ' +
+    'solely to provide some things to <span style="color: yellow">' +
+    'highlight</span> and <span style="font-weight: bold">count</span> ' +
+    'style list-items in the box at right. If you are reading this, ' +
+    'you should go do something else instead. Maybe read a book. Or better ' +
+    'yet, write some test-cases for another bit of code. ' +
+    '<span style="font-style: italic">some text</span></p>\n' +
+    '<p id="closing">more text</p>\n' +
+    '<p>even more text</p>' +
+    '</div>';
+  doc.title = "Rule view style editor link test";
+
+  let span = doc.querySelector("span");
+  ok(span, "captain, we have the span");
+
+  stylePanel = new StyleInspector(window);
+  Services.obs.addObserver(testInlineStyle, "StyleInspector-populated", false);
+  stylePanel.createPanel(false, function() {
+    stylePanel.open(span);
+  });
+}
+
+function testInlineStyle()
+{
+  Services.obs.removeObserver(testInlineStyle, "StyleInspector-populated", false);
+
+  ok(stylePanel.isOpen(), "style inspector is open");
+
+  info("expanding property");
+  expandProperty(0, function propertyExpanded() {
+    Services.ww.registerNotification(function onWindow(aSubject, aTopic) {
+      if (aTopic != "domwindowopened") {
+        return;
+      }
+      info("window opened");
+      win = aSubject.QueryInterface(Ci.nsIDOMWindow);
+      win.addEventListener("load", function windowLoad() {
+        win.removeEventListener("load", windowLoad);
+        info("window load completed");
+        let windowType = win.document.documentElement.getAttribute("windowtype");
+        is(windowType, "navigator:view-source", "view source window is open");
+        info("closing window");
+        win.close();
+        Services.ww.unregisterNotification(onWindow);
+        testInlineStyleSheet();
+      });
+    });
+    let link = getLinkByIndex(0);
+    link.click();
+  });
+}
+
+function testInlineStyleSheet()
+{
+  info("clicking an inline stylesheet");
+
+  Services.ww.registerNotification(function onWindow(aSubject, aTopic) {
+    if (aTopic != "domwindowopened") {
+      return;
+    }
+    info("window opened");
+    win = aSubject.QueryInterface(Ci.nsIDOMWindow);
+    win.addEventListener("load", function windowLoad() {
+      win.removeEventListener("load", windowLoad);
+      info("window load completed");
+      let windowType = win.document.documentElement.getAttribute("windowtype");
+      is(windowType, "Tools:StyleEditor", "style editor window is open");
+
+      win.styleEditorChrome.addChromeListener({
+        onEditorAdded: function checkEditor(aChrome, aEditor) {
+          if (!aEditor.sourceEditor) {
+            aEditor.addActionListener({
+              onAttach: function (aEditor) {
+                aEditor.removeActionListener(this);
+                validateStyleEditorSheet(aEditor);
+              }
+            });
+          } else {
+            validateStyleEditorSheet(aEditor);
+          }
+        }
+      });
+      Services.ww.unregisterNotification(onWindow);
+    });
+  });
+  let link = getLinkByIndex(1);
+  link.click();
+}
+
+function validateStyleEditorSheet(aEditor)
+{
+  info("validating style editor stylesheet");
+
+  let sheet = doc.styleSheets[0];
+  is(aEditor.styleSheet, sheet, "loaded stylesheet matches document stylesheet");
+  info("closing window");
+  win.close();
+
+  Services.obs.addObserver(finishUp, "StyleInspector-closed", false);
+  stylePanel.close();
+}
+
+function expandProperty(aIndex, aCallback)
+{
+  let iframe = stylePanel.iframe;
+  let contentDoc = iframe.contentDocument;
+  let contentWindow = iframe.contentWindow;
+  let expando = contentDoc.querySelectorAll(".expandable")[aIndex];
+  expando.click();
+
+  // We use executeSoon to give the property time to expand.
+  executeSoon(aCallback);
+}
+
+function getLinkByIndex(aIndex)
+{
+  let contentDoc = stylePanel.iframe.contentDocument;
+  let links = contentDoc.querySelectorAll(".rule-link .link");
+  return links[aIndex];
+}
+
+function finishUp()
+{
+  Services.obs.removeObserver(finishUp, "StyleInspector-closed", false);
+  ok(!stylePanel.isOpen(), "style inspector is closed");
+  doc = win = stylePanel = null;
+  gBrowser.removeCurrentTab();
+  finish();
+}
+
+function test()
+{
+  waitForExplicitFinish();
+
+  gBrowser.selectedTab = gBrowser.addTab();
+  gBrowser.selectedBrowser.addEventListener("load", function(evt) {
+    gBrowser.selectedBrowser.removeEventListener(evt.type, arguments.callee,
+      true);
+    doc = content.document;
+    waitForFocus(createDocument, content);
+  }, true);
+
+  content.location = "data:text/html,<p>Computed view style editor link test</p>";
+}
diff --git a/browser/devtools/styleinspector/test/browser_ruleview_734259_style_editor_link.js b/browser/devtools/styleinspector/test/browser_ruleview_734259_style_editor_link.js
new file mode 100644
index 00000000000..9ca43c8202b
--- /dev/null
+++ b/browser/devtools/styleinspector/test/browser_ruleview_734259_style_editor_link.js
@@ -0,0 +1,181 @@
+/* vim: set ft=javascript ts=2 et sw=2 tw=80: */
+/* Any copyright is dedicated to the Public Domain.
+ http://creativecommons.org/publicdomain/zero/1.0/ */
+
+let win;
+let doc;
+let contentWindow;
+
+let tempScope = {};
+Cu.import("resource:///modules/Services.jsm", tempScope);
+let Services = tempScope.Services;
+
+function createDocument()
+{
+  doc.body.innerHTML = '<style type="text/css"> ' +
+    'html { color: #000000; } ' +
+    'span { font-variant: small-caps; color: #000000; } ' +
+    '.nomatches {color: #ff0000;}</style> <div id="first" style="margin: 10em; ' +
+    'font-size: 14pt; font-family: helvetica, sans-serif; color: #AAA">\n' +
+    '<h1>Some header text</h1>\n' +
+    '<p id="salutation" style="font-size: 12pt">hi.</p>\n' +
+    '<p id="body" style="font-size: 12pt">I am a test-case. This text exists ' +
+    'solely to provide some things to <span style="color: yellow">' +
+    'highlight</span> and <span style="font-weight: bold">count</span> ' +
+    'style list-items in the box at right. If you are reading this, ' +
+    'you should go do something else instead. Maybe read a book. Or better ' +
+    'yet, write some test-cases for another bit of code. ' +
+    '<span style="font-style: italic">some text</span></p>\n' +
+    '<p id="closing">more text</p>\n' +
+    '<p>even more text</p>' +
+    '</div>';
+  doc.title = "Rule view style editor link test";
+
+  openInspector();
+}
+
+function openInspector()
+{
+  ok(window.InspectorUI, "InspectorUI variable exists");
+  ok(!InspectorUI.inspecting, "Inspector is not highlighting");
+  ok(InspectorUI.store.isEmpty(), "Inspector.store is empty");
+
+  Services.obs.addObserver(inspectorUIOpen,
+    InspectorUI.INSPECTOR_NOTIFICATIONS.OPENED, false);
+  InspectorUI.openInspectorUI();
+}
+
+function inspectorUIOpen()
+{
+  Services.obs.removeObserver(inspectorUIOpen,
+    InspectorUI.INSPECTOR_NOTIFICATIONS.OPENED, false);
+
+  // Make sure the inspector is open.
+  ok(InspectorUI.inspecting, "Inspector is highlighting");
+  ok(!InspectorUI.treePanel.isOpen(), "Inspector Tree Panel is not open");
+  ok(!InspectorUI.isSidebarOpen, "Inspector Sidebar is not open");
+  ok(!InspectorUI.store.isEmpty(), "InspectorUI.store is not empty");
+  is(InspectorUI.store.length, 1, "Inspector.store.length = 1");
+
+  // Highlight a node.
+  let div = content.document.getElementsByTagName("div")[0];
+  InspectorUI.inspectNode(div);
+  InspectorUI.stopInspecting();
+  is(InspectorUI.selection, div, "selection matches the div element");
+
+  Services.obs.addObserver(testInlineStyle,
+    InspectorUI.INSPECTOR_NOTIFICATIONS.RULEVIEWREADY, false);
+
+  InspectorUI.showSidebar();
+  InspectorUI.openRuleView();
+}
+
+function testInlineStyle()
+{
+  Services.obs.removeObserver(testInlineStyle,
+    InspectorUI.INSPECTOR_NOTIFICATIONS.RULEVIEWREADY, false);
+
+  executeSoon(function() {
+    info("clicking an inline style");
+
+    Services.ww.registerNotification(function onWindow(aSubject, aTopic) {
+      if (aTopic != "domwindowopened") {
+        return;
+      }
+
+      win = aSubject.QueryInterface(Ci.nsIDOMWindow);
+      win.addEventListener("load", function windowLoad() {
+        win.removeEventListener("load", windowLoad);
+        let windowType = win.document.documentElement.getAttribute("windowtype");
+        is(windowType, "navigator:view-source", "view source window is open");
+        win.close();
+        Services.ww.unregisterNotification(onWindow);
+        testInlineStyleSheet();
+      });
+    });
+    EventUtils.synthesizeMouseAtCenter(getLinkByIndex(0), { }, contentWindow);
+  });
+}
+
+function testInlineStyleSheet()
+{
+  info("clicking an inline stylesheet");
+
+  Services.ww.registerNotification(function onWindow(aSubject, aTopic) {
+    if (aTopic != "domwindowopened") {
+      return;
+    }
+
+    win = aSubject.QueryInterface(Ci.nsIDOMWindow);
+    win.addEventListener("load", function windowLoad() {
+      win.removeEventListener("load", windowLoad);
+
+      let windowType = win.document.documentElement.getAttribute("windowtype");
+      is(windowType, "Tools:StyleEditor", "style editor window is open");
+
+      win.styleEditorChrome.addChromeListener({
+        onEditorAdded: function checkEditor(aChrome, aEditor) {
+          if (!aEditor.sourceEditor) {
+            aEditor.addActionListener({
+              onAttach: function (aEditor) {
+                aEditor.removeActionListener(this);
+                validateStyleEditorSheet(aEditor);
+              }
+            });
+          } else {
+            validateStyleEditorSheet(aEditor);
+          }
+        }
+      });
+
+      Services.ww.unregisterNotification(onWindow);
+    });
+  });
+
+  EventUtils.synthesizeMouse(getLinkByIndex(1), 5, 5, { }, contentWindow);
+}
+
+function validateStyleEditorSheet(aEditor)
+{
+  info("validating style editor stylesheet");
+
+  let sheet = doc.styleSheets[0];
+
+  is(aEditor.styleSheet, sheet, "loaded stylesheet matches document stylesheet");
+  win.close();
+
+  finishup();
+}
+
+function getLinkByIndex(aIndex)
+{
+  let ruleView = document.querySelector("#devtools-sidebar-iframe-ruleview");
+  let contentDoc = ruleView.contentDocument;
+  let links = contentDoc.querySelectorAll(".ruleview-rule-source");
+  contentWindow = ruleView.contentWindow;
+  return links[aIndex];
+}
+
+function finishup()
+{
+  InspectorUI.hideSidebar();
+  InspectorUI.closeInspectorUI();
+  gBrowser.removeCurrentTab();
+  doc = contentWindow = win = null;
+  finish();
+}
+
+function test()
+{
+  waitForExplicitFinish();
+
+  gBrowser.selectedTab = gBrowser.addTab();
+  gBrowser.selectedBrowser.addEventListener("load", function(evt) {
+    gBrowser.selectedBrowser.removeEventListener(evt.type, arguments.callee,
+      true);
+    doc = content.document;
+    waitForFocus(createDocument, content);
+  }, true);
+
+  content.location = "data:text/html,<p>Rule view style editor link test</p>";
+}
diff --git a/browser/devtools/styleinspector/test/browser_ruleview_bug_703643_context_menu_copy.js b/browser/devtools/styleinspector/test/browser_ruleview_bug_703643_context_menu_copy.js
index 25e37ffe8bf..9dd38b895bb 100644
--- a/browser/devtools/styleinspector/test/browser_ruleview_bug_703643_context_menu_copy.js
+++ b/browser/devtools/styleinspector/test/browser_ruleview_bug_703643_context_menu_copy.js
@@ -187,6 +187,7 @@ function checkClipboardData(aExpectedPattern)
 
 function finishup()
 {
+  InspectorUI.hideSidebar();
   InspectorUI.closeInspectorUI();
   gBrowser.removeCurrentTab();
   doc = null;
diff --git a/browser/devtools/styleinspector/test/browser_ruleview_focus.js b/browser/devtools/styleinspector/test/browser_ruleview_focus.js
index 3500a586013..29f051207a5 100644
--- a/browser/devtools/styleinspector/test/browser_ruleview_focus.js
+++ b/browser/devtools/styleinspector/test/browser_ruleview_focus.js
@@ -77,7 +77,7 @@ function testFocus()
       // If not, we'll wait here until we time out.
       waitForEditorFocus(brace.parentNode, function onNewEditor(aEditor) {
         aEditor.input.blur();
-        finishTest();
+        finishUp();
       });
       EventUtils.sendKey("return");
     });
@@ -89,6 +89,8 @@ function testFocus()
 
 function finishUp()
 {
+  InspectorUI.hideSidebar();
+  InspectorUI.closeInspectorUI();
   doc = stylePanel = null;
   gBrowser.removeCurrentTab();
   finish();