Bug 898472 - Give Browser Debugger window a title. r=vp

browser/devtools/debugger/debugger-panes.js

@@ -685,6 +685,11 @@ SourcesView.prototype = Heritage.extend(WidgetMethods, {
     }
     // The container is not empty and an actual item was selected.
     DebuggerView.setEditorLocation(sourceItem.value);
+
+    // Set window title.
+    let script = sourceItem.value.split(" -> ").pop();
+    document.title = L10N.getFormatStr("DebuggerWindowScriptTitle", script);
+
     this.maybeShowBlackBoxMessage();
   },
 

browser/devtools/debugger/debugger-view.js

@@ -68,6 +68,7 @@ let DebuggerView = {
     this.GlobalSearch.initialize();
     this._initializeVariablesView();
     this._initializeEditor(deferred.resolve);
+    document.title = L10N.getStr("DebuggerWindowTitle");
 
     return deferred.promise;
   },

browser/devtools/debugger/test/browser_dbg_scripts-switching-01.js

@@ -19,6 +19,9 @@ function test() {
     gEditor = gDebugger.DebuggerView.editor;
     gSources = gDebugger.DebuggerView.Sources;
 
+    ok(gDebugger.document.title.endsWith(EXAMPLE_URL + gLabel1),
+      "Title with first source is correct.");
+
     waitForSourceAndCaretAndScopes(gPanel, "-02.js", 6)
       .then(testSourcesDisplay)
       .then(testSwitchPaused1)
@@ -64,6 +67,9 @@ function testSourcesDisplay() {
   is(gEditor.getText().search(/debugger/), 172,
     "The second source is displayed.");
 
+  ok(gDebugger.document.title.endsWith(EXAMPLE_URL + gLabel2),
+    "Title with second source is correct.");
+
   ok(isCaretPos(gPanel, 6),
     "Editor caret location is correct.");
 

browser/locales/en-US/chrome/browser/devtools/debugger.properties

@@ -15,6 +15,14 @@
 # displayed inside the developer tools window and in the Developer Tools Menu.
 ToolboxDebugger.label=Debugger
 
+# LOCALIZATION NOTE (DebuggerWindowTitle):
+# The title displayed for the debugger window.
+DebuggerWindowTitle=Browser Debugger
+
+# LOCALIZATION NOTE (DebuggerWindowScriptTitle):
+# The title displayed for the debugger window when a script is selected.
+DebuggerWindowScriptTitle=Browser Debugger - %S
+
 # LOCALIZATION NOTE (ToolboxDebugger.tooltip):
 # This string is displayed in the tooltip of the tab when the debugger is
 # displayed inside the developer tools window..