DevTools: introduce persistence/ module

third_party/WebKit/Source/devtools/front_end/sources/SourcesView.js

Index: third_party/WebKit/Source/devtools/front_end/sources/SourcesView.js
diff --git a/third_party/WebKit/Source/devtools/front_end/sources/SourcesView.js b/third_party/WebKit/Source/devtools/front_end/sources/SourcesView.js
index 21ee1c4e428476da7854038d60fb4c298a4f892d..e43f951020befc6e56afef9e54c20d9062f0fbf0 100644
--- a/third_party/WebKit/Source/devtools/front_end/sources/SourcesView.js
+++ b/third_party/WebKit/Source/devtools/front_end/sources/SourcesView.js
@@ -57,11 +57,19 @@ WebInspector.SourcesView = function()
     workspace.addEventListener(WebInspector.Workspace.Events.UISourceCodeRemoved, this._uiSourceCodeRemoved, this);
     workspace.addEventListener(WebInspector.Workspace.Events.ProjectRemoved, this._projectRemoved.bind(this), this);
 
+    /**
+     * @param {!Event} event
+     */
     function handleBeforeUnload(event)
     {
         if (event.returnValue)
             return;
-        var unsavedSourceCodes = WebInspector.workspace.unsavedSourceCodes();
+
+        var unsavedSourceCodes = [];
+        var projects = WebInspector.workspace.projectsForType(WebInspector.projectTypes.FileSystem);
+        for (var i = 0; i < projects.length; ++i)
+            unsavedSourceCodes = unsavedSourceCodes.concat(projects[i].uiSourceCodes().filter(isUnsaved));
+
         if (!unsavedSourceCodes.length)
             return;
 
@@ -69,7 +77,20 @@ WebInspector.SourcesView = function()
         WebInspector.inspectorView.setCurrentPanel(WebInspector.SourcesPanel.instance());
         for (var i = 0; i < unsavedSourceCodes.length; ++i)
             WebInspector.Revealer.reveal(unsavedSourceCodes[i]);
+
+        /**
+         * @param {!WebInspector.UISourceCode} sourceCode
+         * @return {boolean}
+         */
+        function isUnsaved(sourceCode)
+        {
+            var binding = WebInspector.persistence.binding(sourceCode);
+            if (binding)
+                return binding.network.isDirty();
+            return sourceCode.isDirty();
+        }
     }
+
     if (!window.opener)
         window.addEventListener("beforeunload", handleBeforeUnload, true);