DevTools: Implement extensions-based shortcut bindings

Source/devtools/front_end/SourcesPanel.js

 /*
  * Copyright (C) 2008 Apple Inc. All Rights Reserved.
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 1837 matching lines @@
 {
 }
 
 WebInspector.SourcesPanel.EditorAction.prototype = {
     /**
      * @param {!WebInspector.SourcesPanel} panel
      * @return {!Element}
      */
     button: function(panel) { }
 }
+
+/**
+ * @constructor
+ * @implements {WebInspector.ActionDelegate}
+ */
+WebInspector.SourcesPanel.ShowGoToSourceDialogActionDelegate = function() {}
+
+WebInspector.SourcesPanel.ShowGoToSourceDialogActionDelegate.prototype = {
+    /**
+     * @param {!KeyboardEvent=} event
+     * @return {boolean}
+     */
+    handleAction: function(event)
+    {
+        /** @type {!WebInspector.SourcesPanel} */ (WebInspector.showPanel("sources")).showGoToSourceDialog();
+        return true;
+    }
+}