DevTools: open context menu in the embedder even when no custom items are there.

Source/devtools/front_end/ui/ContextMenu.js

 /*
  * Copyright (C) 2009 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 272 matching lines @@
             this._innerShow();
         }
 
         this._event.consume(true);
     },
 
     _innerShow: function()
     {
         var menuObject = this._buildDescriptor();
 
-        if (menuObject.length) {
-            WebInspector._contextMenu = this;
-            if (WebInspector.ContextMenu._useSoftMenu || InspectorFrontendHost.isHostedMode()) {
-                var softMenu = new WebInspector.SoftContextMenu(menuObject, this._itemSelected.bind(this));
-                softMenu.show(this._event.target.ownerDocument, this._x, this._y);
-            } else {
-                InspectorFrontendHost.showContextMenuAtPoint(this._x, this._y, menuObject);
-                InspectorFrontendHost.events.addEventListener(InspectorFrontendHostAPI.Events.ContextMenuCleared, this._menuCleared, this);
-                InspectorFrontendHost.events.addEventListener(InspectorFrontendHostAPI.Events.ContextMenuItemSelected, this._onItemSelected, this);
-            }
+        WebInspector._contextMenu = this;
+        if (WebInspector.ContextMenu._useSoftMenu || InspectorFrontendHost.isHostedMode()) {
+            var softMenu = new WebInspector.SoftContextMenu(menuObject, this._itemSelected.bind(this));
+            softMenu.show(this._event.target.ownerDocument, this._x, this._y);
+        } else {
+            InspectorFrontendHost.showContextMenuAtPoint(this._x, this._y, menuObject);
+            InspectorFrontendHost.events.addEventListener(InspectorFrontendHostAPI.Events.ContextMenuCleared, this._menuCleared, this);
+            InspectorFrontendHost.events.addEventListener(InspectorFrontendHostAPI.Events.ContextMenuItemSelected, this._onItemSelected, this);
         }
     },
 
     /**
      * @param {number} id
      * @param {function(?)} handler
      */
     _setHandler: function(id, handler)
     {
         if (handler)
@@ skipping 54 matching lines @@
 }
 
 WebInspector.ContextMenu.Provider.prototype = {
     /**
      * @param {!Event} event
      * @param {!WebInspector.ContextMenu} contextMenu
      * @param {!Object} target
      */
     appendApplicableItems: function(event, contextMenu, target) { }
 }