Don't take a fake UGI every time we execute Javascript.

content/browser/frame_host/render_frame_host_impl.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_BROWSER_FRAME_HOST_RENDER_FRAME_HOST_IMPL_H_
 #define CONTENT_BROWSER_FRAME_HOST_RENDER_FRAME_HOST_IMPL_H_
 
 #include <map>
 #include <vector>
 
@@ skipping 62 matching lines @@
   virtual RenderFrameHost* GetParent() OVERRIDE;
   virtual const std::string& GetFrameName() OVERRIDE;
   virtual bool IsCrossProcessSubframe() OVERRIDE;
   virtual GURL GetLastCommittedURL() OVERRIDE;
   virtual gfx::NativeView GetNativeView() OVERRIDE;
   virtual void ExecuteJavaScript(
       const base::string16& javascript) OVERRIDE;
   virtual void ExecuteJavaScript(
       const base::string16& javascript,
       const JavaScriptResultCallback& callback) OVERRIDE;
+  virtual void ExecuteJavaScriptForTests(
+      const base::string16& javascript) OVERRIDE;
   virtual RenderViewHost* GetRenderViewHost() OVERRIDE;
   virtual ServiceRegistry* GetServiceRegistry() OVERRIDE;
 
   // IPC::Sender
   virtual bool Send(IPC::Message* msg) OVERRIDE;
 
   // IPC::Listener
   virtual bool OnMessageReceived(const IPC::Message& msg) OVERRIDE;
 
   // BrowserAccessibilityDelegate
@@ skipping 350 matching lines @@
   base::Callback<void(ui::AXEvent, int)> accessibility_testing_callback_;
   // The most recently received accessibility tree - for testing only.
   scoped_ptr<ui::AXTree> ax_tree_for_testing_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderFrameHostImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_FRAME_HOST_RENDER_FRAME_HOST_IMPL_H_