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

content/public/browser/render_frame_host.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_PUBLIC_BROWSER_RENDER_FRAME_HOST_H_
 #define CONTENT_PUBLIC_BROWSER_RENDER_FRAME_HOST_H_
 
 #include <string>
 
 #include "base/callback_forward.h"
@@ skipping 55 matching lines @@
   // Returns the associated widget's native view.
   virtual gfx::NativeView GetNativeView() = 0;
 
   // Runs some JavaScript in this frame's context. If a callback is provided, it
   // will be used to return the result, when the result is available.
   typedef base::Callback<void(const base::Value*)> JavaScriptResultCallback;
   virtual void ExecuteJavaScript(const base::string16& javascript) = 0;
   virtual void ExecuteJavaScript(const base::string16& javascript,
                                  const JavaScriptResultCallback& callback) = 0;
 
+  // ONLY FOR TESTS: Same as above but adds a fake UserGestureIndicator around
+  // execution. (crbug.com/408426)
+  virtual void ExecuteJavaScriptForTests(const base::string16& javascript) = 0;
+
   // Accessibility actions.
   virtual void AccessibilitySetFocus(int acc_obj_id) = 0;
   virtual void AccessibilityDoDefaultAction(int acc_obj_id) = 0;
   virtual void AccessibilityScrollToMakeVisible(
       int acc_obj_id, const gfx::Rect& subfocus) = 0;
   virtual void AccessibilitySetTextSelection(
       int acc_obj_id, int start_offset, int end_offset) = 0;
 
   // Temporary until we get rid of RenderViewHost.
   virtual RenderViewHost* GetRenderViewHost() = 0;
 
   // Returns the ServiceRegistry for this frame.
   virtual ServiceRegistry* GetServiceRegistry() = 0;
 
  private:
   // This interface should only be implemented inside content.
   friend class RenderFrameHostImpl;
   RenderFrameHost() {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_RENDER_FRAME_HOST_H_