Additional fixes for prerender/instant + browsing history.

chrome/test/base/render_view_test.h

 // Copyright (c) 2011 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 CHROME_TEST_BASE_RENDER_VIEW_TEST_H_
 #define CHROME_TEST_BASE_RENDER_VIEW_TEST_H_
 #pragma once
 
 #include <string>
 
@@ skipping 66 matching lines @@
 
   // Returns the bounds (coordinates and size) of the element with id
   // |element_id|.  Returns an empty rect if such an element was not found.
   gfx::Rect GetElementBounds(const std::string& element_id);
 
   // Sends a left mouse click in the middle of the element with id |element_id|.
   // Returns true if the event was sent, false otherwise (typically because
   // the element was not found).
   bool SimulateElementClick(const std::string& element_id);
 
+  // Clears anything associated with the browsing history.
+  void ClearHistory();
+
   // testing::Test
   virtual void SetUp();
 
   virtual void TearDown();
 
   MessageLoop msg_loop_;
   chrome::ChromeContentRendererClient chrome_content_renderer_client_;
   ExtensionDispatcher* extension_dispatcher_;
   MockRenderThread render_thread_;
   scoped_ptr<MockRenderProcess> mock_process_;
   scoped_refptr<RenderView> view_;
   RendererWebKitClientImplNoSandbox webkitclient_;
   scoped_ptr<MockKeyboard> mock_keyboard_;
 
   // Used to setup the process so renderers can run.
   scoped_ptr<RendererMainPlatformDelegate> platform_;
   scoped_ptr<MainFunctionParams> params_;
   scoped_ptr<CommandLine> command_line_;
   scoped_ptr<SandboxInitWrapper> sandbox_init_wrapper_;
 
   autofill::PasswordAutofillManager* password_autofill_;
   autofill::AutofillAgent* autofill_agent_;
 };
 
 #endif  // CHROME_TEST_BASE_RENDER_VIEW_TEST_H_