Bring RFH/RVH unit tests closer to reality of how RF/RV are initialized

content/test/test_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_TEST_TEST_RENDER_FRAME_HOST_H_
 #define CONTENT_TEST_TEST_RENDER_FRAME_HOST_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 33 matching lines @@
                       FrameTreeNode* frame_tree_node,
                       int routing_id,
                       int flags);
   ~TestRenderFrameHost() override;
 
   // RenderFrameHostImpl overrides (same values, but in Test*/Mock* types)
   TestRenderViewHost* GetRenderViewHost() override;
   MockRenderProcessHost* GetProcess() override;
 
   // RenderFrameHostTester implementation.
+  void InitializeRenderFrameIfNeeded() override;
   TestRenderFrameHost* AppendChild(const std::string& frame_name) override;
   void SendNavigate(int page_id,
                     int nav_entry_id,
                     bool did_create_new_entry,
                     const GURL& url) override;
   void SendFailedNavigate(int page_id,
                           int nav_entry_id,
                           bool did_create_new_entry,
                           const GURL& url) override;
   void SendNavigateWithTransition(int page_id,
@@ skipping 83 matching lines @@
 
   // See set_simulate_history_list_was_cleared() above.
   bool simulate_history_list_was_cleared_;
 
   DISALLOW_COPY_AND_ASSIGN(TestRenderFrameHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_TEST_TEST_RENDER_FRAME_HOST_H_