Make RenderFrameHostManager swap RenderFrameHosts, not RenderViewHosts.

content/test/test_render_view_host_factory.h

 // Copyright (c) 2012 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_VIEW_HOST_FACTORY_H_
 #define CONTENT_TEST_TEST_RENDER_VIEW_HOST_FACTORY_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "content/browser/renderer_host/render_view_host_factory.h"
@@ skipping 12 matching lines @@
 class TestRenderViewHostFactory : public RenderViewHostFactory {
  public:
   explicit TestRenderViewHostFactory(RenderProcessHostFactory* rph_factory);
   virtual ~TestRenderViewHostFactory();
 
   virtual void set_render_process_host_factory(
       RenderProcessHostFactory* rph_factory);
   virtual RenderViewHost* CreateRenderViewHost(
       SiteInstance* instance,
       RenderViewHostDelegate* delegate,
-      RenderFrameHostDelegate* frame_delegate,
       RenderWidgetHostDelegate* widget_delegate,
       int routing_id,
       int main_frame_routing_id,
       bool swapped_out) OVERRIDE;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(TestRenderViewHostFactory);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_TEST_TEST_RENDER_VIEW_HOST_FACTORY_H_