Extract minimal RenderViewHost interface for embedders, leaving

content/browser/tab_contents/interstitial_page_impl.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_BROWSER_TAB_CONTENTS_INTERSTITIAL_PAGE_IMPL_H_
 #define CONTENT_BROWSER_TAB_CONTENTS_INTERSTITIAL_PAGE_IMPL_H_
 #pragma once
 
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/process_util.h"
 #include "content/public/browser/interstitial_page.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "content/public/browser/render_view_host_delegate.h"
 #include "content/public/common/renderer_preferences.h"
 #include "googleurl/src/gurl.h"
 
+class RenderViewHostImpl;
 class TabContents;
 
 namespace content {
 class NavigationEntry;
 class WebContentsView;
 }
 
 enum ResourceRequestAction {
   BLOCK,
   RESUME,
@@ skipping 123 matching lines @@
   // The default is false.
   bool reload_on_dont_proceed_;
 
   // Whether this interstitial is enabled.  See Disable() for more info.
   bool enabled_;
 
   // Whether the Proceed or DontProceed methods have been called yet.
   ActionState action_taken_;
 
   // The RenderViewHost displaying the interstitial contents.
-  RenderViewHost* render_view_host_;
+  RenderViewHostImpl* render_view_host_;
 
   // The IDs for the Render[View|Process]Host hidden by this interstitial.
   int original_child_id_;
   int original_rvh_id_;
 
   // Whether or not we should change the title of the tab when hidden (to revert
   // it to its original value).
   bool should_revert_tab_title_;
 
   // Whether or not the tab was loading resources when the interstitial was
@@ skipping 15 matching lines @@
   mutable content::RendererPreferences renderer_preferences_;
 
   bool create_view_;
 
   scoped_ptr<content::InterstitialPageDelegate> delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(InterstitialPageImpl);
 };
 
 #endif  // CONTENT_BROWSER_TAB_CONTENTS_INTERSTITIAL_PAGE_IMPL_H_