Get rid of a bunch of view_messages.h includes from chrome by making the TabContentsObserver inte...

chrome/browser/prerender/prerender_contents.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_BROWSER_PRERENDER_PRERENDER_CONTENTS_H_
 #define CHROME_BROWSER_PRERENDER_PRERENDER_CONTENTS_H_
 #pragma once
 
 #include <list>
 #include <string>
 #include <vector>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/time.h"
 #include "base/values.h"
 #include "chrome/browser/prerender/prerender_final_status.h"
 #include "content/browser/tab_contents/tab_contents_observer.h"
 #include "content/public/browser/notification_registrar.h"
 
 class Profile;
 class RenderViewHost;
 class RenderViewHostDelegate;
 class SessionStorageNamespace;
 class TabContents;
 class TabContentsWrapper;
 struct FaviconURL;
-struct ViewHostMsg_FrameNavigate_Params;
 
 namespace base {
 class ProcessMetrics;
 }
 
 namespace prerender {
 
 class PrerenderManager;
 class PrerenderRenderViewHostObserver;
 class PrerenderTracker;
@@ skipping 49 matching lines @@
   virtual void StartPrerendering(
       const RenderViewHost* source_render_view_host,
       SessionStorageNamespace* session_storage_namespace);
 
   // Verifies that the prerendering is not using too many resources, and kills
   // it if not.
   void DestroyWhenUsingTooManyResources();
 
   RenderViewHost* render_view_host_mutable();
   const RenderViewHost* render_view_host() const;
-
-  ViewHostMsg_FrameNavigate_Params* navigate_params() {
-    return navigate_params_.get();
-  }
   string16 title() const { return title_; }
   int32 page_id() const { return page_id_; }
   GURL icon_url() const { return icon_url_; }
   const GURL& prerender_url() const { return prerender_url_; }
   const GURL& referrer() const { return referrer_; }
   bool has_stopped_loading() const { return has_stopped_loading_; }
   bool prerendering_has_started() const { return prerendering_has_started_; }
 
   // Sets the parameter to the value of the associated RenderViewHost's child id
   // and returns a boolean indicating the validity of that id.
@@ skipping 125 matching lines @@
 
   // The prerender tracker tracking prerenders.
   PrerenderTracker* prerender_tracker_;
 
   // The URL being prerendered.
   GURL prerender_url_;
 
   // The referrer.
   GURL referrer_;
 
-  // The NavigationParameters of the finished navigation.
-  scoped_ptr<ViewHostMsg_FrameNavigate_Params> navigate_params_;
-
   // The profile being used
   Profile* profile_;
 
   // Information about the title and URL of the page that this class as a
   // RenderViewHostDelegate has received from the RenderView.
   // Used to apply to the new RenderViewHost delegate that might eventually
   // own the contained RenderViewHost when the prerendered page is shown
   // in a TabContents.
   string16 title_;
   int32 page_id_;
@@ skipping 52 matching lines @@
 
   // Offset by which to offset prerendered pages
   static const int32 kPrerenderPageIdOffset = 10;
 
   DISALLOW_COPY_AND_ASSIGN(PrerenderContents);
 };
 
 }  // namespace prerender
 
 #endif  // CHROME_BROWSER_PRERENDER_PRERENDER_CONTENTS_H_