Extract minimal RenderViewHost interface for embedders, leaving

content/browser/host_zoom_map_impl.cc

-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// 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.
 
 #include <cmath>
 
 #include "content/browser/host_zoom_map_impl.h"
 
 #include "base/string_piece.h"
 #include "base/utf_string_conversions.h"
 #include "base/values.h"
@@ skipping 144 matching lines @@
 }
 
 void HostZoomMapImpl::Observe(
     int type,
     const content::NotificationSource& source,
     const content::NotificationDetails& details) {
   switch (type) {
     case content::NOTIFICATION_RENDER_VIEW_HOST_WILL_CLOSE_RENDER_VIEW: {
       base::AutoLock auto_lock(lock_);
       int render_view_id =
-          content::Source<RenderViewHost>(source)->routing_id();
+          content::Source<RenderViewHost>(source)->GetRoutingID();
       int render_process_id =
-          content::Source<RenderViewHost>(source)->process()->GetID();
+          content::Source<RenderViewHost>(source)->GetProcess()->GetID();
 
       for (size_t i = 0; i < temporary_zoom_levels_.size(); ++i) {
         if (temporary_zoom_levels_[i].render_process_id == render_process_id &&
             temporary_zoom_levels_[i].render_view_id == render_view_id) {
           temporary_zoom_levels_.erase(temporary_zoom_levels_.begin() + i);
           break;
         }
       }
       break;
     }
     default:
       NOTREACHED() << "Unexpected preference observed.";
   }
 }
 
 HostZoomMapImpl::~HostZoomMapImpl() {
 }