Extract minimal RenderViewHost interface for embedders, leaving

content/browser/download/save_file_manager.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 "build/build_config.h"
 
 #include "content/browser/download/save_file_manager.h"
 
 #include "base/bind.h"
 #include "base/file_util.h"
 #include "base/logging.h"
@@ skipping 157 matching lines @@
   } else {
     SavePackageMap::iterator it = packages_.find(save_id);
     if (it != packages_.end())
       packages_.erase(it);
   }
 }
 
 // Static
 SavePackage* SaveFileManager::GetSavePackageFromRenderIds(
     int render_process_id, int render_view_id) {
-  RenderViewHost* render_view_host =
-      RenderViewHost::FromID(render_process_id, render_view_id);
+  RenderViewHostImpl* render_view_host =
+      RenderViewHostImpl::FromID(render_process_id, render_view_id);
   if (!render_view_host)
     return NULL;
 
   TabContents* tab = static_cast<TabContents*>(
-      render_view_host->delegate()->GetAsWebContents());
+      render_view_host->GetDelegate()->GetAsWebContents());
   if (!tab)
     return NULL;
 
   return tab->save_package();
 }
 
 void SaveFileManager::DeleteDirectoryOrFile(const FilePath& full_path,
                                             bool is_dir) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   BrowserThread::PostTask(
@@ skipping 319 matching lines @@
     SaveFileMap::iterator it = save_file_map_.find(*i);
     if (it != save_file_map_.end()) {
       SaveFile* save_file = it->second;
       DCHECK(!save_file->InProgress());
       file_util::Delete(save_file->FullPath(), false);
       delete save_file;
       save_file_map_.erase(it);
     }
   }
 }