Separate RenderViewHost from RenderWidgetHost, part 4: delegate

chrome/browser/media_galleries/fileapi/media_file_system_backend.cc

 // Copyright (c) 2013 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 "chrome/browser/media_galleries/fileapi/media_file_system_backend.h"
 
 #include <string>
 #include <vector>
 
 #include "base/bind.h"
@@ skipping 42 matching lines @@
 #endif  // defined(OS_MACOSX)
 
 using storage::FileSystemContext;
 using storage::FileSystemURL;
 
 namespace {
 
 const char kMediaGalleryMountPrefix[] = "media_galleries-";
 
 void OnPreferencesInit(
-    const content::RenderViewHost* rvh,
+    content::RenderViewHost* rvh,
     const extensions::Extension* extension,
     MediaGalleryPrefId pref_id,
     const base::Callback<void(base::File::Error result)>& callback) {
   MediaFileSystemRegistry* registry =
       g_browser_process->media_file_system_registry();
   registry->RegisterMediaFileSystemForExtension(
       content::WebContents::FromRenderViewHost(rvh), extension, pref_id,
       callback);
 }
 
@@ skipping 324 matching lines @@
 
 const storage::ChangeObserverList* MediaFileSystemBackend::GetChangeObservers(
     storage::FileSystemType type) const {
   return NULL;
 }
 
 const storage::AccessObserverList* MediaFileSystemBackend::GetAccessObservers(
     storage::FileSystemType type) const {
   return NULL;
 }