Migrate HostZoomMap to live in StoragePartition.

content/browser/loader/async_resource_handler.cc

 // 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 "content/browser/loader/async_resource_handler.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "base/command_line.h"
@@ skipping 175 matching lines @@
   if (!info->filter())
     return false;
 
   if (rdh_->delegate()) {
     rdh_->delegate()->OnResponseStarted(
         request(), info->GetContext(), response, info->filter());
   }
 
   DevToolsNetLogObserver::PopulateResponseInfo(request(), response);
 
-  HostZoomMap* host_zoom_map =
-      GetHostZoomMapForResourceContext(info->GetContext());
+  const HostZoomMap* host_zoom_map = info->filter()->GetHostZoomMap();
 
   if (info->GetResourceType() == RESOURCE_TYPE_MAIN_FRAME && host_zoom_map) {
     const GURL& request_url = request()->url();
     info->filter()->Send(new ViewMsg_SetZoomLevelForLoadingURL(
         info->GetRouteID(),
         request_url, host_zoom_map->GetZoomLevelForHostAndScheme(
             request_url.scheme(),
             net::GetHostOrSpecFromURL(request_url))));
   }
 
@@ skipping 193 matching lines @@
     request()->LogUnblocked();
     controller()->Resume();
   }
 }
 
 void AsyncResourceHandler::OnDefer() {
   request()->LogBlockedBy("AsyncResourceHandler");
 }
 
 }  // namespace content