Migrate HostZoomMap to live in StoragePartition.

content/browser/loader/resource_message_filter.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/resource_message_filter.h"
 
 #include "content/browser/appcache/chrome_appcache_service.h"
 #include "content/browser/fileapi/chrome_blob_storage_context.h"
+#include "content/browser/host_zoom_level_context.h"
 #include "content/browser/loader/resource_dispatcher_host_impl.h"
 #include "content/browser/service_worker/service_worker_context_wrapper.h"
 #include "content/common/resource_messages.h"
 #include "content/public/browser/resource_context.h"
 #include "storage/browser/fileapi/file_system_context.h"
 
 namespace content {
 
 ResourceMessageFilter::ResourceMessageFilter(
     int child_id,
     int process_type,
     ChromeAppCacheService* appcache_service,
     ChromeBlobStorageContext* blob_storage_context,
     storage::FileSystemContext* file_system_context,
     ServiceWorkerContextWrapper* service_worker_context,
+    HostZoomLevelContext* host_zoom_level_context,
     const GetContextsCallback& get_contexts_callback)
     : BrowserMessageFilter(ResourceMsgStart),
       child_id_(child_id),
       process_type_(process_type),
       appcache_service_(appcache_service),
       blob_storage_context_(blob_storage_context),
       file_system_context_(file_system_context),
       service_worker_context_(service_worker_context),
+      host_zoom_level_context_(host_zoom_level_context),
       get_contexts_callback_(get_contexts_callback),
       weak_ptr_factory_(this) {
 }
 
 ResourceMessageFilter::~ResourceMessageFilter() {
 }
 
 void ResourceMessageFilter::OnChannelClosing() {
   // Unhook us from all pending network requests so they don't get sent to a
   // deleted object.
   ResourceDispatcherHostImpl::Get()->CancelRequestsForProcess(child_id_);
 }
 
 bool ResourceMessageFilter::OnMessageReceived(const IPC::Message& message) {
   return ResourceDispatcherHostImpl::Get()->OnMessageReceived(message, this);
 }
 
 void ResourceMessageFilter::GetContexts(
     const ResourceHostMsg_Request& request,
     ResourceContext** resource_context,
     net::URLRequestContext** request_context) {
   return get_contexts_callback_.Run(request, resource_context, request_context);
 }
 
+const HostZoomMap* ResourceMessageFilter::GetHostZoomMap() const {
+  if (host_zoom_level_context_.get())
+    return host_zoom_level_context_->GetHostZoomMap();
+  return NULL;
+}
+
 base::WeakPtr<ResourceMessageFilter> ResourceMessageFilter::GetWeakPtr() {
   return weak_ptr_factory_.GetWeakPtr();
 }
 
 }  // namespace content