Modify ResourceMessageFilter so that it can support attaching to PluginProcessHost.

content/browser/loader/sync_resource_handler.h

Index: content/browser/loader/sync_resource_handler.h
===================================================================
--- content/browser/loader/sync_resource_handler.h	(revision 222038)
+++ content/browser/loader/sync_resource_handler.h	(working copy)
@@ -20,6 +20,7 @@
 }
 
 namespace content {
+class ResourceContext;
 class ResourceDispatcherHostImpl;
 class ResourceMessageFilter;
 
@@ -28,6 +29,7 @@
 class SyncResourceHandler : public ResourceHandler {
  public:
   SyncResourceHandler(ResourceMessageFilter* filter,
+                      ResourceContext* resource_context,
                       net::URLRequest* request,
                       IPC::Message* result_message,
                       ResourceDispatcherHostImpl* resource_dispatcher_host);
@@ -65,6 +67,7 @@
 
   SyncLoadResult result_;
   scoped_refptr<ResourceMessageFilter> filter_;
+  ResourceContext* resource_context_;
   net::URLRequest* request_;
   IPC::Message* result_message_;
   ResourceDispatcherHostImpl* rdh_;