Use mojo for Chrome Loading, Part 1

content/browser/loader/resource_message_filter.cc

Index: content/browser/loader/resource_message_filter.cc
diff --git a/content/browser/loader/resource_message_filter.cc b/content/browser/loader/resource_message_filter.cc
index 3d62f2b362a520fdea2af44a1c4b14c0b9fd12d1..d69c9ceae4d46a91e4e3e25020c932ef80b6b5b0 100644
--- a/content/browser/loader/resource_message_filter.cc
+++ b/content/browser/loader/resource_message_filter.cc
@@ -49,6 +49,12 @@ bool ResourceMessageFilter::OnMessageReceived(const IPC::Message& message) {
   return ResourceDispatcherHostImpl::Get()->OnMessageReceived(message, this);
 }
 
+void ResourceMessageFilter::OnDestruct() const {
+  // Destroy the filter on the IO thread since that's where its weak pointers
+  // are being used.
+  BrowserThread::DeleteOnIOThread::Destruct(this);
+}
+
 void ResourceMessageFilter::GetContexts(
     ResourceType resource_type,
     int origin_pid,
@@ -65,6 +71,7 @@ const HostZoomMap* ResourceMessageFilter::GetHostZoomMap() const {
 }
 
 base::WeakPtr<ResourceMessageFilter> ResourceMessageFilter::GetWeakPtr() {
+  DCHECK_CURRENTLY_ON(BrowserThread::IO);
   return weak_ptr_factory_.GetWeakPtr();
 }