NOT FOR REVIEW - prioritize fonts

content/child/resource_dispatcher.cc

Index: content/child/resource_dispatcher.cc
diff --git a/content/child/resource_dispatcher.cc b/content/child/resource_dispatcher.cc
index b6a877fa65d5f8b9b91658ac2d14d5e01bb74680..a14c80bfab1473cedc3cdd1271dd35be9dfced9b 100644
--- a/content/child/resource_dispatcher.cc
+++ b/content/child/resource_dispatcher.cc
@@ -277,6 +277,22 @@ ResourceDispatcher::~ResourceDispatcher() {
 
 // ResourceDispatcher implementation ------------------------------------------
 
+bool ResourceDispatcher::IsPendingRequestFontType(const IPC::Message& message) {
+  if (!IsResourceDispatcherMessage(message))
+    return false;
+
+  int request_id;
+
+  PickleIterator iter(message);
+  if (!message.ReadInt(&iter, &request_id)) {
+    NOTREACHED() << "malformed resource message";
+    return false;
+  }
+
+  base::AutoLock lock(font_lock_);
+  return font_requests_.find(request_id) != font_requests_.end();
+}
+
 bool ResourceDispatcher::OnMessageReceived(const IPC::Message& message) {
   if (!IsResourceDispatcherMessage(message)) {
     return false;
@@ -566,6 +582,12 @@ int ResourceDispatcher::AddPendingRequest(RequestPeer* callback,
   int id = MakeRequestID();
   pending_requests_[id] = PendingRequestInfo(
       callback, resource_type, origin_pid, frame_origin, request_url);
+  {
+    if (resource_type == ResourceType::FONT_RESOURCE) {
+      base::AutoLock lock(font_lock_);
+      font_requests_.insert(id);
+    }
+  }
   return id;
 }
 
@@ -575,6 +597,12 @@ bool ResourceDispatcher::RemovePendingRequest(int request_id) {
     return false;
 
   PendingRequestInfo& request_info = it->second;
+
+  {
+    base::AutoLock lock(font_lock_);
+    font_requests_.erase(request_id);
+  }
+
   ReleaseResourcesInMessageQueue(&request_info.deferred_message_queue);
   pending_requests_.erase(it);