Add a ResourceScheduler to ResourceDispatcherHost.

webkit/glue/weburlloader_impl.cc

Index: webkit/glue/weburlloader_impl.cc
diff --git a/webkit/glue/weburlloader_impl.cc b/webkit/glue/weburlloader_impl.cc
index c5838f952acf5744e864bd96d2020b7c6c52b92f..e4f4a634d53d7081a05ccaf6cd05b1f37e406031 100644
--- a/webkit/glue/weburlloader_impl.cc
+++ b/webkit/glue/weburlloader_impl.cc
@@ -268,6 +268,31 @@ void PopulateURLResponse(
   }
 }
 
+net::RequestPriority ConvertWebKitPriorityToNetPriority(
+    const WebURLRequest::Priority& priority) {
+  switch (priority) {
+    case WebURLRequest::PriorityVeryHigh:
+      return net::HIGHEST;
+
+    case WebURLRequest::PriorityHigh:
+      return net::MEDIUM;
+
+    case WebURLRequest::PriorityMedium:
+      return net::LOW;
+
+    case WebURLRequest::PriorityLow:
+      return net::LOWEST;
+
+    case WebURLRequest::PriorityVeryLow:
+      return net::IDLE;
+
+    case WebURLRequest::PriorityUnresolved:
+    default:
+      NOTREACHED();
+      return net::LOW;
+  }
+}
+
 }  // namespace
 
 // WebURLLoaderImpl::Context --------------------------------------------------
@@ -285,6 +310,7 @@ class WebURLLoaderImpl::Context : public base::RefCounted<Context>,
 
   void Cancel();
   void SetDefersLoading(bool value);
+  void DidChangePriority(WebURLRequest::Priority new_priority);
   void Start(
       const WebURLRequest& request,
       ResourceLoaderBridge::SyncLoadResponse* sync_load_response,
@@ -354,6 +380,13 @@ void WebURLLoaderImpl::Context::SetDefersLoading(bool value) {
     bridge_->SetDefersLoading(value);
 }
 
+void WebURLLoaderImpl::Context::DidChangePriority(
+    WebURLRequest::Priority new_priority) {
+  if (bridge_.get())
+    bridge_->DidChangePriority(
+        ConvertWebKitPriorityToNetPriority(new_priority));
+}
+
 void WebURLLoaderImpl::Context::Start(
     const WebURLRequest& request,
     ResourceLoaderBridge::SyncLoadResponse* sync_load_response,
@@ -433,7 +466,8 @@ void WebURLLoaderImpl::Context::Start(
   request_info.requestor_pid = request.requestorProcessID();
   request_info.request_type =
       ResourceType::FromTargetType(request.targetType());
-  request_info.priority = request.priority();
+  request_info.priority =
+      ConvertWebKitPriorityToNetPriority(request.priority());
   request_info.appcache_host_id = request.appCacheHostID();
   request_info.routing_id = request.requestorID();
   request_info.download_to_file = request.downloadToFile();
@@ -784,4 +818,8 @@ void WebURLLoaderImpl::setDefersLoading(bool value) {
   context_->SetDefersLoading(value);
 }
 
+void WebURLLoaderImpl::didChangePriority(WebURLRequest::Priority new_priority) {
+  context_->DidChangePriority(new_priority);
+}
+
 }  // namespace webkit_glue