Redirect HTML resource bytes directly to parser thread (Blink side CL)

public/platform/WebURLLoader.h

Index: public/platform/WebURLLoader.h
diff --git a/public/platform/WebURLLoader.h b/public/platform/WebURLLoader.h
index e183a32104018f69dca07a9600f50054b9e64edd..dbce29765a134da4138682f75ed3e4a605ab8ad6 100644
--- a/public/platform/WebURLLoader.h
+++ b/public/platform/WebURLLoader.h
@@ -37,6 +37,7 @@
 namespace blink {
 
 class WebData;
+class WebThreadedDataReceiver;
 class WebURLLoaderClient;
 class WebURLResponse;
 struct WebURLError;
@@ -69,6 +70,10 @@ public:
     // its previous value. For example, a preload request starts with low
     // priority, but may increase when the resource is needed for rendering.
     virtual void didChangePriority(WebURLRequest::Priority newPriority) { }
+
+    // Attach the given data receiver which from this point will receive data
+    // on its thread, rather than the WebURLLoaderClient.
+    virtual void attachThreadedDataReceiver(WebThreadedDataReceiver*) { }
 };
 
 } // namespace blink