Use defer out-params instead of ResourceDispatcherHostImpl::PauseRequest(...true)

content/browser/renderer_host/resource_dispatcher_host_impl.h

Index: content/browser/renderer_host/resource_dispatcher_host_impl.h
===================================================================
--- content/browser/renderer_host/resource_dispatcher_host_impl.h	(revision 137742)
+++ content/browser/renderer_host/resource_dispatcher_host_impl.h	(working copy)
@@ -136,14 +136,14 @@
   // Starts a request that was deferred during ResourceHandler::OnWillStart().
   void StartDeferredRequest(int child_id, int request_id);
 
+  // Resumes network activity for a particular request.
+  void ResumeDeferredRequest(int child_id, int request_id);
+
   // Returns true if it's ok to send the data. If there are already too many
   // data messages pending, it pauses the request and returns false. In this
   // case the caller should not send the data.
   bool WillSendData(int child_id, int request_id);
 
-  // Pauses or resumes network activity for a particular request.
-  void PauseRequest(int child_id, int request_id, bool pause);
-
   // Returns the number of pending requests. This is designed for the unittests
   int pending_requests() const {
     return static_cast<int>(pending_requests_.size());
@@ -264,6 +264,7 @@
       const DownloadResourceHandler::OnStartedCallback& started_cb);
 
  private:
+  friend class ResourceDispatcherHostTest;
   FRIEND_TEST_ALL_PREFIXES(ResourceDispatcherHostTest,
                            TestBlockedRequestsProcessDies);
   FRIEND_TEST_ALL_PREFIXES(ResourceDispatcherHostTest,
@@ -291,6 +292,9 @@
   // Returns true if the request is paused.
   bool PauseRequestIfNeeded(ResourceRequestInfoImpl* info);
 
+  // Pause or resume network activity for a particular request.
+  void PauseRequest(int child_id, int request_id, bool pause);
+
   // Resumes the given request by calling OnResponseStarted or OnReadCompleted.
   void ResumeRequest(const GlobalRequestID& request_id);