Stop using ScopedAllowIO in content::ResourceDispatcherHostImpl

content/browser/renderer_host/resource_loader.h

Index: content/browser/renderer_host/resource_loader.h
diff --git a/content/browser/renderer_host/resource_loader.h b/content/browser/renderer_host/resource_loader.h
index db6c78a7bef860092aebf1db4f30519112f4b7dc..77a20d5596c198317795378930c2347c95cf2f98 100644
--- a/content/browser/renderer_host/resource_loader.h
+++ b/content/browser/renderer_host/resource_loader.h
@@ -50,8 +50,12 @@ class ResourceLoader : public net::URLRequest::Delegate,
   // IPC message handlers:
   void OnUploadProgressACK();
 
+  uint64 upload_size() const { return upload_size_; }
+
  private:
   // net::URLRequest::Delegate implementation:
+  virtual void OnRequestBodyInitialized(net::URLRequest* request,
+                                        uint64 size) OVERRIDE;
   virtual void OnReceivedRedirect(net::URLRequest* request,
                                   const GURL& new_url,
                                   bool* defer) OVERRIDE;
@@ -104,6 +108,7 @@ class ResourceLoader : public net::URLRequest::Delegate,
   scoped_refptr<ResourceDispatcherHostLoginDelegate> login_delegate_;
   scoped_refptr<SSLClientAuthHandler> ssl_client_auth_handler_;
 
+  uint64 upload_size_;
   uint64 last_upload_position_;
   bool waiting_for_upload_progress_ack_;
   base::TimeTicks last_upload_ticks_;