Refactor ResourceHandler API.

content/browser/loader/sync_resource_handler.h

Index: content/browser/loader/sync_resource_handler.h
diff --git a/content/browser/loader/sync_resource_handler.h b/content/browser/loader/sync_resource_handler.h
index 2ab87a79ca584221e14f1fb2c4d0fe9474729e5d..264d9f70c8b6d19bcdf31123206f98d621784f2f 100644
--- a/content/browser/loader/sync_resource_handler.h
+++ b/content/browser/loader/sync_resource_handler.h
@@ -36,15 +36,16 @@ class SyncResourceHandler : public ResourceHandler {
                       ResourceDispatcherHostImpl* resource_dispatcher_host);
   ~SyncResourceHandler() override;
 
-  bool OnRequestRedirected(const net::RedirectInfo& redirect_info,
+  void OnRequestRedirected(const net::RedirectInfo& redirect_info,
                            ResourceResponse* response,
-                           bool* defer) override;
-  bool OnResponseStarted(ResourceResponse* response, bool* defer) override;
-  bool OnWillStart(const GURL& url, bool* defer) override;
+                           bool* defer_or_cancel) override;
+  void OnResponseStarted(ResourceResponse* response,
+                         bool* defer_or_cancel) override;
+  void OnWillStart(const GURL& url, bool* defer_or_cancel) override;
   bool OnWillRead(scoped_refptr<net::IOBuffer>* buf,
                   int* buf_size,
                   int min_size) override;
-  bool OnReadCompleted(int bytes_read, bool* defer) override;
+  void OnReadCompleted(int bytes_read, bool* defer_or_cancel) override;
   void OnResponseCompleted(const net::URLRequestStatus& status,
                            bool* defer) override;
   void OnDataDownloaded(int bytes_downloaded) override;