Refactor ResourceHandler API.

content/browser/loader/async_resource_handler.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_BROWSER_LOADER_ASYNC_RESOURCE_HANDLER_H_
 #define CONTENT_BROWSER_LOADER_ASYNC_RESOURCE_HANDLER_H_
 
 #include <stdint.h>
 
 #include <string>
@@ skipping 20 matching lines @@
 class CONTENT_EXPORT AsyncResourceHandler : public ResourceHandler,
                                             public ResourceMessageDelegate {
  public:
   AsyncResourceHandler(net::URLRequest* request,
                        ResourceDispatcherHostImpl* rdh);
   ~AsyncResourceHandler() override;
 
   bool OnMessageReceived(const IPC::Message& message) override;
 
   // ResourceHandler implementation:
-  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;
 
  private:
   class InliningHelper;
 
   // IPC message handlers:
   void OnFollowRedirect(int request_id);
   void OnDataReceivedACK(int request_id);
@@ skipping 36 matching lines @@
 
   int64_t reported_transfer_size_;
   int64_t reported_encoded_body_length_;
 
   DISALLOW_COPY_AND_ASSIGN(AsyncResourceHandler);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_LOADER_ASYNC_RESOURCE_HANDLER_H_