[Android WebView] Implement a better OnReceivedError callback

android_webview/browser/renderer_host/aw_resource_dispatcher_host_delegate.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 ANDROID_WEBVIEW_LIB_RENDERER_HOST_AW_RESOURCE_DISPATCHER_HOST_DELEGATE_H_
 #define ANDROID_WEBVIEW_LIB_RENDERER_HOST_AW_RESOURCE_DISPATCHER_HOST_DELEGATE_H_
 
 #include <map>
 
 #include "base/lazy_instance.h"
@@ skipping 42 matching lines @@
   void OnResponseStarted(net::URLRequest* request,
                          content::ResourceContext* resource_context,
                          content::ResourceResponse* response,
                          IPC::Sender* sender) override;
 
   void OnRequestRedirected(const GURL& redirect_url,
                            net::URLRequest* request,
                            content::ResourceContext* resource_context,
                            content::ResourceResponse* response) override;
 
+  void RequestComplete(net::URLRequest* request) override;
+
   void RemovePendingThrottleOnIoThread(IoThreadClientThrottle* throttle);
 
   static void OnIoThreadClientReady(int new_render_process_id,
                                     int new_render_frame_id);
   static void AddPendingThrottle(int render_process_id,
                                  int render_frame_id,
                                  IoThreadClientThrottle* pending_throttle);
 
  private:
   friend struct base::DefaultLazyInstanceTraits<
@@ skipping 17 matching lines @@
 
   // Only accessed on the IO thread.
   PendingThrottleMap pending_throttles_;
 
   DISALLOW_COPY_AND_ASSIGN(AwResourceDispatcherHostDelegate);
 };
 
 }  // namespace android_webview
 
 #endif  // ANDROID_WEBVIEW_LIB_RENDERER_HOST_AW_RESOURCE_DISPATCHER_HOST_H_