[Android WebView] Implement a better OnReceivedError callback

android_webview/browser/aw_request_interceptor.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_BROWSER_AW_REQUEST_INTERCEPTOR_H_
 #define ANDROID_WEBVIEW_BROWSER_AW_REQUEST_INTERCEPTOR_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "net/url_request/url_request_interceptor.h"
 
@@ skipping 18 matching lines @@
   AwRequestInterceptor();
   ~AwRequestInterceptor() override;
 
   // net::URLRequestInterceptor override --------------------------------------
   net::URLRequestJob* MaybeInterceptRequest(
       net::URLRequest* request,
       net::NetworkDelegate* network_delegate) const override;
 
  private:
   scoped_ptr<AwWebResourceResponse> QueryForAwWebResourceResponse(
-      const GURL& location,
       net::URLRequest* request) const;
 
   DISALLOW_COPY_AND_ASSIGN(AwRequestInterceptor);
 };
 
 } // namespace android_webview
 
 #endif  // ANDROID_WEBVIEW_BROWSER_AW_REQUEST_INTERCEPTOR_H_