Use IOSImageDataFetcherWrapper for favicon

components/image_fetcher/ios/ios_image_data_fetcher_wrapper.mm

 // Copyright 2017 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.
 
 #import "components/image_fetcher/ios/ios_image_data_fetcher_wrapper.h"
 
 #import "base/mac/bind_objc_block.h"
 #import "base/mac/scoped_nsobject.h"
 #include "base/memory/ptr_util.h"
 #include "base/task_runner.h"
@@ skipping 94 matching lines @@
 void IOSImageDataFetcherWrapper::SetDataUseServiceName(
     DataUseServiceName data_use_service_name) {
   image_data_fetcher_.SetDataUseServiceName(data_use_service_name);
 }
 
 ImageDataFetcher::ImageDataFetcherCallback
 IOSImageDataFetcherWrapper::CallbackForImageDataFetcher(
     IOSImageDataFetcherCallback callback) {
   scoped_refptr<base::TaskRunner> task_runner = task_runner_;
 
-  return base::BindBlockArc(^(const std::string& image_data) {
+  return base::BindBlockArc(^(const std::string& image_data,
+                              int http_response_code) {
     // Create a NSData from the returned data and notify the callback.
     NSData* data =
         [NSData dataWithBytes:image_data.data() length:image_data.size()];
 
     if (data.length < 12 ||
         image_data.compare(0, 4, kWEBPFirstMagicPattern) != 0 ||
         image_data.compare(8, 4, kWEBPSecondMagicPattern) != 0) {
-      callback(data);
+      callback(data, http_response_code);
       return;
     }
 
     // The image is a webp image.
     base::PostTaskAndReplyWithResult(task_runner.get(), FROM_HERE,
                                      base::Bind(&DecodeWebpImage, data),
-                                     base::BindBlockArc(callback));
+                                     base::BindBlockArc(^(NSData* data) {
+                                       callback(data, http_response_code);
+                                     }));
   });
 }
 
 }  // namespace image_fetcher