Use IOSImageDataFetcherWrapper for favicon

ios/chrome/browser/ui/browser_view_controller.mm

 // Copyright 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.
 
 #import "ios/chrome/browser/ui/browser_view_controller.h"
 
 #import <AssetsLibrary/AssetsLibrary.h>
 #import <MobileCoreServices/MobileCoreServices.h>
 #import <PassKit/PassKit.h>
 #import <Photos/Photos.h>
@@ skipping 3036 matching lines @@
   }
 }
 
 #pragma mark - Context menu methods
 
 - (void)searchByImageAtURL:(const GURL&)url
                   referrer:(const web::Referrer)referrer {
   DCHECK(url.is_valid());
   base::WeakNSObject<BrowserViewController> weakSelf(self);
   const GURL image_source_url = url;
-  image_fetcher::IOSImageDataFetcherCallback callback = ^(NSData* data) {
+  image_fetcher::IOSImageDataFetcherCallback callback = ^(
+      NSData* data, const int response_code) {
+
     DCHECK(data);
     dispatch_async(dispatch_get_main_queue(), ^{
       [weakSelf searchByImageData:data atURL:image_source_url];
     });
   };
   _imageFetcher->FetchImageDataWebpDecoded(
       url, callback, web::ReferrerHeaderValueForNavigation(url, referrer),
       web::PolicyForNavigation(url, referrer));
 }
 
@@ skipping 35 matching lines @@
       search_args, templateUrlService->search_terms_data(), &post_content));
   [self addSelectedTabWithURL:result
                      postData:&post_content
                    transition:ui::PAGE_TRANSITION_TYPED];
 }
 
 - (void)saveImageAtURL:(const GURL&)url
               referrer:(const web::Referrer&)referrer {
   DCHECK(url.is_valid());
 
-  image_fetcher::IOSImageDataFetcherCallback callback = ^(NSData* data) {
-    DCHECK(data);
+  image_fetcher::IOSImageDataFetcherCallback callback =
+      ^(NSData* data, const int response_code) {
+        DCHECK(data);
 
-    [self managePermissionAndSaveImage:data];
-  };
+        [self managePermissionAndSaveImage:data];
+      };
   _imageFetcher->FetchImageDataWebpDecoded(
       url, callback, web::ReferrerHeaderValueForNavigation(url, referrer),
       web::PolicyForNavigation(url, referrer));
 }
 
 - (void)managePermissionAndSaveImage:(NSData*)data {
   switch ([PHPhotoLibrary authorizationStatus]) {
     // User was never asked for permission to access photos.
     case PHAuthorizationStatusNotDetermined:
       [PHPhotoLibrary requestAuthorization:^(PHAuthorizationStatus status) {
@@ skipping 2016 matching lines @@
 
 - (UIView*)voiceSearchButton {
   return _voiceSearchButton;
 }
 
 - (id<LogoAnimationControllerOwner>)logoAnimationControllerOwner {
   return [self currentLogoAnimationControllerOwner];
 }
 
 @end