Move iOS ImageFetcher to ios/web/public

ios/chrome/browser/suggestions/ios_image_decoder_impl.mm

 // Copyright 2016 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.
 
 #include "ios/chrome/browser/suggestions/ios_image_decoder_impl.h"
 
 #include <UIKit/UIKit.h>
 
 #include "base/callback.h"
 #include "base/mac/scoped_nsobject.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/memory/weak_ptr.h"
-#include "ios/chrome/browser/webp_transcode/webp_decoder.h"
+#import "ios/web/public/image_fetcher/webp_decoder.h"
 #include "ios/web/public/web_thread.h"
 #include "ui/gfx/image/image.h"
 
 namespace {
 
 class WebpDecoderDelegate : public webp_transcode::WebpDecoder::Delegate {
  public:
   WebpDecoderDelegate() = default;
 
   NSData* data() const { return decoded_image_; }
@@ skipping 131 matching lines @@
   gfx::Image empty_image;
   callback.Run(empty_image);
 }
 
 std::unique_ptr<image_fetcher::ImageDecoder> CreateIOSImageDecoder(
     scoped_refptr<base::TaskRunner> task_runner) {
   return base::MakeUnique<IOSImageDecoderImpl>(std::move(task_runner));
 }
 
 }  // namespace suggestions