Move WebpDecoder from ios/web to components/image_fetcher

components/image_fetcher/ios/webp_decoder.mm

 // Copyright 2013 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/web/public/image_fetcher/webp_decoder.h"
+#import "components/image_fetcher/ios/webp_decoder.h"
 
 #import <Foundation/Foundation.h>
+#import <UIKit/UIKit.h>
+
 #include <stdint.h>
-#import <UIKit/UIKit.h>
 
 #include "base/logging.h"
 #include "base/metrics/histogram_macros.h"
 
 #if !defined(__has_feature) || !__has_feature(objc_arc)
 #error "This file requires ARC support."
 #endif
 
 namespace {
 
@@ skipping 280 matching lines @@
   }
   UMA_HISTOGRAM_ENUMERATION("WebP.DecodedImageFormat", format,
                             DECODED_FORMAT_COUNT);
   delegate_->SetImageFeatures([result_data length], format);
   delegate_->OnDataDecoded(result_data);
   output_buffer_.reset();
   return true;
 }
 
 }  // namespace webp_transcode