Network traffic annotation added to image_data_fetcher.

components/image_fetcher/core/image_fetcher.h

 // Copyright 2014 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 COMPONENTS_IMAGE_FETCHER_CORE_IMAGE_FETCHER_H_
 #define COMPONENTS_IMAGE_FETCHER_CORE_IMAGE_FETCHER_H_
 
 #include <string>
 
 #include "base/callback.h"
 #include "base/macros.h"
 #include "base/optional.h"
 #include "components/data_use_measurement/core/data_use_user_data.h"
 #include "components/image_fetcher/core/image_fetcher_delegate.h"
+#include "net/traffic_annotation/network_traffic_annotation.h"
 #include "url/gurl.h"
 
 namespace gfx {
 class Image;
 class Size;
 }
 
 namespace image_fetcher {
 
 class ImageDecoder;
@@ skipping 32 matching lines @@
   // larger size if there's no precise match). Passing gfx::Size() as
   // |size| is also supported and will result in chosing the smallest available
   // size.
   virtual void SetDesiredImageFrameSize(const gfx::Size& size) = 0;
 
   // An empty gfx::Image will be returned to the callback in case the image
   // could not be fetched.
   virtual void StartOrQueueNetworkRequest(
       const std::string& id,
       const GURL& image_url,
-      const ImageFetcherCallback& callback) = 0;
+      const ImageFetcherCallback& callback,
+      const net::NetworkTrafficAnnotationTag& traffic_annotation) = 0;
 
   virtual ImageDecoder* GetImageDecoder() = 0;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ImageFetcher);
 };
 
 }  // namespace image_fetcher
 
 #endif  // COMPONENTS_IMAGE_FETCHER_CORE_IMAGE_FETCHER_H_