Network traffic annotation added to image_data_fetcher.

components/image_fetcher/core/image_data_fetcher.h

 // 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.
 
 #ifndef COMPONENTS_IMAGE_FETCHER_CORE_IMAGE_DATA_FETCHER_H_
 #define COMPONENTS_IMAGE_FETCHER_CORE_IMAGE_DATA_FETCHER_H_
 
 #include <map>
 #include <memory>
 #include <string>
 
 #include "base/callback.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/optional.h"
 #include "components/data_use_measurement/core/data_use_user_data.h"
 #include "components/image_fetcher/core/request_metadata.h"
+#include "net/traffic_annotation/network_traffic_annotation.h"
 #include "net/url_request/url_fetcher_delegate.h"
 #include "net/url_request/url_request.h"
 #include "url/gurl.h"
 
 namespace net {
 class URLFetcher;
 class URLRequestContextGetter;
 }  // namespace net
 
 namespace image_fetcher {
@@ skipping 17 matching lines @@
   // Sets a service name against which to track data usage.
   void SetDataUseServiceName(DataUseServiceName data_use_service_name);
 
   // Sets an upper limit for image downloads.
   // Already running downloads are affected.
   void SetImageDownloadLimit(base::Optional<int64_t> max_download_bytes);
 
   // Fetches the raw image bytes from the given |image_url| and calls the given
   // |callback|. The callback is run even if fetching the URL fails. In case
   // of an error an empty string is passed to the callback.
-  void FetchImageData(const GURL& image_url,
-                      const ImageDataFetcherCallback& callback);
+  void FetchImageData(
+      const GURL& image_url,
+      const ImageDataFetcherCallback& callback,
+      const net::NetworkTrafficAnnotationTag& traffic_annotation);
 
   // Like above, but lets the caller set a referrer.
-  void FetchImageData(const GURL& image_url,
-                      const ImageDataFetcherCallback& callback,
-                      const std::string& referrer,
-                      net::URLRequest::ReferrerPolicy referrer_policy);
+  void FetchImageData(
+      const GURL& image_url,
+      const ImageDataFetcherCallback& callback,
+      const std::string& referrer,
+      net::URLRequest::ReferrerPolicy referrer_policy,
+      const net::NetworkTrafficAnnotationTag& traffic_annotation);
 
  private:
   struct ImageDataFetcherRequest;
 
   // Methods inherited from URLFetcherDelegate
   void OnURLFetchComplete(const net::URLFetcher* source) override;
   void OnURLFetchDownloadProgress(const net::URLFetcher* source,
                                   int64_t current,
                                   int64_t total,
                                   int64_t current_network_bytes) override;
@@ skipping 19 matching lines @@
 
   // Upper limit for the number of bytes to download per image.
   base::Optional<int64_t> max_download_bytes_;
 
   DISALLOW_COPY_AND_ASSIGN(ImageDataFetcher);
 };
 
 }  // namespace image_fetcher
 
 #endif  // COMPONENTS_IMAGE_FETCHER_CORE_IMAGE_DATA_FETCHER_H_