Network traffic annotation added to chrome::BitmapFetcher.

chrome/browser/bitmap_fetcher/bitmap_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 CHROME_BROWSER_BITMAP_FETCHER_BITMAP_FETCHER_H_
 #define CHROME_BROWSER_BITMAP_FETCHER_BITMAP_FETCHER_H_
 
 #include <memory>
 
 #include "base/macros.h"
 #include "chrome/browser/bitmap_fetcher/bitmap_fetcher_delegate.h"
 #include "chrome/browser/image_decoder.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"
 
 class SkBitmap;
 
 namespace net {
 class URLFetcher;
 class URLRequestContextGetter;
 }  // namespace net
 
 namespace chrome {
 
 // Asynchrounously fetches an image from the given URL and returns the
 // decoded Bitmap to the provided BitmapFetcherDelegate.
 class BitmapFetcher : public net::URLFetcherDelegate,
                       public ImageDecoder::ImageRequest {
  public:
-  BitmapFetcher(const GURL& url, BitmapFetcherDelegate* delegate);
+  BitmapFetcher(const GURL& url,
+                BitmapFetcherDelegate* delegate,
+                const net::NetworkTrafficAnnotationTag& traffic_annotation);
   ~BitmapFetcher() override;
 
   const GURL& url() const { return url_; }
   net::URLFetcher* url_fetcher() { return url_fetcher_.get(); }
 
   // Initializes internal fetcher.  After this function returns url_fetcher()
   // can be accessed to configure it further (eg. add user data to request).
   // All configuration must be done before Start() is called.
   // Values for |load_flags| are defined in net/base/load_flags.h.  In general,
   // |net::LOAD_NORMAL| is appropriate.  Init may be called more than once in
@@ skipping 25 matching lines @@
   // Called when decoding image failed.
   void OnDecodeImageFailed() override;
 
  private:
   // Alerts the delegate that a failure occurred.
   void ReportFailure();
 
   std::unique_ptr<net::URLFetcher> url_fetcher_;
   const GURL url_;
   BitmapFetcherDelegate* const delegate_;
+  const net::NetworkTrafficAnnotationTag traffic_annotation_;
 
   DISALLOW_COPY_AND_ASSIGN(BitmapFetcher);
 };
 
 }  // namespace chrome
 
 #endif  // CHROME_BROWSER_BITMAP_FETCHER_BITMAP_FETCHER_H_