Network traffic annotation added to chrome::BitmapFetcher.

chrome/browser/profiles/profile_avatar_downloader.cc

 // 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.
 
 #include "chrome/browser/profiles/profile_avatar_downloader.h"
 
 #include <string>
 
 #include "base/callback.h"
 #include "base/files/file_path.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_avatar_icon_util.h"
 #include "net/base/load_flags.h"
+#include "net/traffic_annotation/network_traffic_annotation.h"
 #include "ui/gfx/image/image.h"
 
 namespace {
 const char kHighResAvatarDownloadUrlPrefix[] =
     "https://www.gstatic.com/chrome/profile_avatars/";
 }
 
 ProfileAvatarDownloader::ProfileAvatarDownloader(
     size_t icon_index,
     const FetchCompleteCallback& callback)
     : icon_index_(icon_index),
       callback_(callback) {
   DCHECK(!callback_.is_null());
   GURL url(std::string(kHighResAvatarDownloadUrlPrefix) +
            profiles::GetDefaultAvatarIconFileNameAtIndex(icon_index));
-  fetcher_.reset(new chrome::BitmapFetcher(url, this));
+  net::NetworkTrafficAnnotationTag traffic_annotation =
+      net::DefineNetworkTrafficAnnotation("profile_avatar", R"(
+        semantics {
+          sender: "Profile Avatar Downloader"
+          description:
+            "The Chromium binary comes with a bundle of low-resolution "
+            "versions of avatar images. When the user selects an avatar in "
+            "chrome://settings, Chromium will download a high-resolution "
+            "version from Google's static content servers for use in the "
+            "people manager UI."
+          trigger:
+            "User selects a new avatar in chrome://settings for their profile"
+          data: "None, only the filename of the png to download."
+          destination: GOOGLE_OWNED_SERVICE
+        }
+        policy {
+          cookies_allowed: false
+          policy_exception_justification:
+            "No content is being uploaded or saved; this request merely "
+            "downloads a publicly available PNG file."
+        })");
+  fetcher_.reset(new chrome::BitmapFetcher(url, this, traffic_annotation));
 }
 
 ProfileAvatarDownloader::~ProfileAvatarDownloader() {
 }
 
 void ProfileAvatarDownloader::Start() {
   // In unit tests, the browser process can return a NULL request context.
   net::URLRequestContextGetter* request_context =
       g_browser_process->system_request_context();
   if (request_context) {
@@ skipping 11 matching lines @@
                                               const SkBitmap* bitmap) {
   if (!bitmap)
     return;
 
   // Decode the downloaded bitmap. Ownership of the image is taken by |cache_|.
   gfx::Image image = gfx::Image::CreateFrom1xBitmap(*bitmap);
   callback_.Run(&image,
                 profiles::GetDefaultAvatarIconFileNameAtIndex(icon_index_),
                 profiles::GetPathOfHighResAvatarAtIndex(icon_index_));
 }