Network traffic annotation added to popular_sites_impl.

components/ntp_tiles/popular_sites_impl.cc

 // Copyright 2015 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 "components/ntp_tiles/popular_sites_impl.h"
 
 #include <stddef.h>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 13 matching lines @@
 #include "components/ntp_tiles/pref_names.h"
 #include "components/ntp_tiles/switches.h"
 #include "components/pref_registry/pref_registry_syncable.h"
 #include "components/prefs/pref_service.h"
 #include "components/search_engines/search_engine_type.h"
 #include "components/search_engines/template_url_service.h"
 #include "components/variations/service/variations_service.h"
 #include "components/variations/variations_associated_data.h"
 #include "net/base/load_flags.h"
 #include "net/http/http_status_code.h"
+#include "net/traffic_annotation/network_traffic_annotation.h"
 
 #if defined(OS_ANDROID) || defined(OS_IOS)
 #include "base/json/json_reader.h"
 #include "components/grit/components_resources.h"
 #include "ui/base/resource/resource_bundle.h"
 #endif
 
 #if defined(OS_IOS)
 #include "components/ntp_tiles/country_code_ios.h"
 #endif
@@ skipping 255 matching lines @@
   user_prefs->RegisterStringPref(ntp_tiles::prefs::kPopularSitesOverrideVersion,
                                  std::string());
 
   user_prefs->RegisterInt64Pref(kPopularSitesLastDownloadPref, 0);
   user_prefs->RegisterStringPref(kPopularSitesURLPref, std::string());
   user_prefs->RegisterListPref(kPopularSitesJsonPref,
                                DefaultPopularSites().release());
 }
 
 void PopularSitesImpl::FetchPopularSites() {
-  fetcher_ = URLFetcher::Create(pending_url_, URLFetcher::GET, this);
+  net::NetworkTrafficAnnotationTag traffic_annotation =
+      net::DefineNetworkTrafficAnnotation("popular_sites_fetch", R"(
+        semantics {
+          sender: "Popular Sites New Tab Fetch"
+          description:
+            "Google Chrome may display a list of regionally-popular web sites "
+            "on the New Tab Page. This service fetches the list of these sites."
+          trigger:
+            "Once per day, unless no popular web sites are required because "
+            "the New Tab Page is filled with suggestions based on the user's "
+            "browsing history."
+          data: "A two letter country code based on the user's location."
+          destination: GOOGLE_OWNED_SERVICE
+        }
+        policy {
+          cookies_allowed: false
+          setting: "This feature cannot be disabled in settings."
+          policy_exception_justification:
+            "Not implemented, considered not useful."
+        })");
+  fetcher_ = URLFetcher::Create(pending_url_, URLFetcher::GET, this,
+                                traffic_annotation);
   data_use_measurement::DataUseUserData::AttachToFetcher(
       fetcher_.get(), data_use_measurement::DataUseUserData::NTP_TILES);
   fetcher_->SetRequestContext(download_context_);
   fetcher_->SetLoadFlags(net::LOAD_DO_NOT_SEND_COOKIES |
                          net::LOAD_DO_NOT_SAVE_COOKIES);
   fetcher_->SetAutomaticallyRetryOnNetworkChanges(1);
   fetcher_->Start();
 }
 
 void PopularSitesImpl::OnURLFetchComplete(const net::URLFetcher* source) {
@@ skipping 44 matching lines @@
     pending_url_ = GetPopularSitesURL(kPopularSitesDefaultCountryCode,
                                       kPopularSitesDefaultVersion);
     FetchPopularSites();
   } else {
     DLOG(WARNING) << "Download fallback site list failed";
     callback_.Run(false);
   }
 }
 
 }  // namespace ntp_tiles