Network traffic annotation added to OAuth2ApiCallFlow and its subclasses.

google_apis/gaia/oauth2_api_call_flow.cc

Index: google_apis/gaia/oauth2_api_call_flow.cc
diff --git a/google_apis/gaia/oauth2_api_call_flow.cc b/google_apis/gaia/oauth2_api_call_flow.cc
index e3d40f0e037e9c2a2164e764cb04bb56d758effe..64424f17114d73b53a5e36d721c3ebe90a841c17 100644
--- a/google_apis/gaia/oauth2_api_call_flow.cc
+++ b/google_apis/gaia/oauth2_api_call_flow.cc
@@ -35,12 +35,14 @@ OAuth2ApiCallFlow::OAuth2ApiCallFlow() : state_(INITIAL) {
 
 OAuth2ApiCallFlow::~OAuth2ApiCallFlow() {}
 
-void OAuth2ApiCallFlow::Start(net::URLRequestContextGetter* context,
-                              const std::string& access_token) {
+void OAuth2ApiCallFlow::Start(
+    net::URLRequestContextGetter* context,
+    const std::string& access_token,
+    const net::NetworkTrafficAnnotationTag& traffic_annotation) {
   CHECK(state_ == INITIAL);
   state_ = API_CALL_STARTED;
 
-  url_fetcher_ = CreateURLFetcher(context, access_token);
+  url_fetcher_ = CreateURLFetcher(context, access_token, traffic_annotation);
   url_fetcher_->Start();  // OnURLFetchComplete will be called.
 }
 
@@ -76,11 +78,12 @@ void OAuth2ApiCallFlow::OnURLFetchComplete(const net::URLFetcher* source) {
 
 std::unique_ptr<URLFetcher> OAuth2ApiCallFlow::CreateURLFetcher(
     net::URLRequestContextGetter* context,
-    const std::string& access_token) {
+    const std::string& access_token,
+    const net::NetworkTrafficAnnotationTag& traffic_annotation) {
   std::string body = CreateApiCallBody();
   net::URLFetcher::RequestType request_type = GetRequestTypeForBody(body);
-  std::unique_ptr<URLFetcher> result =
-      net::URLFetcher::Create(0, CreateApiCallUrl(), request_type, this);
+  std::unique_ptr<URLFetcher> result = net::URLFetcher::Create(
+      0, CreateApiCallUrl(), request_type, this, traffic_annotation);
 
   gaia::MarkURLFetcherAsGaia(result.get());
   result->SetRequestContext(context);