Network traffic annotation added to OAuth2ApiCallFlow and its subclasses.

google_apis/gaia/oauth2_api_call_flow.cc

 // Copyright (c) 2012 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 "google_apis/gaia/oauth2_api_call_flow.h"
 
 #include <string>
 #include <vector>
 
 #include "base/strings/stringprintf.h"
@@ skipping 61 matching lines @@
   CHECK(source);
   CHECK_EQ(API_CALL_STARTED, state_);
   EndApiCall(source);
 }
 
 std::unique_ptr<URLFetcher> OAuth2ApiCallFlow::CreateURLFetcher(
     net::URLRequestContextGetter* context,
     const std::string& access_token) {
   std::string body = CreateApiCallBody();
   net::URLFetcher::RequestType request_type = GetRequestTypeForBody(body);
-  std::unique_ptr<URLFetcher> result =
-      net::URLFetcher::Create(0, CreateApiCallUrl(), request_type, this);
+  net::NetworkTrafficAnnotationTag traffic_annotation =
+      CompleteNetworkTrafficAnnotation("oauth2_api_call_flow",
+                                       GetNetworkTrafficAnnotationTag(), R"(
+          policy {
+            cookies_allowed: false
+          })");
+  std::unique_ptr<URLFetcher> result = net::URLFetcher::Create(
+      0, CreateApiCallUrl(), request_type, this, traffic_annotation);
 
   gaia::MarkURLFetcherAsGaia(result.get());
   result->SetRequestContext(context);
   result->SetLoadFlags(net::LOAD_DO_NOT_SEND_COOKIES |
                        net::LOAD_DO_NOT_SAVE_COOKIES);
   result->AddExtraRequestHeader(MakeAuthorizationHeader(access_token));
   // Fetchers are sometimes cancelled because a network change was detected,
   // especially at startup and after sign-in on ChromeOS. Retrying once should
   // be enough in those cases; let the fetcher retry up to 3 times just in case.
   // http://crbug.com/163710
   result->SetAutomaticallyRetryOnNetworkChanges(3);
 
   // Even if the the body is empty, we still set the Content-Type because an
   // empty string may be a meaningful value. For example, a Protocol Buffer
   // message with only default values will be serialized as an empty string.
   if (request_type != net::URLFetcher::GET)
     result->SetUploadData(CreateApiCallBodyContentType(), body);
 
   return result;
 }