Network traffic annotation added to cloud_print_url_fetcher.

chrome/service/cloud_print/cloud_print_url_fetcher.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 "chrome/service/cloud_print/cloud_print_url_fetcher.h"
 
 #include <stddef.h>
 
 #include "base/metrics/histogram_macros.h"
 #include "base/strings/stringprintf.h"
 #include "base/values.h"
 #include "chrome/common/cloud_print/cloud_print_constants.h"
 #include "chrome/common/cloud_print/cloud_print_helpers.h"
 #include "chrome/service/cloud_print/cloud_print_service_helpers.h"
 #include "chrome/service/cloud_print/cloud_print_token_store.h"
 #include "chrome/service/net/service_url_request_context_getter.h"
 #include "chrome/service/service_process.h"
 #include "components/data_use_measurement/core/data_use_user_data.h"
 #include "net/base/load_flags.h"
 #include "net/http/http_status_code.h"
+#include "net/traffic_annotation/network_traffic_annotation.h"
 #include "net/url_request/url_fetcher.h"
 #include "net/url_request/url_request_status.h"
 #include "url/gurl.h"
 
 namespace cloud_print {
 
 namespace {
 
 void ReportRequestTime(CloudPrintURLFetcher::RequestType type,
                        base::TimeDelta time) {
@@ skipping 221 matching lines @@
     int max_retries,
     const std::string& post_data_mime_type,
     const std::string& post_data,
     const std::string& additional_headers) {
   DCHECK(delegate);
   type_ = type;
   UMA_HISTOGRAM_ENUMERATION("CloudPrint.UrlFetcherRequestType", type,
                             REQUEST_MAX);
   // Persist the additional headers in case we need to retry the request.
   additional_headers_ = additional_headers;
-  request_ = net::URLFetcher::Create(0, url, request_type, this);
+  net::NetworkTrafficAnnotationTag traffic_annotation =
+      net::DefineNetworkTrafficAnnotation("cloud_print_url_fetcher", R"(
+        semantics {
+          sender: "Cloud Print"
+          description:
+            "Google Cloud Print allows users to print to a corp printer "

[Lei Zhang, 2017/04/18 19:16:41]

Drop the word corp? Lots of people use Cloud Print at home too. Maybe:

Google Cloud Print allows users to print to printers from Chrome and Android
without needing to install print drivers.

[Ramin Halavati, 2017/04/19 05:59:07]

Done.

+            "without needing to add the printer to their computer"
+          trigger:
+            "Printing and running background Cloud Print services."
+          data: "..."
+          destination: WEBSITE/GOOGLE_OWNED_SERVICE/OTHER
+        }
+        policy {
+          cookies_allowed: true

[Vitaly Buka (NO REVIEWS), 2017/04/18 17:32:44]

ths is incorrect
it sets net::LOAD_DO_NOT_SEND_COOKIES | net::LOAD_DO_NOT_SAVE_COOKIES just below

[Ramin Halavati, 2017/04/19 05:59:06]

Done. 

+          cookies_store: "user"
+          setting:
+            "This feature cannot be disabled by settings."
+          chrome_policy {
+            CloudPrintProxyEnabled {
+              policy_options {mode: MANDATORY}
+              CloudPrintProxyEnabled: false
+            }
+          }
+          chrome_policy {
+            CloudPrintSubmitEnabled {
+              policy_options {mode: MANDATORY}
+              CloudPrintSubmitEnabled: false
+            }
+          }
+        })");
+  request_ =
+      net::URLFetcher::Create(0, url, request_type, this, traffic_annotation);
   data_use_measurement::DataUseUserData::AttachToFetcher(
       request_.get(), data_use_measurement::DataUseUserData::CLOUD_PRINT);
   request_->SetRequestContext(GetRequestContextGetter());
   // Since we implement our own retry logic, disable the retry in URLFetcher.
   request_->SetAutomaticallyRetryOn5xx(false);
   request_->SetMaxRetriesOn5xx(max_retries);
   delegate_ = delegate;
   SetupRequestHeaders();
   request_->SetLoadFlags(net::LOAD_DO_NOT_SEND_COOKIES |
                          net::LOAD_DO_NOT_SAVE_COOKIES);
@@ skipping 23 matching lines @@
   ServiceURLRequestContextGetter* getter =
       g_service_process->GetServiceURLRequestContextGetter();
   // Now set up the user agent for cloudprint.
   std::string user_agent = getter->user_agent();
   base::StringAppendF(&user_agent, " %s", kCloudPrintUserAgent);
   getter->set_user_agent(user_agent);
   return getter;
 }
 
 }  // namespace cloud_print