Report data usage UMA for Chrome services

chrome/browser/spellchecker/feedback_sender.cc

 // Copyright (c) 2013 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.
 //
 // The |FeedbackSender| object stores the user feedback to spellcheck
 // suggestions in a |Feedback| object.
 //
 // When spelling service returns spellcheck results, these results first arrive
 // in |FeedbackSender| to assign hash identifiers for each
 // misspelling-suggestion pair. If the spelling service identifies the same
@@ skipping 30 matching lines @@
 #include "base/stl_util.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/stringprintf.h"
 #include "base/thread_task_runner_handle.h"
 #include "base/values.h"
 #include "chrome/browser/spellchecker/word_trimmer.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/spellcheck_common.h"
 #include "chrome/common/spellcheck_marker.h"
 #include "chrome/common/spellcheck_messages.h"
+#include "components/data_use_measurement/core/data_use_user_data.h"
 #include "content/public/browser/render_process_host.h"
 #include "google_apis/google_api_keys.h"
 #include "net/base/load_flags.h"
 #include "net/url_request/url_fetcher.h"
 #include "net/url_request/url_request_context_getter.h"
 
 namespace spellcheck {
 
 namespace {
 
@@ skipping 342 matching lines @@
                   country_),
       api_version_));
   std::string feedback;
   base::JSONWriter::Write(*feedback_value, &feedback);
 
   // The tests use this identifier to mock the URL fetcher.
   static const int kUrlFetcherId = 0;
   net::URLFetcher* sender =
       net::URLFetcher::Create(kUrlFetcherId, feedback_service_url_,
                               net::URLFetcher::POST, this).release();
+  data_use_measurement::DataUseUserData::AttachToFetcher(
+      sender, data_use_measurement::DataUseUserData::SPELL_CHECKER);
   sender->SetLoadFlags(net::LOAD_DO_NOT_SEND_COOKIES |
                        net::LOAD_DO_NOT_SAVE_COOKIES);
   sender->SetUploadData("application/json", feedback);
   senders_.push_back(sender);
 
   // Request context is NULL in testing.
   if (request_context_.get()) {
     sender->SetRequestContext(request_context_.get());
     sender->Start();
   }
 }
 
 }  // namespace spellcheck