Report data usage UMA for Chrome services

components/omnibox/browser/zero_suggest_provider.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 "components/omnibox/browser/zero_suggest_provider.h"
 
 #include "base/callback.h"
 #include "base/i18n/case_conversion.h"
 #include "base/json/json_string_value_serializer.h"
 #include "base/metrics/histogram.h"
 #include "base/metrics/user_metrics.h"
 #include "base/prefs/pref_service.h"
 #include "base/strings/string16.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/time/time.h"
+#include "components/data_use_measurement/core/data_use_user_data.h"
 #include "components/history/core/browser/history_types.h"
 #include "components/history/core/browser/top_sites.h"
 #include "components/metrics/proto/omnibox_input_type.pb.h"
 #include "components/omnibox/browser/autocomplete_classifier.h"
 #include "components/omnibox/browser/autocomplete_input.h"
 #include "components/omnibox/browser/autocomplete_match.h"
 #include "components/omnibox/browser/autocomplete_provider_listener.h"
 #include "components/omnibox/browser/history_url_provider.h"
 #include "components/omnibox/browser/omnibox_field_trial.h"
 #include "components/omnibox/browser/omnibox_pref_names.h"
@@ skipping 285 matching lines @@
     if (ts) {
       waiting_for_most_visited_urls_request_ = true;
       ts->GetMostVisitedURLs(
           base::Bind(&ZeroSuggestProvider::OnMostVisitedUrlsAvailable,
                      weak_ptr_factory_.GetWeakPtr()), false);
     }
   } else {
     const int kFetcherID = 1;
     fetcher_ = net::URLFetcher::Create(kFetcherID, suggest_url,
                                        net::URLFetcher::GET, this);
+    data_use_measurement::DataUseUserData::AttachToFetcher(
+        fetcher_.get(), data_use_measurement::DataUseUserData::OMNIBOX);
     fetcher_->SetRequestContext(client()->GetRequestContext());
     fetcher_->SetLoadFlags(net::LOAD_DO_NOT_SAVE_COOKIES);
     // Add Chrome experiment state to the request headers.
     net::HttpRequestHeaders headers;
     variations::VariationsHttpHeaderProvider::GetInstance()->AppendHeaders(
         fetcher_->GetOriginalURL(), client()->IsOffTheRecord(), false,
         &headers);
     fetcher_->SetExtraRequestHeaders(headers.ToString());
     fetcher_->Start();
     LogOmniboxZeroSuggestRequest(ZERO_SUGGEST_REQUEST_SENT);
@@ skipping 128 matching lines @@
   if (!json_data.empty()) {
     scoped_ptr<base::Value> data(
         SearchSuggestionParser::DeserializeJsonData(json_data));
     if (data && ParseSuggestResults(
             *data, kDefaultZeroSuggestRelevance, false, &results_)) {
       ConvertResultsToAutocompleteMatches();
       results_from_cache_ = !matches_.empty();
     }
   }
 }