Add external data use observer

chrome/browser/io_thread.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/browser/io_thread.h"
 
 #include <vector>
 
 #include "base/base64.h"
 #include "base/bind.h"
@@ skipping 90 matching lines @@
 #if defined(ENABLE_EXTENSIONS)
 #include "chrome/browser/extensions/event_router_forwarder.h"
 #endif
 
 #if defined(USE_NSS_CERTS) || defined(OS_IOS)
 #include "net/cert_net/nss_ocsp.h"
 #endif
 
 #if defined(OS_ANDROID)
 #include "base/android/build_info.h"
+#include "chrome/browser/android/datausage/external_data_use_observer_android.h"
 #include "chrome/browser/android/net/external_estimate_provider_android.h"
 #endif
 
 #if defined(OS_CHROMEOS)
 #include "chrome/browser/chromeos/net/cert_verify_proc_chromeos.h"
 #include "chromeos/network/host_resolver_impl_chromeos.h"
 #endif
 
 using content::BrowserThread;
 
@@ skipping 455 matching lines @@
       FROM_HERE_WITH_EXPLICIT_FUNCTION(
           "466432 IOThread::InitAsync::ChromeNetworkDelegate"));
   scoped_ptr<ChromeNetworkDelegate> chrome_network_delegate(
       new ChromeNetworkDelegate(extension_event_router_forwarder(),
                                 &system_enable_referrers_));
   // By default, data usage is considered off the record.
   chrome_network_delegate->set_data_use_aggregator(
       globals_->data_use_aggregator.get(),
       true /* is_data_usage_off_the_record */);
 
+#if defined(OS_ANDROID)
+  scoped_ptr<data_usage::DataUseAggregator::Observer>
+      external_data_use_observer(
+          new chrome::android::ExternalDataUseObserverAndroid(
+              globals_->data_use_aggregator.get()));
+
+  globals_->data_use_aggregator->PassExternalObserver(
+      external_data_use_observer.Pass());
+#endif
+
   // TODO(erikchen): Remove ScopedTracker below once http://crbug.com/466432
   // is fixed.
   tracked_objects::ScopedTracker tracking_profile4(
       FROM_HERE_WITH_EXPLICIT_FUNCTION(
           "466432 IOThread::InitAsync::CreateGlobalHostResolver"));
   globals_->system_network_delegate = chrome_network_delegate.Pass();
   globals_->host_resolver = CreateGlobalHostResolver(net_log_);
 
   std::map<std::string, std::string> network_quality_estimator_params;
   variations::GetVariationParams(kNetworkQualityEstimatorFieldTrialName,
@@ skipping 994 matching lines @@
   globals->proxy_script_fetcher_url_request_job_factory = job_factory.Pass();
 
   context->set_job_factory(
       globals->proxy_script_fetcher_url_request_job_factory.get());
 
   // TODO(rtenneti): We should probably use HttpServerPropertiesManager for the
   // system URLRequestContext too. There's no reason this should be tied to a
   // profile.
   return context;
 }