Add a mechanism for collecting Rappor samples on a daily interval.

chrome/browser/metrics/metrics_services_manager.cc

 // Copyright 2014 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/metrics/metrics_services_manager.h"
 
 #include <string>
 
 #include "base/command_line.h"
 #include "base/logging.h"
@@ skipping 20 matching lines @@
 }
 
 MetricsService* MetricsServicesManager::GetMetricsService() {
   DCHECK(thread_checker_.CalledOnValidThread());
   return GetChromeMetricsServiceClient()->metrics_service();
 }
 
 rappor::RapporService* MetricsServicesManager::GetRapporService() {
   DCHECK(thread_checker_.CalledOnValidThread());
   if (!rappor_service_)
-    rappor_service_.reset(new rappor::RapporService);
+    rappor_service_.reset(new rappor::RapporService(local_state_));
   return rappor_service_.get();
 }
 
 chrome_variations::VariationsService*
 MetricsServicesManager::GetVariationsService() {
   DCHECK(thread_checker_.CalledOnValidThread());
   if (!variations_service_) {
     variations_service_ =
         chrome_variations::VariationsService::Create(local_state_,
                                                      GetMetricsStateManager());
@@ skipping 42 matching lines @@
 #if defined(GOOGLE_CHROME_BUILD)
 #if defined(OS_CHROMEOS)
   chromeos::CrosSettings::Get()->GetBoolean(chromeos::kStatsReportingPref,
                                             &enabled);
 #else
   enabled = local_state_->GetBoolean(prefs::kMetricsReportingEnabled);
 #endif  // #if defined(OS_CHROMEOS)
 #endif  // defined(GOOGLE_CHROME_BUILD)
   return enabled;
 }