Remove Safebrowsing Rappor support

chrome/browser/metrics/chrome_metrics_services_manager_client.cc

 // Copyright 2015 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/chrome_metrics_services_manager_client.h"
 
 #include "base/command_line.h"
 #include "base/feature_list.h"
 #include "base/logging.h"
 #include "base/memory/ptr_util.h"
@@ skipping 212 matching lines @@
 std::unique_ptr<const base::FieldTrial::EntropyProvider>
 ChromeMetricsServicesManagerClient::CreateEntropyProvider() {
   return GetMetricsStateManager()->CreateDefaultEntropyProvider();
 }
 
 net::URLRequestContextGetter*
 ChromeMetricsServicesManagerClient::GetURLRequestContext() {
   return g_browser_process->system_request_context();
 }
 
-bool ChromeMetricsServicesManagerClient::IsSafeBrowsingEnabled(
-    const base::Closure& on_update_callback) {
-  // Start listening for updates to SB service state. This is done here instead
-  // of in the constructor to avoid errors from trying to instantiate SB
-  // service before the IO thread exists.
-  safe_browsing::SafeBrowsingService* sb_service =
-      g_browser_process->safe_browsing_service();
-  if (!sb_state_subscription_ && sb_service) {
-    // It is safe to pass the callback received from the
-    // MetricsServicesManager here since the MetricsServicesManager owns
-    // this object, which owns the sb_state_subscription_, which owns the
-    // pointer to the MetricsServicesManager.
-    sb_state_subscription_ =
-        sb_service->RegisterStateCallback(on_update_callback);
-  }
-
-  return sb_service && sb_service->enabled_by_prefs();
-}
-
 bool ChromeMetricsServicesManagerClient::IsMetricsReportingEnabled() {
   return enabled_state_provider_->IsReportingEnabled();
 }
 
 bool ChromeMetricsServicesManagerClient::OnlyDoMetricsRecording() {
   const base::CommandLine* cmdline = base::CommandLine::ForCurrentProcess();
   return cmdline->HasSwitch(switches::kMetricsRecordingOnly) ||
          cmdline->HasSwitch(switches::kEnableBenchmarking);
 }
 
@@ skipping 26 matching lines @@
 ChromeMetricsServicesManagerClient::GetMetricsStateManager() {
   DCHECK(thread_checker_.CalledOnValidThread());
   if (!metrics_state_manager_) {
     metrics_state_manager_ = metrics::MetricsStateManager::Create(
         local_state_, enabled_state_provider_.get(),
         base::Bind(&PostStoreMetricsClientInfo),
         base::Bind(&GoogleUpdateSettings::LoadMetricsClientInfo));
   }
   return metrics_state_manager_.get();
 }