Remove OnRecordingDisabled() metrics client interface.

chromecast/browser/metrics/cast_metrics_service_client.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 "chromecast/browser/metrics/cast_metrics_service_client.h"
 
 #include "base/command_line.h"
 #include "base/guid.h"
 #include "base/i18n/rtl.h"
 #include "base/logging.h"
@@ skipping 98 matching lines @@
     const std::string& client_id) {
   client_id_ = client_id;
   LOG(INFO) << "Metrics client ID set: " << client_id;
   shell::CastBrowserProcess::GetInstance()->browser_client()->
       SetMetricsClientId(client_id);
 #if defined(OS_ANDROID)
   DumpstateWriter::AddDumpValue(kClientIdName, client_id);
 #endif
 }
 
-void CastMetricsServiceClient::OnRecordingDisabled() {
-}
-
 void CastMetricsServiceClient::StoreClientInfo(
     const ::metrics::ClientInfo& client_info) {
   const std::string& client_id = client_info.client_id;
   DCHECK(client_id.empty() || base::IsValidGUID(client_id));
   // backup client_id or reset to empty.
   SetMetricsClientId(client_id);
 }
 
 std::unique_ptr<::metrics::ClientInfo>
 CastMetricsServiceClient::LoadClientInfo() {
@@ skipping 276 matching lines @@
   external_metrics_->StopAndDestroy();
   external_metrics_ = nullptr;
   platform_metrics_->StopAndDestroy();
   platform_metrics_ = nullptr;
 #endif  // defined(OS_LINUX)
   metrics_service_->Stop();
 }
 
 }  // namespace metrics
 }  // namespace chromecast