Remove OnRecordingDisabled() metrics client interface.

android_webview/browser/aw_metrics_service_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 "android_webview/browser/aw_metrics_service_client.h"
 
 #include "android_webview/common/aw_version_info_values.h"
 #include "base/bind.h"
 #include "base/files/file_util.h"
 #include "base/guid.h"
@@ skipping 141 matching lines @@
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
   return is_enabled_;
 }
 
 metrics::MetricsService* AwMetricsServiceClient::GetMetricsService() {
   return metrics_service_.get();
 }
 
 // In Chrome, UMA and Breakpad are enabled/disabled together by the same
 // checkbox and they share the same client ID (a.k.a. GUID). SetMetricsClientId
-// and OnRecordingDisabled are intended to provide the ID to Breakpad. In
-// WebView, UMA and Breakpad are independent, so these are no-ops.
+// is intended to provide the ID to Breakpad. In WebView, UMA and Breakpad are
+// independent, so this is a no-op.
 
 void AwMetricsServiceClient::SetMetricsClientId(const std::string& client_id) {}
 
-void AwMetricsServiceClient::OnRecordingDisabled() {}
-
 bool AwMetricsServiceClient::IsOffTheRecordSessionActive() {
   // WebView has no incognito mode.
   return false;
 }
 
 int32_t AwMetricsServiceClient::GetProduct() {
   return ::metrics::ChromeUserMetricsExtension::ANDROID_WEBVIEW;
 }
 
 std::string AwMetricsServiceClient::GetApplicationLocale() {
@@ skipping 42 matching lines @@
 
 AwMetricsServiceClient::AwMetricsServiceClient()
     : is_initialized_(false),
       is_enabled_(false),
       pref_service_(nullptr),
       request_context_(nullptr) {}
 
 AwMetricsServiceClient::~AwMetricsServiceClient() {}
 
 }  // namespace android_webview