Prepare to call GMS APIs from WebView

android_webview/native/aw_metrics_switch.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/native/aw_metrics_switch.h"
-
-#include "android_webview/browser/aw_metrics_service_client.h"
-#include "android_webview/jni/AwMetricsServiceClient_jni.h"
-
-namespace android_webview {
-
-static void SetMetricsEnabled(
-    JNIEnv* env,
-    const base::android::JavaParamRef<jclass>& jcaller,
-    jboolean enabled) {
-  AwMetricsServiceClient::GetInstance()->SetMetricsEnabled(enabled);
-}
-
-bool RegisterAwMetricsServiceClient(JNIEnv* env) {
-  return RegisterNativesImpl(env);
-}
-
-}  // namespace android_webview