Clean up geolocation code now that it's all upstream.

chrome/browser/android/app_google_location_settings_helper.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/android/app_google_location_settings_helper.h"
-
-#include "base/android/jni_android.h"
-#include "base/android/jni_string.h"
-#include "jni/LocationSettings_jni.h"
-
-using base::android::AttachCurrentThread;
-using base::android::CheckException;
-using base::android::ScopedJavaLocalRef;
-
-AppGoogleLocationSettingsHelper::AppGoogleLocationSettingsHelper()
-    : GoogleLocationSettingsHelper() {
-}
-
-AppGoogleLocationSettingsHelper::~AppGoogleLocationSettingsHelper() {
-}
-
-// TODO(finnur): Rename this function IsLocationEnabled.
-bool AppGoogleLocationSettingsHelper::IsSystemLocationEnabled() {
-  JNIEnv* env = AttachCurrentThread();
-  return Java_LocationSettings_areAllLocationSettingsEnabled(env);
-}
-
-// Register native methods
-
-bool AppGoogleLocationSettingsHelper::Register(JNIEnv* env) {
-  return RegisterNativesImpl(env);
-}