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

chrome/browser/android/app_google_location_settings_helper.h

-// 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.
-
-#ifndef CHROME_BROWSER_ANDROID_APP_GOOGLE_LOCATION_SETTINGS_HELPER_H_
-#define CHROME_BROWSER_ANDROID_APP_GOOGLE_LOCATION_SETTINGS_HELPER_H_
-
-#include "base/android/jni_weak_ref.h"
-#include "base/android/scoped_java_ref.h"
-#include "base/memory/scoped_ptr.h"
-#include "chrome/browser/android/google_location_settings_helper.h"
-
-// This class is needed to fetch the current location setting and provide it to
-// the location infobar.
-// TODO(newt): merge this class with GoogleLocationSettingsHelper
-class AppGoogleLocationSettingsHelper : public GoogleLocationSettingsHelper {
- public:
-  AppGoogleLocationSettingsHelper();
-  ~AppGoogleLocationSettingsHelper() override;
-
-  static bool Register(JNIEnv* env);
-
-  // GoogleLocationSettingsHelper implementation:
-  bool IsSystemLocationEnabled() override;
-
- private:
-  friend class GoogleLocationSettingsHelper;
-
-  DISALLOW_COPY_AND_ASSIGN(AppGoogleLocationSettingsHelper);
-};
-
-#endif  // CHROME_BROWSER_ANDROID_APP_GOOGLE_LOCATION_SETTINGS_HELPER_H_