Simplify Android geolocation permission checks

chrome/android/shell/chrome_shell_google_location_settings_helper.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 "chrome/android/shell/chrome_shell_google_location_settings_helper.h"
 
 // Factory function
 GoogleLocationSettingsHelper* GoogleLocationSettingsHelper::Create() {
   return new ChromeShellGoogleLocationSettingsHelper();
 }
 
 ChromeShellGoogleLocationSettingsHelper::
     ChromeShellGoogleLocationSettingsHelper()
     : GoogleLocationSettingsHelper() {
 }
 
 ChromeShellGoogleLocationSettingsHelper::
     ~ChromeShellGoogleLocationSettingsHelper() {
 }
 
-std::string ChromeShellGoogleLocationSettingsHelper::GetAcceptButtonLabel(
-    bool allow) {
-  return "Allow";
-}
-
-void ChromeShellGoogleLocationSettingsHelper::ShowGoogleLocationSettings() {
-}
-
-bool ChromeShellGoogleLocationSettingsHelper::
-    IsGoogleAppsLocationSettingEnabled() {
+bool ChromeShellGoogleLocationSettingsHelper::IsSystemLocationEnabled() {
   return true;
 }
-
-bool ChromeShellGoogleLocationSettingsHelper::IsMasterLocationSettingEnabled() {
-  return true;
-}
-
-bool ChromeShellGoogleLocationSettingsHelper::IsAllowLabel() {
-  return true;
-}