Simplify Android geolocation permission checks

chrome/android/shell/chrome_shell_google_location_settings_helper.h

 // 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.
 
 #ifndef CHROME_ANDROID_SHELL_CHROME_SHELL_GOOGLE_LOCATION_SETTINGS_HELPER_H_
 #define CHROME_ANDROID_SHELL_CHROME_SHELL_GOOGLE_LOCATION_SETTINGS_HELPER_H_
 
 #include "chrome/browser/android/google_location_settings_helper.h"
 
 // Stub implementation of GoogleLocationSettingsHelper for testshell.
 class ChromeShellGoogleLocationSettingsHelper
     : public GoogleLocationSettingsHelper {
  public:
   // GoogleLocationSettingsHelper implementation:
-  virtual std::string GetAcceptButtonLabel(bool allow) OVERRIDE;
-  virtual void ShowGoogleLocationSettings() OVERRIDE;
-  virtual bool IsMasterLocationSettingEnabled() OVERRIDE;
-  virtual bool IsGoogleAppsLocationSettingEnabled() OVERRIDE;
-  virtual bool IsAllowLabel() OVERRIDE;
+  virtual bool IsSystemLocationEnabled() OVERRIDE;
 
  protected:
   ChromeShellGoogleLocationSettingsHelper();
   virtual ~ChromeShellGoogleLocationSettingsHelper();
 
  private:
   friend class GoogleLocationSettingsHelper;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeShellGoogleLocationSettingsHelper);
 };
 
 #endif  // CHROME_ANDROID_SHELL_CHROME_SHELL_GOOGLE_LOCATION_SETTINGS_HELPER_H_