drive: Move IsDriveEnabled() and DisableDrive() to DriveSystemService

chrome/browser/chromeos/gdata/drive_system_service.h

 // Copyright (c) 2012 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_CHROMEOS_GDATA_DRIVE_SYSTEM_SERVICE_H_
 #define CHROME_BROWSER_CHROMEOS_GDATA_DRIVE_SYSTEM_SERVICE_H_
 
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
@@ skipping 34 matching lines @@
   DriveWebAppsRegistry* webapps_registry() { return webapps_registry_.get(); }
 
   // Clears all the local cache files and in-memory data, and remounts the file
   // system.
   void ClearCacheAndRemountFileSystem(
       const base::Callback<void(bool)>& callback);
 
   // ProfileKeyedService override:
   virtual void Shutdown() OVERRIDE;
 
+  // Returns true if Drive is enabled for the specified profile.
+  // Must be called on UI thread.
+  static bool IsDriveEnabled(Profile* profile);
+
  private:
   explicit DriveSystemService(Profile* profile);
   virtual ~DriveSystemService();
 
   // Initializes the object. This function should be called before any
   // other functions.
   void Initialize(DriveServiceInterface* drive_service,
                   const FilePath& cache_root);
 
   // Registers remote file system proxy for drive mount point.
@@ skipping 62 matching lines @@
   virtual ~DriveSystemServiceFactory();
 
   // ProfileKeyedServiceFactory:
   virtual ProfileKeyedService* BuildServiceInstanceFor(
       Profile* profile) const OVERRIDE;
 };
 
 }  // namespace gdata
 
 #endif  // CHROME_BROWSER_CHROMEOS_GDATA_DRIVE_SYSTEM_SERVICE_H_