Drive: Mount/Unmount GoogleDrive on Files App when the file system is mounted/unmounted.

chrome/browser/chromeos/gdata/gdata_file_system.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_GDATA_FILE_SYSTEM_H_
 #define CHROME_BROWSER_CHROMEOS_GDATA_GDATA_FILE_SYSTEM_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 99 matching lines @@
   virtual void RequestDirectoryRefresh(
       const FilePath& file_path) OVERRIDE;
   virtual void GetAvailableSpace(
       const GetAvailableSpaceCallback& callback) OVERRIDE;
   virtual void AddUploadedFile(UploadMode upload_mode,
                                const FilePath& virtual_dir_path,
                                scoped_ptr<DocumentEntry> entry,
                                const FilePath& file_content_path,
                                GDataCache::FileOperationType cache_operation,
                                const base::Closure& callback) OVERRIDE;
+  virtual void AddDriveMountPoint() OVERRIDE;
+  virtual void RemoveDriveMountPoint() OVERRIDE;
 
   // content::NotificationObserver implementation.
   virtual void Observe(int type,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) OVERRIDE;
 
   // Used in tests to load the root feed from the cache.
   void LoadRootFeedFromCacheForTesting();
 
  private:
@@ skipping 522 matching lines @@
 
   // Callback for handling root directory refresh from the cache.
   void OnProtoLoaded(LoadRootFeedParams* params);
 
   // Save filesystem as proto file.
   void SaveFileSystemAsProto();
 
   // Notifies events to observers on UI thread.
   void NotifyDirectoryChanged(const FilePath& directory_path);
   void NotifyDocumentFeedFetched(int num_accumulated_entries);
+  void NotifyFileSystemMounted();
+  void NotifyFileSystemUnmounting();
 
   // Runs the callback and notifies that the initial load is finished.
   void RunAndNotifyInitialLoadFinished(
     const FindEntryCallback& callback,
     GDataFileError error,
     GDataEntry* entry);
 
   // Helper function that completes bookkeeping tasks related to
   // completed file transfer.
   void OnTransferCompleted(
@@ skipping 258 matching lines @@
   base::WeakPtr<GDataFileSystem> ui_weak_ptr_;
 
   ObserverList<Observer> observers_;
 
   scoped_refptr<base::SequencedTaskRunner> blocking_task_runner_;
 };
 
 }  // namespace gdata
 
 #endif  // CHROME_BROWSER_CHROMEOS_GDATA_GDATA_FILE_SYSTEM_H_