drive: Rename drive::DriveFileSystemTest to drive::FileSystemTest

chrome/browser/chromeos/drive/file_system_proxy.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_DRIVE_FILE_SYSTEM_PROXY_H_
 #define CHROME_BROWSER_CHROMEOS_DRIVE_FILE_SYSTEM_PROXY_H_
 
 #include "chrome/browser/chromeos/drive/file_errors.h"
 #include "webkit/fileapi/remote_file_system_proxy.h"
 
 namespace fileapi {
 class FileSystemURL;
 }
 
 namespace drive {
 
 class FileSystemInterface;
 class ResourceEntry;
 
 typedef std::vector<ResourceEntry> ResourceEntryVector;
 
-// Implementation of File API's remote file system proxy for Drive file system.
+// Implementation of File API's remote file system proxy for Drive-backed
+// file system.
 class FileSystemProxy : public fileapi::RemoteFileSystemProxyInterface {
  public:
   using fileapi::RemoteFileSystemProxyInterface::OpenFileCallback;
 
   // |file_system| is the FileSystem instance owned by DriveIntegrationService.
   explicit FileSystemProxy(FileSystemInterface* file_system);
 
   // Detaches this instance from |file_system_|.
   // Method calls may result in no-op after calling this method.
   // This method must be called on UI thread.
@@ skipping 64 matching lines @@
  protected:
   virtual ~FileSystemProxy();
 
  private:
   // Checks if a given |url| belongs to this file system. If it does,
   // the call will return true and fill in |file_path| with a file path of
   // a corresponding element within this file system.
   static bool ValidateUrl(const fileapi::FileSystemURL& url,
                           base::FilePath* file_path);
 
-  // Helper method to call methods of DriveFilesSystem. This method aborts
+  // Helper method to call methods of FileSystem. This method aborts
   // method calls in case DetachFromFileSystem() has been called.
   void CallFileSystemMethodOnUIThread(const base::Closure& method_call);
 
   // Used to implement CallFileSystemMethodOnUIThread.
   void CallFileSystemMethodOnUIThreadInternal(
       const base::Closure& method_call);
 
   // Helper callback for relaying reply for status callbacks to the
   // calling thread.
   void OnStatusCallback(
@@ skipping 87 matching lines @@
 
   // Returns |file_system_| on UI thread.
   FileSystemInterface* GetFileSystemOnUIThread();
 
   FileSystemInterface* file_system_;
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_DRIVE_FILE_SYSTEM_PROXY_H_