file_manager: Stop mentioning about 'gdata' from file_manager code

chrome/browser/chromeos/extensions/file_manager/file_browser_private_api.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_EXTENSIONS_FILE_MANAGER_FILE_BROWSER_PRIVATE_API_H_
 #define CHROME_BROWSER_CHROMEOS_EXTENSIONS_FILE_MANAGER_FILE_BROWSER_PRIVATE_API_H_
 
 #include <map>
 #include <queue>
 #include <string>
@@ skipping 542 matching lines @@
   virtual ~PinDriveFileFunction();
 
   // AsyncExtensionFunction overrides.
   virtual bool RunImpl() OVERRIDE;
 
  private:
   // Callback for RunImpl().
   void OnPinStateSet(drive::FileError error);
 };
 
-// Get gdata files for the given list of file URLs. Initiate downloading of
-// gdata files if these are not cached. Return a list of local file names.
+// Get drive files for the given list of file URLs. Initiate downloading of
+// drive files if these are not cached. Return a list of local file names.
 // This function puts empty strings instead of local paths for files could
 // not be obtained. For instance, this can happen if the user specifies a new
-// file name to save a file on gdata. There may be other reasons to fail. The
+// file name to save a file on drive. There may be other reasons to fail. The
 // file manager should check if the local paths returned from getDriveFiles()
 // contain empty paths.
-// TODO(satorux): Should we propagate error types to the JavasScript layer?
+// TODO(satorux): Should we propagate error types to the JavaScript layer?
 class GetDriveFilesFunction : public FileBrowserFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("fileBrowserPrivate.getDriveFiles",
                              FILEBROWSERPRIVATE_GETDRIVEFILES)
 
   GetDriveFilesFunction();
 
  protected:
   virtual ~GetDriveFilesFunction();
 
@@ skipping 198 matching lines @@
 
   // AsyncExtensionFunction overrides.
   virtual bool RunImpl() OVERRIDE;
 
   // Received the cached auth token (if available) or the fetched one.
   void OnAccessTokenFetched(google_apis::GDataErrorCode code,
                             const std::string& access_token);
 };
 
 #endif  // CHROME_BROWSER_CHROMEOS_EXTENSIONS_FILE_MANAGER_FILE_BROWSER_PRIVATE_API_H_