drive: Rename 'gdata' namespace to 'drive' in chrome/browser/chromeos/drive

chrome/browser/chromeos/drive/drive_protocol_handler.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_DRIVE_PROTOCOL_HANDLER_H_
 #define CHROME_BROWSER_CHROMEOS_DRIVE_DRIVE_PROTOCOL_HANDLER_H_
 
 #include "net/url_request/url_request_job_factory.h"
 
-namespace gdata {
+namespace drive {
 
 class DriveProtocolHandler : public net::URLRequestJobFactory::ProtocolHandler {
  public:
   DriveProtocolHandler();
   virtual ~DriveProtocolHandler();
   // Creates URLRequestJobs for drive:// URLs.
   virtual net::URLRequestJob* MaybeCreateJob(
       net::URLRequest* request,
       net::NetworkDelegate* network_delegate) const OVERRIDE;
 };
 
-}  // namespace gdata
+}  // namespace drive
 
 #endif  // CHROME_BROWSER_CHROMEOS_DRIVE_DRIVE_PROTOCOL_HANDLER_H_