Create fileapi/ subdirectory under c/b/cros/drive.

chrome/browser/chromeos/drive/fileapi/webkit_file_stream_writer_impl.h

 // Copyright 2013 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_WEBKIT_FILE_STREAM_WRITER_IMPL_H_
-#define CHROME_BROWSER_CHROMEOS_DRIVE_WEBKIT_FILE_STREAM_WRITER_IMPL_H_
+#ifndef CHROME_BROWSER_CHROMEOS_DRIVE_FILEAPI_WEBKIT_FILE_STREAM_WRITER_IMPL_H_
+#define CHROME_BROWSER_CHROMEOS_DRIVE_FILEAPI_WEBKIT_FILE_STREAM_WRITER_IMPL_H_
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "base/files/file.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "webkit/browser/fileapi/file_stream_writer.h"
 
 namespace base {
 class FilePath;
@@ skipping 57 matching lines @@
   // Note: This should remain the last member so it'll be destroyed and
   // invalidate the weak pointers before any other members are destroyed.
   base::WeakPtrFactory<WebkitFileStreamWriterImpl> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(WebkitFileStreamWriterImpl);
 };
 
 }  // namespace internal
 }  // namespace drive
 
-#endif  // CHROME_BROWSER_CHROMEOS_DRIVE_WEBKIT_FILE_STREAM_WRITER_IMPL_H_
+#endif  // CHROME_BROWSER_CHROMEOS_DRIVE_FILEAPI_WEBKIT_FILE_STREAM_WRITER_IMPL_H_