Split gdata_file_system_interface.h from gdata_file_system.h

chrome/chrome_browser.gypi

 # 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.
 
 {
   'targets': [
     {
       'target_name': 'browser',
       'type': 'static_library',
@@ skipping 529 matching lines @@
         'browser/chromeos/gdata/gdata_db.h',
         'browser/chromeos/gdata/gdata_db_factory.cc',
         'browser/chromeos/gdata/gdata_db_factory.h',
         'browser/chromeos/gdata/gdata_documents_service.cc',
         'browser/chromeos/gdata/gdata_documents_service.h',
         'browser/chromeos/gdata/gdata_download_observer.cc',
         'browser/chromeos/gdata/gdata_download_observer.h',
         'browser/chromeos/gdata/gdata_errorcode.h',
         'browser/chromeos/gdata/gdata_file_system.cc',
         'browser/chromeos/gdata/gdata_file_system.h',
+        'browser/chromeos/gdata/gdata_file_system_interface.h',
         'browser/chromeos/gdata/gdata_file_system_proxy.cc',
         'browser/chromeos/gdata/gdata_file_system_proxy.h',
         'browser/chromeos/gdata/gdata_files.cc',
         'browser/chromeos/gdata/gdata_files.h',
         'browser/chromeos/gdata/gdata_leveldb.cc',
         'browser/chromeos/gdata/gdata_leveldb.h',
         'browser/chromeos/gdata/gdata_operation_registry.cc',
         'browser/chromeos/gdata/gdata_operation_registry.h',
         'browser/chromeos/gdata/gdata_operation_runner.cc',
         'browser/chromeos/gdata/gdata_operation_runner.h',
@@ skipping 4821 matching lines @@
         'browser/metrics/proto/study.proto',
       ],
       'variables': {
         'proto_in_dir': 'browser/metrics/proto',
         'proto_out_dir': 'chrome/browser/metrics/proto',
       },
       'includes': [ '../build/protoc.gypi' ]
     },
   ],
 }