Picasa import: Make NativeMediaFileUtil an AsyncFileUtil

chrome/chrome_tests_unit.gypi

 # Copyright 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': [
     {
       # This target contains mocks and test utilities that don't belong in
       # production libraries but are used by more than one test executable.
       'target_name': 'test_support_common',
       'type': 'static_library',
@@ skipping 260 matching lines @@
         '../components/autofill/browser/data_driven_test.h',
         '../components/autofill/browser/test_autofill_external_delegate.cc',
         '../components/autofill/browser/test_autofill_external_delegate.h',
         '../components/autofill/browser/test_autofill_manager_delegate.cc',
         '../components/autofill/browser/test_autofill_manager_delegate.h',
         '../components/autofill/browser/test_personal_data_manager.cc',
         '../components/autofill/browser/test_personal_data_manager.h',
 
         '../ui/gfx/image/image_unittest_util.h',
         '../ui/gfx/image/image_unittest_util.cc',
+        '../webkit/browser/fileapi/async_file_util_test_helper.h',
+        '../webkit/browser/fileapi/async_file_util_test_helper.cc',
         '../webkit/quota/mock_quota_manager.cc',
         '../webkit/quota/mock_quota_manager.h',
       ],
       'conditions': [
         ['OS!="ios"', {
           'dependencies': [
             'cloud_policy_proto',
             'common/extensions/api/api.gyp:api',
             'plugin',
             'renderer',
@@ skipping 2252 matching lines @@
               # more details.
               'DebugInformationFormat': '3',
               'ProgramDataBaseFileName': '<(PRODUCT_DIR)/unit_tests.exe.pdb',
             },
           },
         },
       ],
     }],
   ],  # 'conditions'
 }