[Sync] Simplify GetSessionName interface

chrome/chrome_tests.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.
 {
   'variables' : {
     'pyautolib_sources': [
       'app/chrome_command_ids.h',
       'app/chrome_dll_resource.h',
       'common/automation_constants.h',
       'common/pref_names.cc',
@@ skipping 1774 matching lines @@
         'browser/sync/profile_sync_test_util.h',
         'browser/sync/sync_global_error_unittest.cc',
         'browser/sync/sync_prefs_unittest.cc',
         'browser/sync/sync_setup_wizard_unittest.cc',
         'browser/sync/sync_ui_util_mac_unittest.mm',
         'browser/sync/sync_ui_util_unittest.cc',
         'browser/sync/test_profile_sync_service.cc',
         'browser/sync/test_profile_sync_service.h',
         'browser/sync/test/test_http_bridge_factory.cc',
         'browser/sync/test/test_http_bridge_factory.h',
-        'browser/sync/util/get_session_name_task_unittest.cc',
+        'browser/sync/util/get_session_name_unittest.cc',
         'browser/sync/util/nigori_unittest.cc',
         'browser/tab_contents/render_view_context_menu_unittest.cc',
         'browser/tab_contents/thumbnail_generator_unittest.cc',
         'browser/tabs/pinned_tab_codec_unittest.cc',
         'browser/tabs/pinned_tab_service_unittest.cc',
         'browser/tabs/pinned_tab_test_utils.cc',
         'browser/tabs/tab_strip_model_unittest.cc',
         'browser/tabs/tab_strip_selection_model_unittest.cc',
         'browser/tabs/test_tab_strip_model_delegate.cc',
         'browser/tabs/test_tab_strip_model_delegate.h',
@@ skipping 2898 matching lines @@
               # Use outputs of this action as inputs for the main target build.
               # Seems as a misnomer but makes this happy on Linux (scons).
               'process_outputs_as_sources': 1,
             },
           ],  # 'actions'
         },
       ]
     }],  # 'coverage!=0'
   ],  # 'conditions'
 }