Add a metric to Chrome to measure fragmentation of chrome.dll at startup.BUG=98033TEST=None

chrome/chrome_tests.gypi

 # Copyright (c) 2011 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',
@@ skipping 1274 matching lines @@
         'browser/extensions/file_reader_unittest.cc',
         'browser/extensions/image_loading_tracker_unittest.cc',
         'browser/extensions/in_memory_extension_settings_storage_unittest.cc',
         'browser/extensions/key_identifier_conversion_views_unittest.cc',
         'browser/extensions/sandboxed_extension_unpacker_unittest.cc',
         'browser/extensions/user_script_listener_unittest.cc',
         'browser/extensions/user_script_master_unittest.cc',
         'browser/external_protocol/external_protocol_handler_unittest.cc',
         'browser/favicon/favicon_handler_unittest.cc',
         'browser/first_run/first_run_unittest.cc',
+        'browser/fragmentation_checker_unittest_win.cc',
         'browser/geolocation/chrome_geolocation_permission_context_unittest.cc',
         'browser/geolocation/geolocation_settings_state_unittest.cc',
         'browser/geolocation/wifi_data_provider_unittest_chromeos.cc',
         'browser/global_keyboard_shortcuts_mac_unittest.mm',
         'browser/google/google_update_settings_unittest.cc',
         'browser/google/google_url_tracker_unittest.cc',
         'browser/history/expire_history_backend_unittest.cc',
         'browser/history/history_backend_unittest.cc',
         'browser/history/history_querying_unittest.cc',
         'browser/history/history_types_unittest.cc',
@@ skipping 2674 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'
 }