Automatically exclude *_win_browsertest.* from non-Windows builds.

chrome/chrome_tests.gypi

 # 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.
 {
   'variables' : {
     'pyautolib_sources': [
       'app/chrome_command_ids.h',
       'app/chrome_dll_resource.h',
       'common/automation_constants.h',
       'common/pref_names.cc',
@@ skipping 1948 matching lines @@
             'browser/ui/views/frame/immersive_mode_controller_ash_browsertest.cc',
           ],
         }, { # else: OS != "win"
           'sources!': [
             'app/chrome_command_ids.h',
             'app/chrome_dll.rc',
             'app/chrome_dll_resource.h',
             'app/chrome_version.rc.version',
             # TODO(port): http://crbug.com/45770
             'browser/printing/printing_layout_browsertest.cc',
-            'browser/ui/views/app_list/app_list_controller_win_browsertest.cc',
-            'browser/user_data_dir_extractor_win_browsertest.cc',
           ],
         }],
         ['toolkit_uses_gtk == 1', {
           'dependencies': [
             '../build/linux/system.gyp:gtk',
           ],
         }],
         ['toolkit_uses_gtk == 1 or chromeos==1 or (OS=="linux" and use_aura==1)', {
           'dependencies': [
             '../build/linux/system.gyp:ssl',
@@ skipping 1407 matching lines @@
               # more details.
               'DebugInformationFormat': '3',
               'ProgramDataBaseFileName': '<(PRODUCT_DIR)/browser_tests.exe.pdb',
             },
           },
         },
       ],
     }],
   ],  # 'conditions'
 }