Remove Windows snapshot code.

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.
 {
   'variables': {
     'chrome_unit_tests_sources': [
       '../apps/saved_files_service_unittest.cc',
       '../components/autofill/content/renderer/test_password_autofill_agent.cc',
       '../components/autofill/content/renderer/test_password_autofill_agent.h',
       '../components/autofill/content/renderer/test_password_generation_agent.cc',
@@ skipping 1797 matching lines @@
             'browser/extensions/test_extension_prefs.h',
             'browser/extensions/test_extension_service.cc',
             'browser/extensions/test_extension_service.h',
             'browser/extensions/test_extension_system.cc',
             'browser/extensions/test_extension_system.h',
             'browser/media_galleries/media_galleries_test_util.cc',
             'browser/media_galleries/media_galleries_test_util.h',
           ],
         }],
         ['OS=="win"', {
-          'dependencies': [
-            '../ui/snapshot/snapshot.gyp:snapshot_test_support',
-          ],
           'include_dirs': [
             '<(DEPTH)/third_party/wtl/include',
           ],
           'conditions': [
             ['use_aura==1', {
               'dependencies': [
                 '../win8/win8.gyp:test_registrar_constants',
                 '../win8/win8.gyp:test_support_win8',
               ],
             }],
@@ skipping 1042 matching lines @@
               'dependencies': [
                 '../tools/xdisplaycheck/xdisplaycheck.gyp:xdisplaycheck',
               ],
             }],
           ],
         },
       ],
     }],
   ],  # 'conditions'
 }