Add ui::GrabDesktopSnapshot for Windows.

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 271 matching lines @@
         '../components/autofill/browser/test_autofill_manager_delegate.h',
 
         '../ui/gfx/image/image_unittest_util.h',
         '../ui/gfx/image/image_unittest_util.cc',
         '../webkit/quota/mock_quota_manager.cc',
         '../webkit/quota/mock_quota_manager.h',
       ],
       'conditions': [
         ['OS!="ios"', {
           'dependencies': [
+            'cloud_policy_proto',

[grt (UTC plus 2), 2013/04/17 16:58:17]

This dependency is required to build this target due to
browser/policy/cloud/policy_builder.cc.

             'common/extensions/api/api.gyp:api',
             'plugin',
             'renderer',
             'utility',
             '../content/content.gyp:content_gpu',
             '../content/content.gyp:content_plugin',
             '../content/content.gyp:content_ppapi_plugin',
             '../content/content.gyp:content_renderer',
             '../content/content.gyp:content_utility',
             '../content/content.gyp:content_worker',
             '../ipc/ipc.gyp:test_support_ipc',
             '../ppapi/ppapi_internal.gyp:ppapi_shared',
             '../third_party/leveldatabase/leveldatabase.gyp:leveldatabase',
             '../ui/compositor/compositor.gyp:compositor_test_support',
+            '../ui/snapshot/snapshot.gyp:snapshot_test_support',
           ],
           'export_dependent_settings': [
             'renderer',
           ],
         }, {  # OS=="ios"
           'sources/': [
             # Exclude everything but iOS-specific files.
             ['exclude', '\\.(cc|mm)$'],
             ['include', '_ios\\.(cc|mm)$'],
             ['include', '(^|/)ios/'],
@@ skipping 2102 matching lines @@
               # more details.
               'DebugInformationFormat': '3',
               'ProgramDataBaseFileName': '<(PRODUCT_DIR)/unit_tests.exe.pdb',
             },
           },
         },
       ],
     }],
   ],  # 'conditions'
 }