Implemented GetWindowSnapshot on RenderViewImpl

ui/ui_unittests.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.
 
 {
   'targets': [
     {
       'target_name': 'ui_test_support',
       'type': 'static_library',
       'dependencies': [
@@ skipping 99 matching lines @@
         'base/cocoa/focus_tracker_unittest.mm',
         'base/cocoa/fullscreen_window_manager_unittest.mm',
         'base/dialogs/select_file_dialog_win_unittest.cc',
         'base/events/event_dispatcher_unittest.cc',
         'base/events/event_unittest.cc',
         'base/gtk/gtk_expanded_container_unittest.cc',
         'base/gtk/gtk_im_context_util_unittest.cc',
         'base/gtk/menu_label_accelerator_util_unittest.cc',
         'base/models/list_model_unittest.cc',
         'base/models/tree_node_model_unittest.cc',
+        'base/snapshot/snapshot_mac_unittest.mm',
         'base/test/data/resource.h',
         'base/text/bytes_formatting_unittest.cc',
         'base/text/utf16_indexing_unittest.cc',
         'base/view_prop_unittest.cc',
         'gfx/blit_unittest.cc',
         'gfx/canvas_unittest.cc',
         'gfx/codec/jpeg_codec_unittest.cc',
         'gfx/color_analysis_unittest.cc',
         'gfx/font_list_unittest.cc',
         'gfx/image/image_mac_unittest.mm',
@@ skipping 160 matching lines @@
           'variables': {
             'test_suite_name': 'ui_unittests',
             'input_shlib_path': '<(SHARED_LIB_DIR)/<(SHARED_LIB_PREFIX)ui_unittests<(SHARED_LIB_SUFFIX)',
           },
           'includes': [ '../build/apk_test.gypi' ],
         },
       ],
     }],
   ],
 }