Support GrabWindowSnapshot with no g_browser_process

ui/ui.gyp

 # 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.
 
 {
   'variables': {
     'chromium_code': 1,
   },
   'includes': [
     'ui_resources.gypi',
@@ skipping 449 matching lines @@
         'gfx/transform_util.h',
         'gfx/video_decode_acceleration_support_mac.h',
         'gfx/video_decode_acceleration_support_mac.mm',
         'ui_controls/ui_controls.h',
         'ui_controls/ui_controls_aura.cc',
         'ui_controls/ui_controls_internal_win.h',
         'ui_controls/ui_controls_internal_win.cc',
         'ui_controls/ui_controls_gtk.cc',
         'ui_controls/ui_controls_mac.mm',
         'ui_controls/ui_controls_win.cc',
+        'window_snapshot/window_snapshot_aura.cc',
+        'window_snapshot/window_snapshot_gtk.cc',
+        'window_snapshot/window_snapshot_mac.mm',
+        'window_snapshot/window_snapshot_win.cc',
       ],
       'conditions': [
         ['OS!="ios"', {
           'dependencies': [
             '<(libjpeg_gyp_path):libjpeg',
           ],
         }],
         # TODO(asvitkine): Switch all platforms to use canvas_skia.cc.
         #                  http://crbug.com/105550
         ['use_canvas_skia==1', {
@@ skipping 21 matching lines @@
             ['exclude', 'base/win/mouse_wheel_util.h'],
             ['exclude', 'base/work_area_watcher_observer.h'],
             ['exclude', 'base/x/active_window_watcher_x.cc'],
             ['exclude', 'base/x/active_window_watcher_x.h'],
             ['exclude', 'base/x/active_window_watcher_x_observer.h'],
             ['exclude', 'base/x/root_window_property_watcher_x.cc'],
             ['exclude', 'base/x/root_window_property_watcher_x.h'],
             ['exclude', 'base/x/work_area_watcher_x.cc'],
             ['exclude', 'base/x/work_area_watcher_x.h'],
             ['exclude', 'ui_controls_win.cc'],
+            ['exclude', 'window_snapshot/window_snapshot_win.cc'],
            ],
         }, {  # use_aura!=1
           'sources!': [
             'base/cursor/cursor.cc',
             'base/cursor/cursor.h',
             'base/cursor/cursor_win.cc',
             'base/cursor/cursor_x11.cc',
             'base/native_theme/native_theme_aura.cc',
             'base/native_theme/native_theme_aura.h',
           ]
@@ skipping 270 matching lines @@
                 'shutil.copyfile(\'<(ui_copy_target)\', \'<(ui_copy_dest)\'); ' \
                 'os.chmod(\'<(ui_copy_dest)\', 0700)'
               ]
             }
           ],
         },
       ],
     }],
   ],
 }