Implemented GetWindowSnapshot on RenderViewImpl

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 314 matching lines @@
         'base/win/mouse_wheel_util.h',
         'base/win/scoped_ole_initializer.cc',
         'base/win/scoped_ole_initializer.h',
         'base/win/scoped_set_map_mode.h',
         'base/win/shell.cc',
         'base/win/shell.h',
         'base/win/singleton_hwnd.cc',
         'base/win/singleton_hwnd.h',
         'base/win/window_impl.cc',
         'base/win/window_impl.h',
+        'base/snapshot/snapshot.h',
+        'base/snapshot/snapshot_aura.cc',
+        'base/snapshot/snapshot_gtk.cc',
+        'base/snapshot/snapshot_mac.mm',
+        'base/snapshot/snapshot_win.cc',
         'base/work_area_watcher_observer.h',
         'base/x/active_window_watcher_x.cc',
         'base/x/active_window_watcher_x.h',
         'base/x/active_window_watcher_x_observer.h',
         'base/x/events_x.cc',
         'base/x/root_window_property_watcher_x.cc',
         'base/x/root_window_property_watcher_x.h',
         'base/x/valuators.cc',
         'base/x/valuators.h',
         'base/x/work_area_watcher_x.cc',
@@ skipping 545 matching lines @@
            },
            'dependencies': [
              '../base/base.gyp:base_java',
            ],
            'includes': [ '../build/java.gypi' ],
          },
        ],
     }],
   ],
 }