Implemented GetWindowSnapshot on RenderViewImpl

content/content_browser.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.
 
 {
   'variables': {
     'conditions': [
       ['chromeos==1', {
         'use_libgps%': 1,
       }, { # chromeos==0
@@ skipping 161 matching lines @@
     'public/browser/web_contents_user_data.h',
     'public/browser/web_contents_view.h',
     'public/browser/web_contents_view_delegate.h',
     'public/browser/web_drag_dest_delegate.h',
     'public/browser/web_intents_dispatcher.h',
     'public/browser/web_ui.h',
     'public/browser/web_ui_controller.cc',
     'public/browser/web_ui_controller.h',
     'public/browser/web_ui_controller_factory.h',
     'public/browser/web_ui_message_handler.h',
+    'public/browser/window_util.h',
     'public/browser/worker_service.h',
     'public/browser/worker_service_observer.h',
     'public/browser/zygote_host_linux.h',
     'browser/accessibility/browser_accessibility.cc',
     'browser/accessibility/browser_accessibility.h',
     'browser/accessibility/browser_accessibility_cocoa.h',
     'browser/accessibility/browser_accessibility_cocoa.mm',
     'browser/accessibility/browser_accessibility_delegate_mac.h',
     'browser/accessibility/browser_accessibility_gtk.cc',
     'browser/accessibility/browser_accessibility_gtk.h',
@@ skipping 644 matching lines @@
     'browser/web_contents/web_drag_dest_win.cc',
     'browser/web_contents/web_drag_dest_win.h',
     'browser/web_contents/web_drag_source_gtk.cc',
     'browser/web_contents/web_drag_source_gtk.h',
     'browser/web_contents/web_drag_source_mac.h',
     'browser/web_contents/web_drag_source_mac.mm',
     'browser/web_contents/web_drag_source_win.cc',
     'browser/web_contents/web_drag_source_win.h',
     'browser/web_contents/web_drag_utils_win.cc',
     'browser/web_contents/web_drag_utils_win.h',
+    'browser/window_util_aura.cc',
+    'browser/window_util_gtk.cc',
+    'browser/window_util_mac.mm',
+    'browser/window_util_win.cc',
     'browser/trace_controller_impl.cc',
     'browser/trace_controller_impl.h',
     'browser/trace_message_filter.cc',
     'browser/trace_message_filter.h',
     'browser/trace_subscriber_stdio.cc',
     'browser/trace_subscriber_stdio.h',
     'browser/user_metrics.cc',
     'browser/utility_process_host_impl.cc',
     'browser/utility_process_host_impl.h',
     'browser/webui/web_ui_impl.cc',
@@ skipping 278 matching lines @@
       # the USE_LIBGPS setting propagates to the "real" dependent target,
       # we use all_dependent_settings here.
       'all_dependent_settings': {
         'defines': [
           'USE_LIBGPS',
         ],
       },
     }],
   ],
 }