This adds in the ability for Chrome to generate windows with snapshots of all...

chrome/browser/chromeos/wm_ipc.cc

 // Copyright (c) 2010 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.
 
 #include "chrome/browser/chromeos/wm_ipc.h"
 
 #include <gdk/gdkx.h>
 extern "C" {
 #include <X11/Xlib.h>
 }
@@ skipping 66 matching lines @@
                           WindowType type,
                           const std::vector<int>* params) {
   std::vector<int> values;
   values.push_back(type);
   if (params)
     values.insert(values.end(), params->begin(), params->end());
   return SetIntProperty(x11_util::GetX11WindowFromGtkWidget(widget),
                         type_to_atom_[ATOM_CHROME_WINDOW_TYPE], values);
 }
 
-WmIpc::WindowType WmIpc::GetWindowType(GtkWidget* widget) {
-  int type;
-  if (x11_util::GetIntProperty(
+WmIpc::WindowType WmIpc::GetWindowType(GtkWidget* widget,
+                                       std::vector<int>* params) {
+  std::vector<int> properties;
+  if (x11_util::GetIntArrayProperty(
           x11_util::GetX11WindowFromGtkWidget(widget),
           atom_to_string_[type_to_atom_[ATOM_CHROME_WINDOW_TYPE]],
-          &type)) {
+          &properties)) {
+    int type = properties.front();
+    if (params) {
+      params->clear();
+      params->insert(params->begin(), properties.begin() + 1, properties.end());
+    }
     return static_cast<WindowType>(type);
   } else {
     return WINDOW_TYPE_UNKNOWN;
   }
 }
 
 void WmIpc::SendMessage(const Message& msg) {
   XEvent e;
   e.xclient.type = ClientMessage;
   e.xclient.window = wm_;
@@ skipping 144 matching lines @@
   // Let the window manager know which version of the IPC messages we support.
   Message msg(Message::WM_NOTIFY_IPC_VERSION);
   // TODO: The version number is the latest listed in wm_ipc.h --
   // ideally, once this header is shared between Chrome and the Chrome OS window
   // manager, we'll just define the version statically in the header.
   msg.set_param(0, 1);
   SendMessage(msg);
 }
 
 }  // namespace chromeos