Use BubbleWindow for ChromeOS windows/dialogs.

chrome/browser/views/about_chrome_view.cc

Index: chrome/browser/views/about_chrome_view.cc
diff --git a/chrome/browser/views/about_chrome_view.cc b/chrome/browser/views/about_chrome_view.cc
index 03f96206f66680d63eef9509d6d1ea76244e1409..160cbf4329016896b243fea28227f70852ffa9d4 100644
--- a/chrome/browser/views/about_chrome_view.cc
+++ b/chrome/browser/views/about_chrome_view.cc
@@ -20,6 +20,7 @@
 #include "chrome/browser/platform_util.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/views/accessible_view_helper.h"
+#include "chrome/browser/views/window.h"
 #include "chrome/common/chrome_constants.h"
 #include "chrome/common/chrome_version_info.h"
 #include "chrome/common/pref_names.h"
@@ -81,7 +82,7 @@ namespace browser {
   views::Window* ShowAboutChromeView(gfx::NativeWindow parent,
                                      Profile* profile) {
       views::Window* about_chrome_window =
-        views::Window::CreateChromeWindow(parent,
+        browser::CreateViewsWindow(parent,
         gfx::Rect(),
         new AboutChromeView(profile));
       about_chrome_window->Show();