Add an option to run Chrome in the views desktop.

chrome/browser/ui/views/frame/browser_frame_gtk.cc

Index: chrome/browser/ui/views/frame/browser_frame_gtk.cc
===================================================================
--- chrome/browser/ui/views/frame/browser_frame_gtk.cc	(revision 89890)
+++ chrome/browser/ui/views/frame/browser_frame_gtk.cc	(working copy)
@@ -10,10 +10,12 @@
 #include "chrome/browser/themes/theme_service_factory.h"
 #include "chrome/browser/ui/status_bubble.h"
 #include "chrome/browser/ui/views/frame/app_panel_browser_frame_view.h"
+#include "chrome/browser/ui/views/frame/browser_frame_views.h"
 #include "chrome/browser/ui/views/frame/browser_non_client_frame_view.h"
 #include "chrome/browser/ui/views/frame/browser_view.h"
 #include "ui/gfx/font.h"
 #include "views/widget/root_view.h"
+#include "views/widget/widget.h"
 #include "views/window/hit_test.h"
 
 // static
@@ -89,6 +91,8 @@
 NativeBrowserFrame* NativeBrowserFrame::CreateNativeBrowserFrame(
     BrowserFrame* browser_frame,
     BrowserView* browser_view) {
+  if (views::Widget::IsPureViews())
+    return new BrowserFrameViews(browser_frame, browser_view);
   return new BrowserFrameGtk(browser_frame, browser_view);
 }