Added window manager graphics performance tests to gl_Bench.

client/deps/glbench/src/xlib_window.cc

 // Copyright (c) 2010 The Chromium OS 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 "base/logging.h"
 #include "main.h"
 #include "xlib_window.h"
 
 
 Display *g_xlib_display = NULL;
 Window g_xlib_window = 0;
 
-GLint g_width = 512;
-GLint g_height = 512;
+GLint g_width = WINDOW_WIDTH;
+GLint g_height = WINDOW_HEIGHT;
 bool g_override_redirect = true;
 
 
 bool XlibInit() {
   g_xlib_display = XOpenDisplay(0);
   if (!g_xlib_display)
     return false;
 
   int screen = DefaultScreen(g_xlib_display);
   Window root_window = RootWindow(g_xlib_display, screen);
@@ skipping 23 matching lines @@
   XSync(g_xlib_display, True);
 
   XGetWindowAttributes(g_xlib_display, g_xlib_window, &attributes);
   g_width = attributes.width;
   g_height = attributes.height;
 
   XFree(xlib_visinfo);
 
   return true;
 }