Move xvfb. Add llvmpipe.so.

third_party/xvfb/building/fetch-source

 #!/bin/sh
 # 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.
 
 # This is here to record where we fetched the source packages.
-
 function getxfromy() {
   if [ \! -f "$1" ] ; then
-    wget "$2"/"$1"
+    wget -O "$1" "$2"/"${3-${1}}"
   fi
 }
 
 getxfromy util-macros-1.11.0.tar.gz \
           http://xorg.freedesktop.org/releases/individual/util
 
 getxfromy xproto-7.0.20.tar.gz \
           http://xorg.freedesktop.org/releases/individual/proto
 
 getxfromy dri2proto-2.3.tar.gz \
           http://xorg.freedesktop.org/releases/individual/proto
 
 getxfromy xcb-proto-1.6.tar.gz \
           http://xorg.freedesktop.org/releases/individual/xcb
 
 getxfromy libXfont-1.4.3.tar.gz \
           http://xorg.freedesktop.org/releases/individual/lib
 
 getxfromy libxkbfile-1.0.7.tar.gz \
           http://xorg.freedesktop.org/releases/individual/lib
 
 getxfromy xorg-server-1.9.3.901.tar.gz \
           http://xorg.freedesktop.org/releases/individual/xserver
 
 getxfromy libdrm-2.4.26.tar.gz http://dri.freedesktop.org/libdrm
-getxfromy MesaGLUT-7.11.tar.gz ftp://ftp.freedesktop.org/pub/mesa/7.11
-getxfromy MesaLib-7.11.tar.gz ftp://ftp.freedesktop.org/pub/mesa/7.11
+
 getxfromy libXmu-1.0.5.tar.gz http://ftp.x.org/pub/individual/lib
+
+mesa=${MESA_VER-8.0.1}
+getxfromy MesaLib-${mesa}.tar.gz ftp://ftp.freedesktop.org/pub/mesa/${mesa}