Add python-cherrypy3 build dependency for CNS.

build/install-build-deps.sh

 #!/bin/bash -e
 
 # Copyright (c) 2011 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.
 
 # Script to install everything needed to build chromium (well, ideally, anyway)
 # See http://code.google.com/p/chromium/wiki/LinuxBuildInstructions
 # and http://code.google.com/p/chromium/wiki/LinuxBuild64Bit
 
@@ skipping 92 matching lines @@
 
 # Packages need for development
 dev_list="apache2.2-bin bison curl elfutils fakeroot flex g++ gperf
           language-pack-fr libapache2-mod-php5 libasound2-dev libbz2-dev
           libcairo2-dev libcups2-dev libcurl4-gnutls-dev libdbus-glib-1-dev
           libelf-dev libgconf2-dev libgl1-mesa-dev libglib2.0-dev
           libglu1-mesa-dev libgnome-keyring-dev libgtk2.0-dev libjpeg62-dev
           libkrb5-dev libnspr4-dev libnss3-dev libpam0g-dev libsctp-dev
           libsqlite3-dev libssl-dev libwww-perl libxslt1-dev libxss-dev
           libxt-dev libxtst-dev mesa-common-dev msttcorefonts patch perl
-          php5-cgi pkg-config python python-dev python-psutil rpm ruby
-          subversion ttf-dejavu-core ttf-indic-fonts ttf-kochi-gothic
+          php5-cgi pkg-config python python-cherrypy3 python-dev python-psutil
+          rpm ruby subversion ttf-dejavu-core ttf-indic-fonts ttf-kochi-gothic
           ttf-kochi-mincho ttf-thai-tlwg wdiff
           $chromeos_dev_list"
 
 # Run-time libraries required by chromeos only
 chromeos_lib_list="libpulse0 libbz2-1.0 libcurl4-gnutls-dev"
 
 # Full list of required run-time libraries
 lib_list="libatk1.0-0 libc6 libasound2 libcairo2 libcups2 libdbus-glib-1-2
           libexpat1 libfontconfig1 libfreetype6 libglib2.0-0 libgnome-keyring0
           libgtk2.0-0 libpam0g libpango1.0-0 libpcre3 libpixman-1-0
@@ skipping 379 matching lines @@
              sed -e 's/[.]so[.][0-9].*/.so/' |
              sort -u); do
     [ "x${i##*/}" = "xld-linux.so" ] && continue
     [ -r "$i" ] && continue
     j="$(ls "$i."* | sed -e 's/.*[.]so[.]\([^.]*\)$/\1/;t;d' |
          sort -n | tail -n 1)"
     [ -r "$i.$j" ] || continue
     sudo ln -s "${i##*/}.$j" "$i"
   done
 fi