Adding webdriver setup script.

tools/testing/perf_testing/buildbot_browser_test_setup.sh

Index: tools/testing/perf_testing/buildbot_browser_test_setup.sh
===================================================================
--- tools/testing/perf_testing/buildbot_browser_test_setup.sh	(revision 4633)
+++ tools/testing/perf_testing/buildbot_browser_test_setup.sh	(working copy)
@@ -4,11 +4,13 @@
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
 
-# Run to install the necessary components to run webdriver on the buildbots.
+# Run to install the necessary components to run webdriver on the buildbots or
+# on your local machine.
 # NOTE: YOU WILL NEED TO RUN THIS SCRIPT AS ROOT IN ORDER FOR IT TO SUCCESSFULLY
 # INSTALL COMPONENTS.
 
 curl http://python-distribute.org/distribute_setup.py | sudo python
 curl https://raw.github.com/pypa/pip/master/contrib/get-pip.py | sudo python
 pip install -U selenium
-wget -O - http://releases.mozilla.org/pub/mozilla.org/firefox/releases/8.0.1/linux-x86_64/en-US/firefox-8.0.1.tar.bz2 | tar -C ~ -jxv
+curl http://selenium.googlecode.com/files/selenium-server-standalone-2.15.0.jar > selenium-server-standalone-2.15.0.jar

[Jennifer Messerly, 2012/02/28 16:56:56]

perhaps curl -o? e.g.
curl -o selenium-server-standalone-2.15.0.jar
http://selenium.googlecode.com/files/selenium-server-standalone-2.15.0.jar

+wget -O - http://releases.mozilla.org/pub/mozilla.org/firefox/releases/latest/linux-x86_64/en-US/firefox-10.0.2.tar.bz2 | tar -C ~ -jxv

[Jennifer Messerly, 2012/02/28 16:56:56]

this could probably be curl too, for consistency.