fails to compile on linux kernel 3.0+

[GoogleCodeExporter]

What steps will reproduce the problem?
1. Compile on a linux 3.0+ kernel host

What is the expected output? What do you see instead?
________ running '/usr/bin/python2.6 src/build/gyp_chromium' in 
'/tmp/portage/www-apache/mod_pagespeed-9999-r1/work'
Updating projects from gyp files...
Traceback (most recent call last):
  File "src/build/gyp_chromium", line 24, in <module>
    execfile(os.path.join(chrome_src, 'build', 'gyp_chromium'))
  File "src/third_party/chromium/src/build/gyp_chromium", line 170, in <module>
    sys.exit(gyp.main(args))
  File "/tmp/portage/www-apache/mod_pagespeed-9999-r1/work/src/tools/gyp/pylib/gyp/__init__.py", line 323, in main
    'sunos5':   'make',}[sys.platform] ]
KeyError: 'linux3'

What version of the product are you using (please check X-Mod-Pagespeed
header)?
HEAD

On what operating system?
Linux

Which version of Apache?
2.2

Which MPM?
prefork

Please provide any additional information below, especially a URL or an
HTML file that exhibits the problem.

This is fixed on a later version of chromium
See:
http://code.google.com/p/chromium/issues/detail?id=85845

Original issue reported on code.google.com by kor...@gmail.com on 26 Jan 2012 at 8:54