Only enable the sse2 flags when building Chromium
Only enable the sse2 flags when building Chromium

BUG=9007

Review URL: http://codereview.chromium.org/113487


git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@16506 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser