Disable gcc 4.4 warnings about hash_map and hash_set being deprecated.
Disable gcc 4.4 warnings about hash_map and hash_set being
deprecated.

backward_warning.h in gcc 4.4.0 wraps the warning around an ifdef __DEPRECATED.

Review URL: http://codereview.chromium.org/67056


git-svn-id: http://src.chromium.org/svn/trunk/src@13599 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 797d285c080bbbc0a1b1880c0ca26bcbf0aab6db
meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser