Build fix: altbase.h inclusion in hang_monitor
Build fix: altbase.h inclusion in hang_monitor

r8020 tickled an issue by removing altbase.h from a header file where it
shouldn't have been needed.

Review URL: http://codereview.chromium.org/18228


git-svn-id: http://src.chromium.org/svn/trunk/src@8022 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: a5bb7c4d7ac2e3529d188ade0027c57e64a6308c
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