Add a COVERAGE=1 argument to the Linux scons build.  This compiles the object files with support for gcov.
Add a COVERAGE=1 argument to the Linux scons build.  This compiles the object files with support for gcov.

git-svn-id: http://src.chromium.org/svn/trunk/src@983 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 0984f130abfad01d53c1fcf8adb42e0fd7a7d3a7
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