Revert 49991 - Only copy libffmpegsumo if build_libffmpegsumo is 1.
Revert 49991 - Only copy libffmpegsumo if build_libffmpegsumo is 1.

BUG=none
TEST=Build with build_libffmpegsumo=0 in ~/.gyp/include.gypi. Build should give no errors.

Review URL: http://codereview.chromium.org/2839006

TBR=thakis@chromium.org
Review URL: http://codereview.chromium.org/2849009

git-svn-id: http://src.chromium.org/svn/trunk/src@49992 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 9ffe6b5fc9aa263dad40d15867bb6de69140248c
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