Make sure extensions work in single process mode.
Make sure extensions work in single process mode.

BUG=42236
TEST=Start chrome with --single-process. Bookmark manager should still wok.

Review URL: http://codereview.chromium.org/1704005

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@45261 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