Increase the default quota for extensions to 1GB.
Increase the default quota for extensions to 1GB.

TEST=none
BUG=27688


Review URL: http://codereview.chromium.org/650061

git-svn-id: http://src.chromium.org/svn/trunk/src@39520 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: d216ef3505f65368ab19253e22fd9bde43877f35
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