Linux: import new xdg-settings to improve the default browser checking. BUG=20413 TEST=none
Linux: import new xdg-settings to improve the default browser checking.
BUG=20413
TEST=none

Review URL: http://codereview.chromium.org/194047

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@25676 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