GitLab

They payoff for the last month of refactoring: We now use the LinuxUI interface
to generate gtk file selection dialogs from the shim library. We could
theoretically make a Qt or EFL shim and get those desktops' native open
dialogs.

BUG=136909, 134167
TEST=none


Review URL: https://chromiumcodereview.appspot.com/10829021

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@148813 0039d316-1c4b-4281-b951-d872f2087c98