Fix several usages of the default locale in Java code.

BUG=316522
NOTRY=true

Review URL: https://codereview.chromium.org/187023003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@255043 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 255043
Add a fallback to mini_installer_tests' quit_chrome.py exit logic.

BUG=264859
TEST=chrome/test/mini_installer/test_installer.py
NOTRY=true

Review URL: https://codereview.chromium.org/187323004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@255044 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 255044