Strip .plugin off of Mac plugin names when showing the crash info bar.

BUG=21029
TEST=Kill a plugin process; the plugin crash info bar shouldn't have ".plugin" in the plugin name.

Review URL: http://codereview.chromium.org/197018

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@25487 0039d316-1c4b-4281-b951-d872f2087c98
4 files changed