Fixed user feedback crash on parameter check (std exception was thrown).
Fixed user feedback crash on parameter check (std exception was thrown).


BUG=chromium-os:6543
TEST=make sure chrome:bugreport does not throw exception

Review URL: http://codereview.chromium.org/3405037

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@60732 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