Added unit test for the views::ProgressBar::AddProgress method.
Added unit test for the views::ProgressBar::AddProgress method.

BUG=37960
TEST=Run unit_tests.

Review URL: http://codereview.chromium.org/1216007

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@42731 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