New pyauto downloads tests.
New pyauto downloads tests.

New functional tests to test pause/resume/cancel downloads and more.

Review URL: http://codereview.chromium.org/3163036

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@57332 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