Spin progress indicator while clearing data; use bindings.
Spin progress indicator while clearing data; use bindings.

BUG=http://crbug.com/20618
TEST=clear browsing data; ensure that spinner spins

Review URL: http://codereview.chromium.org/181026

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@25175 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