Make history page more responsive by rendering items incrementally instead of wiping out the page multiple times.
Make history page more responsive by rendering items incrementally instead of wiping out the page multiple times.

Code review 501044
BUG=30020
TEST=Navigate through history to make sure it still works.  On windows, have a spares history with multiple days, and click one of the first entries while the rest are still loading and make sure the click is not lost.


git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@34908 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