(1) If you create tabs and manage to resize the window before the pending layout occurs, you get truncated tabs (As described in issue 6505). Upon resize therefore we reset the reserved width for  tabs.
(1) If you create tabs and manage to resize the window before the
pending layout occurs, you get truncated tabs (As described in
issue 6505). Upon resize therefore we reset the reserved width for 
tabs.

(2) When inserting a tab as the second-to-last tab, the size
of tabs was incorrect. This lead to shriking tabs in multiple
cases (as described in issue 3258).
BUG=6505
BUG=3258

Patch contributed by Itai Danan <idanana@google.com>


git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@8496 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