GitLab

Moves the web_contents from SearchViewController to SearchTabHelper.
This allows each NTP tab to hold its own state.

BUG=133529
TEST=Manual tests, create two new tabs, change one.  Observe differences between the two.
R=sky@chromium.org


Review URL: https://chromiumcodereview.appspot.com/10827055

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@149332 0039d316-1c4b-4281-b951-d872f2087c98