Warmup DOMView so that the 1st time menu open is fast.  DOMViewCache caches one instance for current profile. It  delets and creates new one if profile is switched.
Warmup DOMView so that the 1st time menu open is fast.
 DOMViewCache caches one instance for current profile. It
 delets and creates new one if profile is switched.

BUG=chromium-os:6497
TEST=none

Review URL: http://codereview.chromium.org/3778001

git-svn-id: http://src.chromium.org/svn/trunk/src@62479 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: d2fa7b8e0b894ff8803118d76bdf9dafcce7df25
meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser