Unreviewed, rolling out r106935.

Unreviewed, rolling out r106935.
http://trac.webkit.org/changeset/106935
https://bugs.webkit.org/show_bug.cgi?id=77994

"Crashes runMultiThread webkit_unit_test" (Requested by tonyg-
cr on #webkit).

Patch by Sheriff Bot <webkit.review.bot@gmail.com> on 2012-02-07

Source/WebCore:

* platform/graphics/chromium/cc/CCLayerTreeHost.cpp:
(WebCore::CCLayerTreeHost::setNeedsRedraw):
* platform/graphics/chromium/cc/CCSingleThreadProxy.cpp:
(WebCore::CCSingleThreadProxy::setNeedsRedraw):
* platform/graphics/chromium/cc/CCThreadProxy.cpp:
(WebCore::CCThreadProxy::setNeedsRedraw):
* platform/graphics/chromium/cc/CCThreadProxy.h:
(CCThreadProxy):

Source/WebKit/chromium:

* public/WebWidget.h:
(WebWidget):
* src/WebViewImpl.cpp:
* src/WebViewImpl.h:
(WebViewImpl):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@106951 268f45cc-cd09-0410-ab3c-d52691b4dbfc