REGRESSION(r143981): Crash in WebFrameLoaderClient::dispatchDidStartProvisionalLoad()
https://bugs.webkit.org/show_bug.cgi?id=110848

Reviewed by Ryosuke Niwa.

NULL-check the result of document->documentElement().

* WebProcess/WebCoreSupport/WebFrameLoaderClient.cpp:
(WebKit::WebFrameLoaderClient::dispatchDidStartProvisionalLoad):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@144011 268f45cc-cd09-0410-ab3c-d52691b4dbfc
Coordinated Graphics: remove redundant update of non compositing layer.
https://bugs.webkit.org/show_bug.cgi?id=110444

Patch by Huang Dongsung <luxtella@company100.net> on 2013-02-25
Reviewed by Noam Rosenthal.

Currently, we update non compositing layer when the page scrolled. However, it
is not needed, because TiledBackingStore can scroll without tile update.

* WebProcess/WebPage/CoordinatedGraphics/CoordinatedLayerTreeHost.cpp:
(WebKit::CoordinatedLayerTreeHost::scrollNonCompositedContents):
* WebProcess/WebPage/CoordinatedGraphics/CoordinatedLayerTreeHost.h:
(CoordinatedLayerTreeHost):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@144012 268f45cc-cd09-0410-ab3c-d52691b4dbfc
Unreviewed chromium test expectations update.

* platform/chromium/TestExpectations:

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@144013 268f45cc-cd09-0410-ab3c-d52691b4dbfc
Another fix attempt after r143991 since having \r? after a greedy match doesn't help.

* Scripts/webkitpy/common/checkout/scm/svn.py:
(SVN.value_from_svn_info):


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@144014 268f45cc-cd09-0410-ab3c-d52691b4dbfc