https://bugs.webkit.org/show_bug.cgi?id=113337

Reviewed by Abhishek Arya and Alexey Proskuryakov.

Source/WebCore: 

Use RefPtr instead of raw pointer in m_associatedFormControls.

* dom/Document.cpp:
(WebCore::Document::didAssociateFormControlsTimerFired):
* dom/Document.h:
(Document):
* loader/EmptyClients.h:
(WebCore::EmptyChromeClient::didAssociateFormControls):
* page/ChromeClient.h:
(WebCore::ChromeClient::didAssociateFormControls):

Source/WebKit/chromium: 

* src/ChromeClientImpl.cpp:
(WebKit::ChromeClientImpl::didAssociateFormControls):
* src/ChromeClientImpl.h:
(ChromeClientImpl):


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@146935 268f45cc-cd09-0410-ab3c-d52691b4dbfc