Merge 163945 "Fix assertion failure in FormAssociatedElement::fo..."

Source/core/html/HTMLFormElement.cpp

Index: Source/core/html/HTMLFormElement.cpp
===================================================================
--- Source/core/html/HTMLFormElement.cpp	(revision 164444)
+++ Source/core/html/HTMLFormElement.cpp	(working copy)
@@ -754,7 +754,7 @@
         return;
     PastNamesMap::iterator end = m_pastNamesMap->end();
     for (PastNamesMap::iterator it = m_pastNamesMap->begin(); it != end; ++it) {
-        if (it->value.get() == &element) {
+        if (it->value == &element) {
             it->value = 0;
             // Keep looping. Single element can have multiple names.
         }