https://bugs.webkit.org/show_bug.cgi?id=120138

Reviewed by Geoffrey Garen.

setButterfly becomes setStructureAndButterfly.

Also removed the Butterfly* argument from setStructure and just implicitly
used m_butterfly internally since that's what every single client of setStructure
was doing already.

* jit/JITStubs.cpp:
(JSC::DEFINE_STUB_FUNCTION):
* runtime/JSObject.cpp:
(JSC::JSObject::notifyPresenceOfIndexedAccessors):
(JSC::JSObject::createInitialUndecided):
(JSC::JSObject::createInitialInt32):
(JSC::JSObject::createInitialDouble):
(JSC::JSObject::createInitialContiguous):
(JSC::JSObject::createArrayStorage):
(JSC::JSObject::convertUndecidedToInt32):
(JSC::JSObject::convertUndecidedToDouble):
(JSC::JSObject::convertUndecidedToContiguous):
(JSC::JSObject::convertUndecidedToArrayStorage):
(JSC::JSObject::convertInt32ToDouble):
(JSC::JSObject::convertInt32ToContiguous):
(JSC::JSObject::convertInt32ToArrayStorage):
(JSC::JSObject::genericConvertDoubleToContiguous):
(JSC::JSObject::convertDoubleToArrayStorage):
(JSC::JSObject::convertContiguousToArrayStorage):
(JSC::JSObject::switchToSlowPutArrayStorage):
(JSC::JSObject::setPrototype):
(JSC::JSObject::putDirectAccessor):
(JSC::JSObject::seal):
(JSC::JSObject::freeze):
(JSC::JSObject::preventExtensions):
(JSC::JSObject::reifyStaticFunctionsForDelete):
(JSC::JSObject::removeDirect):
* runtime/JSObject.h:
(JSC::JSObject::setStructureAndButterfly):
(JSC::JSObject::setStructure):
(JSC::JSObject::putDirectInternal):
(JSC::JSObject::setStructureAndReallocateStorageIfNecessary):
(JSC::JSObject::putDirectWithoutTransition):
* runtime/Structure.cpp:
(JSC::Structure::flattenDictionaryStructure):


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@154426 268f45cc-cd09-0410-ab3c-d52691b4dbfc