https://bugs.webkit.org/show_bug.cgi?id=94294

Reviewed by Filip Pizlo.

MarkStackThreadSharedData is soon going to have data to allow for a parallel copying
mode too, so to separate our concerns we should split it out into its own set of files
and rename it to GCThreadSharedData. For now this is purely a cosmetic refactoring.

* CMakeLists.txt:
* GNUmakefile.list.am:
* JavaScriptCore.vcproj/JavaScriptCore/JavaScriptCore.vcproj:
* JavaScriptCore.xcodeproj/project.pbxproj:
* Target.pri:
* heap/GCThreadSharedData.cpp: Added.
(JSC):
(JSC::GCThreadSharedData::resetChildren):
(JSC::GCThreadSharedData::childVisitCount):
(JSC::GCThreadSharedData::markingThreadMain):
(JSC::GCThreadSharedData::markingThreadStartFunc):
(JSC::GCThreadSharedData::GCThreadSharedData):
(JSC::GCThreadSharedData::~GCThreadSharedData):
(JSC::GCThreadSharedData::reset):
* heap/GCThreadSharedData.h: Added.
(JSC):
(GCThreadSharedData):
* heap/Heap.h:
(Heap):
* heap/ListableHandler.h:
(ListableHandler):
* heap/MarkStack.cpp:
(JSC::MarkStack::MarkStack):
(JSC::MarkStack::~MarkStack):
* heap/MarkStack.h:
(JSC):
(MarkStack):
(JSC::MarkStack::sharedData):
* heap/MarkStackInlineMethods.h: Added.
(JSC):
(JSC::MarkStack::append):
(JSC::MarkStack::appendUnbarrieredPointer):
(JSC::MarkStack::appendUnbarrieredValue):
(JSC::MarkStack::internalAppend):
(JSC::MarkStack::addWeakReferenceHarvester):
(JSC::MarkStack::addUnconditionalFinalizer):
(JSC::MarkStack::addOpaqueRoot):
(JSC::MarkStack::containsOpaqueRoot):
(JSC::MarkStack::opaqueRootCount):
* heap/SlotVisitor.h:
(JSC):
(SlotVisitor):
(JSC::SlotVisitor::SlotVisitor):


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@126354 268f45cc-cd09-0410-ab3c-d52691b4dbfc