[oilpan] Rename visit to mark.

Source/heap/ThreadState.cpp

Index: Source/heap/ThreadState.cpp
diff --git a/Source/heap/ThreadState.cpp b/Source/heap/ThreadState.cpp
index 827ae1f6501db8b1d70df858ea9eac3381299bc2..0afdfcf1190a71e5373a727f432cf1ce9a3c60bc 100644
--- a/Source/heap/ThreadState.cpp
+++ b/Source/heap/ThreadState.cpp
@@ -309,7 +309,7 @@ void ThreadState::visitStack(Visitor* visitor)
 {
     Address* end = reinterpret_cast<Address*>(m_startOfStack);
     for (Address* current = reinterpret_cast<Address*>(m_endOfStack); current < end; ++current) {
-        Heap::checkAndVisitPointer(visitor, *current);
+        Heap::checkAndMarkPointer(visitor, *current);
     }
 }
 
@@ -367,14 +367,14 @@ bool ThreadState::contains(Address address)
     return heapPageFromAddress(address);
 }
 
-bool ThreadState::checkAndVisitPointer(Visitor* visitor, Address address)
+bool ThreadState::checkAndMarkPointer(Visitor* visitor, Address address)
 {
     BaseHeapPage* page = heapPageFromAddress(address);
     if (page)
-        return page->checkAndVisitPointer(visitor, address);
+        return page->checkAndMarkPointer(visitor, address);
     // Not in heap pages, check large objects
     for (int i = 0; i < NumberOfHeaps; i++) {
-        if (m_heaps[i]->checkAndVisitLargeHeapObjects(visitor, address))
+        if (m_heaps[i]->checkAndMarkLargeHeapObjects(visitor, address))
             return true;
     }
     return false;