Revert of Rename Heap to ThreadHeap

third_party/WebKit/Source/core/svg/SVGElementRareData.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/svg/SVGElementRareData.h"
 
 #include "core/css/CSSCursorImageValue.h"
 #include "core/css/resolver/StyleResolver.h"
 #include "core/dom/Document.h"
 #include "core/svg/SVGCursorElement.h"
@@ skipping 28 matching lines @@
     visitor->trace(m_animatedSMILStyleProperties);
     visitor->trace(m_elementInstances);
     visitor->trace(m_correspondingElement);
     visitor->trace(m_owner);
     visitor->template registerWeakMembers<SVGElementRareData, &SVGElementRareData::processWeakMembers>(this);
 }
 
 void SVGElementRareData::processWeakMembers(Visitor* visitor)
 {
     ASSERT(m_owner);
-    if (!ThreadHeap::isHeapObjectAlive(m_cursorElement))
+    if (!Heap::isHeapObjectAlive(m_cursorElement))
         m_cursorElement = nullptr;
 
-    if (!ThreadHeap::isHeapObjectAlive(m_cursorImageValue)) {
+    if (!Heap::isHeapObjectAlive(m_cursorImageValue)) {
         // The owning SVGElement is still alive and if it is pointing to an SVGCursorElement
         // we unregister it when the CSSCursorImageValue dies.
         if (m_cursorElement) {
             m_cursorElement->removeReferencedElement(m_owner);
             m_cursorElement = nullptr;
         }
         m_cursorImageValue = nullptr;
     }
-    ASSERT(!m_cursorElement || ThreadHeap::isHeapObjectAlive(m_cursorElement));
-    ASSERT(!m_cursorImageValue || ThreadHeap::isHeapObjectAlive(m_cursorImageValue));
+    ASSERT(!m_cursorElement || Heap::isHeapObjectAlive(m_cursorElement));
+    ASSERT(!m_cursorImageValue || Heap::isHeapObjectAlive(m_cursorImageValue));
 }
 
 AffineTransform* SVGElementRareData::animateMotionTransform()
 {
     return &m_animateMotionTransform;
 }
 
 } // namespace blink