Oilpan: move custom element objects to the heap.

Source/core/dom/custom/CustomElementMicrotaskQueue.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 57 matching lines @@
     CustomElementMicrotaskQueue* m_queue;
 
     static MicrotaskQueueInvocationScope* s_top;
 #endif
 };
 
 #if !defined(NDEBUG)
 MicrotaskQueueInvocationScope* MicrotaskQueueInvocationScope::s_top = 0;
 #endif
 
-void CustomElementMicrotaskQueue::enqueue(PassOwnPtr<CustomElementMicrotaskStep> step)
+void CustomElementMicrotaskQueue::enqueue(PassOwnPtrWillBeRawPtr<CustomElementMicrotaskStep> step)
 {
     m_queue.append(step);
 }
 
 CustomElementMicrotaskStep::Result CustomElementMicrotaskQueue::dispatch()
 {
     MicrotaskQueueInvocationScope scope(this);
-    Vector<OwnPtr<CustomElementMicrotaskStep> > remaining;
+    WillBeHeapVector<OwnPtrWillBeMember<CustomElementMicrotaskStep> > remaining;
     Result accumulatedResult = CustomElementMicrotaskStep::ContinueWithRemoving;
 
     unsigned i;
     for (i = 0; i < m_queue.size(); ++i) {
         Result result = m_queue[i]->process();
         accumulatedResult = CustomElementMicrotaskStep::Result(result | accumulatedResult);
         if (result & CustomElementMicrotaskStep::ShouldRemain)
             remaining.append(m_queue[i].release());
         if (result & CustomElementMicrotaskStep::ShouldStop)
             break;
     }
 
     for (++i; i < m_queue.size(); ++i)
         remaining.append(m_queue[i].release());
     m_queue.swap(remaining);
 
     return accumulatedResult;
 }
 
 bool CustomElementMicrotaskQueue::needsProcessOrStop() const
 {
     for (size_t i = 0; i < m_queue.size(); ++i) {
         if (m_queue[i]->needsProcessOrStop())
             return true;
     }
 
     return false;
 }
 
+void CustomElementMicrotaskQueue::trace(Visitor* visitor)
+{
+    visitor->trace(m_queue);
+}
+
 #if !defined(NDEBUG)
 void CustomElementMicrotaskQueue::show(unsigned indent)
 {
     for (unsigned q = 0; q < m_queue.size(); ++q) {
         if (m_queue[q])
             m_queue[q]->show(indent);
         else
             fprintf(stderr, "%*snull\n", indent, "");
     }
 }
 #endif
 
 } // namespace WebCore