Oilpan: Prepare to move AXObjectCache to the heap

Source/modules/accessibility/AXObjectCacheImpl.cpp

Index: Source/modules/accessibility/AXObjectCacheImpl.cpp
diff --git a/Source/modules/accessibility/AXObjectCacheImpl.cpp b/Source/modules/accessibility/AXObjectCacheImpl.cpp
index 8f81924cd4f19c9feb9dadf1e4aaa64d6e0b3383..55e1ce3b03e346fb840a6e9ce62d0710534d7741 100644
--- a/Source/modules/accessibility/AXObjectCacheImpl.cpp
+++ b/Source/modules/accessibility/AXObjectCacheImpl.cpp
@@ -85,9 +85,9 @@ namespace blink {
 using namespace HTMLNames;
 
 // static
-PassOwnPtr<AXObjectCache> AXObjectCacheImpl::create(Document& document)
+PassOwnPtrWillBeRawPtr<AXObjectCache> AXObjectCacheImpl::create(Document& document)
 {
-    return adoptPtr(new AXObjectCacheImpl(document));
+    return adoptPtrWillBeNoop(new AXObjectCacheImpl(document));
 }
 
 AXObjectCacheImpl::AXObjectCacheImpl(Document& document)
@@ -99,6 +99,10 @@ AXObjectCacheImpl::AXObjectCacheImpl(Document& document)
 
 AXObjectCacheImpl::~AXObjectCacheImpl()

[haraken, 2015/04/28 10:45:21]

Can we insert an ASSERT to verify that dispose() has been called?

[keishi, 2015/05/28 06:49:15]

Done.

 {
+}
+
+void AXObjectCacheImpl::dispose()
+{
     m_notificationPostTimer.stop();
 
     HashMap<AXID, RefPtr<AXObject>>::iterator end = m_objects.end();