Oilpan: Prepare moving AXObject to heap

Source/modules/accessibility/AXInlineTextBox.cpp

Index: Source/modules/accessibility/AXInlineTextBox.cpp
diff --git a/Source/modules/accessibility/AXInlineTextBox.cpp b/Source/modules/accessibility/AXInlineTextBox.cpp
index 61f2b2a303089289a251352dd9577d4160b4d169..ebae7ab2fe6137868f9412541bc8169da395f488 100644
--- a/Source/modules/accessibility/AXInlineTextBox.cpp
+++ b/Source/modules/accessibility/AXInlineTextBox.cpp
@@ -45,15 +45,9 @@ AXInlineTextBox::AXInlineTextBox(PassRefPtr<AbstractInlineTextBox> inlineTextBox
 {
 }
 
-AXInlineTextBox::~AXInlineTextBox()
+PassRefPtrWillBeRawPtr<AXInlineTextBox> AXInlineTextBox::create(PassRefPtr<AbstractInlineTextBox> inlineTextBox, AXObjectCacheImpl* axObjectCache)
 {
-    if (m_axObjectCache && m_inlineTextBox)
-        m_axObjectCache->remove(m_inlineTextBox.get());
-}
-
-PassRefPtr<AXInlineTextBox> AXInlineTextBox::create(PassRefPtr<AbstractInlineTextBox> inlineTextBox, AXObjectCacheImpl* axObjectCache)
-{
-    return adoptRef(new AXInlineTextBox(inlineTextBox, axObjectCache));
+    return adoptRefWillBeNoop(new AXInlineTextBox(inlineTextBox, axObjectCache));
 }
 
 void AXInlineTextBox::init()
@@ -63,7 +57,6 @@ void AXInlineTextBox::init()
 void AXInlineTextBox::detach()
 {
     m_inlineTextBox = nullptr;
-    m_axObjectCache = 0;
     AXObject::detach();
 }