[oilpan] Completely move HTMLFormControlElement's hierarchy to the managed heap

Source/core/accessibility/AccessibilityRenderObject.cpp

Index: Source/core/accessibility/AccessibilityRenderObject.cpp
diff --git a/Source/core/accessibility/AccessibilityRenderObject.cpp b/Source/core/accessibility/AccessibilityRenderObject.cpp
index ac9835dba4f05f0e80e3f1aa7a6ef16bd7aca0f1..981f3433fc2074db4067bd831b0ecfdb73648f32 100644
--- a/Source/core/accessibility/AccessibilityRenderObject.cpp
+++ b/Source/core/accessibility/AccessibilityRenderObject.cpp
@@ -474,7 +474,7 @@ bool AccessibilityRenderObject::isAttachment() const
 bool AccessibilityRenderObject::isFileUploadButton() const
 {
     if (m_renderer && m_renderer->node() && m_renderer->node()->hasTagName(inputTag)) {
-        HTMLInputElement* input = static_cast<HTMLInputElement*>(m_renderer->node());
+        Handle<HTMLInputElement> input(static_cast<HTMLInputElement*>(m_renderer->node()));
         return input->isFileUpload();
     }
     
@@ -642,7 +642,7 @@ String AccessibilityRenderObject::stringValue() const
     if (cssBox && cssBox->isMenuList()) {
         // RenderMenuList will go straight to the text() of its selected item.
         // This has to be overridden in the case where the selected item has an ARIA label.
-        HTMLSelectElement* selectElement = toHTMLSelectElement(m_renderer->node());
+        Handle<HTMLSelectElement> selectElement = toHTMLSelectElement(m_renderer->node());
         int selectedIndex = selectElement->selectedIndex();
         const Vector<HTMLElement*> listItems = selectElement->listItems();
         if (selectedIndex >= 0 && static_cast<size_t>(selectedIndex) < listItems.size()) {
@@ -833,7 +833,7 @@ void AccessibilityRenderObject::addRadioButtonGroupMembers(AccessibilityChildren
     if (!node || !node->hasTagName(inputTag))
         return;
     
-    HTMLInputElement* input = static_cast<HTMLInputElement*>(node);
+    Handle<HTMLInputElement> input(static_cast<HTMLInputElement*>(node));
     // if there's a form, then this is easy
     if (input->form()) {
         Vector<RefPtr<Node> > formElements;
@@ -850,9 +850,9 @@ void AccessibilityRenderObject::addRadioButtonGroupMembers(AccessibilityChildren
         unsigned len = list->length();
         for (unsigned i = 0; i < len; ++i) {
             if (list->item(i)->hasTagName(inputTag)) {
-                HTMLInputElement* associateElement = static_cast<HTMLInputElement*>(list->item(i));
+                Handle<HTMLInputElement> associateElement(static_cast<HTMLInputElement*>(list->item(i)));
                 if (associateElement->isRadioButton() && associateElement->name() == input->name()) {
-                    if (AccessibilityObject* object = axObjectCache()->getOrCreate(associateElement))
+                    if (AccessibilityObject* object = axObjectCache()->getOrCreate(associateElement.raw()))
                         linkedUIElements.append(object);
                 }
             }
@@ -1274,7 +1274,7 @@ String AccessibilityRenderObject::selectedText() const
         return String(); // need to return something distinct from empty string
     
     if (isNativeTextControl()) {
-        HTMLTextFormControlElement* textControl = toRenderTextControl(m_renderer)->textFormControlElement();
+        Handle<HTMLTextFormControlElement> textControl = toRenderTextControl(m_renderer)->textFormControlElement();
         return textControl->selectedText();
     }
     
@@ -1308,7 +1308,7 @@ PlainTextRange AccessibilityRenderObject::selectedTextRange() const
     
     AccessibilityRole ariaRole = ariaRoleAttribute();
     if (isNativeTextControl() && ariaRole == UnknownRole) {
-        HTMLTextFormControlElement* textControl = toRenderTextControl(m_renderer)->textFormControlElement();
+        Handle<HTMLTextFormControlElement> textControl = toRenderTextControl(m_renderer)->textFormControlElement();
         return PlainTextRange(textControl->selectionStart(), textControl->selectionEnd() - textControl->selectionStart());
     }
     
@@ -1321,7 +1321,7 @@ PlainTextRange AccessibilityRenderObject::selectedTextRange() const
 void AccessibilityRenderObject::setSelectedTextRange(const PlainTextRange& range)
 {
     if (isNativeTextControl()) {
-        HTMLTextFormControlElement* textControl = toRenderTextControl(m_renderer)->textFormControlElement();
+        Handle<HTMLTextFormControlElement> textControl = toRenderTextControl(m_renderer)->textFormControlElement();
         textControl->setSelectionRange(range.start, range.start + range.length);
         return;
     }
@@ -1682,7 +1682,7 @@ VisiblePosition AccessibilityRenderObject::visiblePositionForIndex(int index) co
 int AccessibilityRenderObject::indexForVisiblePosition(const VisiblePosition& pos) const
 {
     if (isNativeTextControl()) {
-        HTMLTextFormControlElement* textControl = toRenderTextControl(m_renderer)->textFormControlElement();
+        Handle<HTMLTextFormControlElement> textControl = toRenderTextControl(m_renderer)->textFormControlElement();
         return textControl->indexForVisiblePosition(pos);
     }
 
@@ -2017,7 +2017,7 @@ AccessibilityObject* AccessibilityRenderObject::accessibilityHitTest(const IntPo
         return accessibilityImageMapHitTest(static_cast<HTMLAreaElement*>(node), point);
     
     if (node->hasTagName(optionTag))
-        node = static_cast<HTMLOptionElement*>(node)->ownerSelectElement();
+        node = Handle<HTMLSelectElement>(static_cast<HTMLOptionElement*>(node)->ownerSelectElement()).raw();
     
     RenderObject* obj = node->renderer();
     if (!obj)
@@ -2280,7 +2280,7 @@ AccessibilityRole AccessibilityRenderObject::determineAccessibilityRole()
         return TextAreaRole;
 
     if (node && node->hasTagName(inputTag)) {
-        HTMLInputElement* input = static_cast<HTMLInputElement*>(node);
+        Handle<HTMLInputElement> input(static_cast<HTMLInputElement*>(node));
         if (input->isCheckbox())
             return CheckBoxRole;
         if (input->isRadioButton())
@@ -2559,7 +2559,7 @@ void AccessibilityRenderObject::addTextFieldChildren()
     if (!node || !node->hasTagName(inputTag))
         return;
     
-    HTMLInputElement* input = static_cast<HTMLInputElement*>(node);
+    Handle<HTMLInputElement> input(static_cast<HTMLInputElement*>(node));
     HTMLElement* spinButtonElement = input->innerSpinButtonElement();
     if (!spinButtonElement || !spinButtonElement->isSpinButtonElement())
         return;