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

Source/core/accessibility/AccessibilityNodeObject.cpp

Index: Source/core/accessibility/AccessibilityNodeObject.cpp
diff --git a/Source/core/accessibility/AccessibilityNodeObject.cpp b/Source/core/accessibility/AccessibilityNodeObject.cpp
index 6af3d644c2f85254f5ffe8377882038236587f59..becc0c1ac64a4c35d09a973715d1deaadf8be90b 100644
--- a/Source/core/accessibility/AccessibilityNodeObject.cpp
+++ b/Source/core/accessibility/AccessibilityNodeObject.cpp
@@ -183,7 +183,7 @@ AccessibilityRole AccessibilityNodeObject::determineAccessibilityRole()
     if (node()->hasTagName(buttonTag))
         return buttonRoleType();
     if (node()->hasTagName(inputTag)) {
-        HTMLInputElement* input = static_cast<HTMLInputElement*>(node());
+        Handle<HTMLInputElement> input(static_cast<HTMLInputElement*>(node()));
         if (input->isCheckbox())
             return CheckBoxRole;
         if (input->isRadioButton())
@@ -202,7 +202,7 @@ AccessibilityRole AccessibilityNodeObject::determineAccessibilityRole()
         return TextFieldRole;
     }
     if (node()->hasTagName(selectTag)) {
-        HTMLSelectElement* selectElement = toHTMLSelectElement(node());
+        Handle<HTMLSelectElement> selectElement = toHTMLSelectElement(node());
         return selectElement->multiple() ? ListBoxRole : PopUpButtonRole;
     }
     if (node()->hasTagName(textareaTag))
@@ -534,7 +534,7 @@ bool AccessibilityNodeObject::isInputImage() const
         return false;
 
     if (roleValue() == ButtonRole && node->hasTagName(inputTag)) {
-        HTMLInputElement* input = static_cast<HTMLInputElement*>(node);
+        Handle<HTMLInputElement> input(static_cast<HTMLInputElement*>(node));
         return input->isImageButton();
     }
 
@@ -596,7 +596,7 @@ bool AccessibilityNodeObject::isNativeCheckboxOrRadio() const
     if (!node)
         return false;
 
-    HTMLInputElement* input = node->toInputElement();
+    Handle<HTMLInputElement> input = node->toInputElement();
     if (input)
         return input->isCheckbox() || input->isRadioButton();
 
@@ -616,7 +616,7 @@ bool AccessibilityNodeObject::isNativeImage() const
         return true;
 
     if (node->hasTagName(inputTag)) {
-        HTMLInputElement* input = static_cast<HTMLInputElement*>(node);
+        Handle<HTMLInputElement> input(static_cast<HTMLInputElement*>(node));
         return input->isImageButton();
     }
 
@@ -633,7 +633,7 @@ bool AccessibilityNodeObject::isNativeTextControl() const
         return true;
 
     if (node->hasTagName(inputTag)) {
-        HTMLInputElement* input = static_cast<HTMLInputElement*>(node);
+        Handle<HTMLInputElement> input(static_cast<HTMLInputElement*>(node));
         return input->isText() || input->isNumberField();
     }
 
@@ -649,7 +649,7 @@ bool AccessibilityNodeObject::isPasswordField() const
     if (ariaRoleAttribute() != UnknownRole)
         return false;
 
-    HTMLInputElement* inputElement = node->toInputElement();
+    Handle<HTMLInputElement> inputElement = node->toInputElement();
     if (!inputElement)
         return false;
 
@@ -667,7 +667,7 @@ bool AccessibilityNodeObject::isSearchField() const
     if (!node)
         return false;
 
-    HTMLInputElement* inputElement = node->toInputElement();
+    Handle<HTMLInputElement> inputElement = node->toInputElement();
     if (!inputElement)
         return false;
 
@@ -703,7 +703,7 @@ bool AccessibilityNodeObject::isChecked() const
         return false;
 
     // First test for native checkedness semantics
-    HTMLInputElement* inputElement = node->toInputElement();
+    Handle<HTMLInputElement> inputElement = node->toInputElement();
     if (inputElement)
         return inputElement->shouldAppearChecked();
 
@@ -737,7 +737,7 @@ bool AccessibilityNodeObject::isIndeterminate() const
     if (!node)
         return false;
 
-    HTMLInputElement* inputElement = node->toInputElement();
+    Handle<HTMLInputElement> inputElement = node->toInputElement();
     if (!inputElement)
         return false;
 
@@ -773,7 +773,7 @@ bool AccessibilityNodeObject::isReadOnly() const
         return static_cast<HTMLTextAreaElement*>(node)->isReadOnly();
 
     if (node->hasTagName(inputTag)) {
-        HTMLInputElement* input = static_cast<HTMLInputElement*>(node);
+        Handle<HTMLInputElement> input(static_cast<HTMLInputElement*>(node));
         if (input->isTextField())
             return input->isReadOnly();
     }
@@ -936,7 +936,7 @@ void AccessibilityNodeObject::colorValue(int& r, int& g, int& b) const
     if (!node() || !node()->hasTagName(inputTag))
         return;
 
-    HTMLInputElement* input = static_cast<HTMLInputElement*>(node());
+    Handle<HTMLInputElement> input(static_cast<HTMLInputElement*>(node()));
     const AtomicString& type = input->getAttribute(typeAttr);
     if (!equalIgnoringCase(type, "color"))
         return;
@@ -959,7 +959,7 @@ String AccessibilityNodeObject::valueDescription() const
 float AccessibilityNodeObject::valueForRange() const
 {
     if (node() && node()->hasTagName(inputTag)) {
-        HTMLInputElement* input = static_cast<HTMLInputElement*>(node());
+        Handle<HTMLInputElement> input(static_cast<HTMLInputElement*>(node()));
         if (input->isRangeControl())
             return input->valueAsNumber();
     }
@@ -973,7 +973,7 @@ float AccessibilityNodeObject::valueForRange() const
 float AccessibilityNodeObject::maxValueForRange() const
 {
     if (node() && node()->hasTagName(inputTag)) {
-        HTMLInputElement* input = static_cast<HTMLInputElement*>(node());
+        Handle<HTMLInputElement> input(static_cast<HTMLInputElement*>(node()));
         if (input->isRangeControl())
             return input->maximum();
     }
@@ -987,7 +987,7 @@ float AccessibilityNodeObject::maxValueForRange() const
 float AccessibilityNodeObject::minValueForRange() const
 {
     if (node() && node()->hasTagName(inputTag)) {
-        HTMLInputElement* input = static_cast<HTMLInputElement*>(node());
+        Handle<HTMLInputElement> input(static_cast<HTMLInputElement*>(node()));
         if (input->isRangeControl())
             return input->minimum();
     }
@@ -1056,7 +1056,7 @@ String AccessibilityNodeObject::stringValue() const
         return textUnderElement();
 
     if (node->hasTagName(selectTag)) {
-        HTMLSelectElement* selectElement = toHTMLSelectElement(node);
+        Handle<HTMLSelectElement> selectElement = toHTMLSelectElement(node);
         int selectedIndex = selectElement->selectedIndex();
         const Vector<HTMLElement*> listItems = selectElement->listItems();
         if (selectedIndex >= 0 && static_cast<size_t>(selectedIndex) < listItems.size()) {
@@ -1207,7 +1207,7 @@ String AccessibilityNodeObject::title() const
 
     bool isInputTag = node->hasTagName(inputTag);
     if (isInputTag) {
-        HTMLInputElement* input = static_cast<HTMLInputElement*>(node);
+        Handle<HTMLInputElement> input(static_cast<HTMLInputElement*>(node));
         if (input->isTextButton())
             return input->valueWithDefault();
     }
@@ -1463,9 +1463,9 @@ Element* AccessibilityNodeObject::actionElement() const
         return 0;
 
     if (node->hasTagName(inputTag)) {
-        HTMLInputElement* input = static_cast<HTMLInputElement*>(node);
+        Handle<HTMLInputElement> input(static_cast<HTMLInputElement*>(node));
         if (!input->isDisabledFormControl() && (isCheckboxOrRadio() || input->isTextButton()))
-            return input;
+            return input.raw();
     } else if (node->hasTagName(buttonTag))
         return toElement(node);
 
@@ -1740,7 +1740,7 @@ void AccessibilityNodeObject::visibleText(Vector<AccessibilityText>& textOrder)
 
     bool isInputTag = node->hasTagName(inputTag);
     if (isInputTag) {
-        HTMLInputElement* input = static_cast<HTMLInputElement*>(node);
+        Handle<HTMLInputElement> input(static_cast<HTMLInputElement*>(node));
         if (input->isTextButton()) {
             textOrder.append(AccessibilityText(input->valueWithDefault(), VisibleText));
             return;