Move color chooser objects to the Oilpan heap.

Source/web/ColorChooserPopupUIController.cpp

 /*
  * Copyright (C) 2012 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 37 matching lines @@
     : ColorChooserUIController(frame, client)
     , m_chromeClient(chromeClient)
     , m_client(client)
     , m_popup(0)
     , m_locale(Locale::defaultLocale())
 {
 }
 
 ColorChooserPopupUIController::~ColorChooserPopupUIController()
 {
+    closePopup();
+    // ~ColorChooserUIController ends the ColorChooser.
+}
+
+void ColorChooserPopupUIController::trace(Visitor* visitor)
+{
+    visitor->trace(m_client);
+    ColorChooserUIController::trace(visitor);
 }
 
 void ColorChooserPopupUIController::openUI()
 {
     if (m_client->shouldShowSuggestions())
         openPopup();
     else
         openColorChooser();
 }
 
 void ColorChooserPopupUIController::endChooser()
 {
     if (m_chooser)
         m_chooser->endChooser();
-    if (m_popup)
-        closePopup();
+
+    closePopup();
 }
 
 AXObject* ColorChooserPopupUIController::rootAXObject()
 {
     return m_popup ? m_popup->rootAXObject() : 0;
 }
 
 IntSize ColorChooserPopupUIController::contentSize()
 {
     return IntSize(0, 0);
@@ skipping 66 matching lines @@
 }
 
 void ColorChooserPopupUIController::closePopup()
 {
     if (!m_popup)
         return;
     m_chromeClient->closePagePopup(m_popup);
 }
 
 } // namespace blink