Oilpan: move context menu providers to the heap.

Source/core/page/ContextMenuController.cpp

 /*
  * Copyright (C) 2006, 2007 Apple Inc. All rights reserved.
  * Copyright (C) 2010 Igalia S.L
  *
  * 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 44 matching lines @@
 {
 }
 
 PassOwnPtrWillBeRawPtr<ContextMenuController> ContextMenuController::create(Page* page, ContextMenuClient* client)
 {
     return adoptPtrWillBeNoop(new ContextMenuController(page, client));
 }
 
 void ContextMenuController::trace(Visitor* visitor)
 {
+    visitor->trace(m_menuProvider);
     visitor->trace(m_hitTestResult);
 }
 
 void ContextMenuController::clearContextMenu()
 {
     m_contextMenu.clear();
     if (m_menuProvider)
         m_menuProvider->contextMenuCleared();
     m_menuProvider = nullptr;
     m_client->clearContextMenu();
@@ skipping 33 matching lines @@
 
 void ContextMenuController::handleContextMenuEvent(Event* event)
 {
     m_contextMenu = createContextMenu(event);
     if (!m_contextMenu)
         return;
     populateCustomContextMenu(*event);
     showContextMenu(event);
 }
 
-void ContextMenuController::showContextMenu(Event* event, PassRefPtr<ContextMenuProvider> menuProvider)
+void ContextMenuController::showContextMenu(Event* event, PassRefPtrWillBeRawPtr<ContextMenuProvider> menuProvider)
 {
     m_menuProvider = menuProvider;
 
     m_contextMenu = createContextMenu(event);
     if (!m_contextMenu) {
         clearContextMenu();
         return;
     }
 
     m_menuProvider->populateContextMenu(m_contextMenu.get());
     showContextMenu(event);
 }
 
-void ContextMenuController::showContextMenuAtPoint(LocalFrame* frame, float x, float y, PassRefPtr<ContextMenuProvider> menuProvider)
+void ContextMenuController::showContextMenuAtPoint(LocalFrame* frame, float x, float y, PassRefPtrWillBeRawPtr<ContextMenuProvider> menuProvider)
 {
     m_menuProvider = menuProvider;
 
     LayoutPoint location(x, y);
     m_contextMenu = createContextMenu(frame, location);
     if (!m_contextMenu) {
         clearContextMenu();
         return;
     }
 
@@ skipping 39 matching lines @@
     ASSERT(item->type() == ActionType || item->type() == CheckableActionType);
 
     if (item->action() < ContextMenuItemBaseCustomTag || item->action() > ContextMenuItemLastCustomTag)
         return;
 
     ASSERT(m_menuProvider);
     m_menuProvider->contextMenuItemSelected(item);
 }
 
 } // namespace blink