Remove almost all of Oilpan

sky/engine/core/frame/EventHandlerRegistry.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "config.h"
 #include "core/frame/EventHandlerRegistry.h"
 
 #include "core/events/ThreadLocalEventNames.h"
 #include "core/frame/LocalDOMWindow.h"
 #include "core/frame/LocalFrame.h"
@@ skipping 177 matching lines @@
     }
 }
 
 void EventHandlerRegistry::notifyDidAddOrRemoveEventHandlerTarget(EventHandlerClass handlerClass)
 {
     ScrollingCoordinator* scrollingCoordinator = m_frameHost.page().scrollingCoordinator();
     if (scrollingCoordinator && handlerClass == TouchEvent)
         scrollingCoordinator->touchEventTargetRectsDidChange();
 }
 
-void EventHandlerRegistry::trace(Visitor* visitor)
-{
-    visitor->registerWeakMembers<EventHandlerRegistry, &EventHandlerRegistry::clearWeakMembers>(this);
-}
-
-void EventHandlerRegistry::clearWeakMembers(Visitor* visitor)
-{
-    Vector<EventTarget*> deadTargets;
-    for (size_t i = 0; i < EventHandlerClassCount; ++i) {
-        EventHandlerClass handlerClass = static_cast<EventHandlerClass>(i);
-        const EventTargetSet* targets = &m_targets[handlerClass];
-        for (EventTargetSet::const_iterator it = targets->begin(); it != targets->end(); ++it) {
-            Node* node = it->key->toNode();
-            LocalDOMWindow* window = it->key->toDOMWindow();
-            if (node && !visitor->isAlive(node)) {
-                deadTargets.append(node);
-            } else if (window && !visitor->isAlive(window)) {
-                deadTargets.append(window);
-            }
-        }
-    }
-    for (size_t i = 0; i < deadTargets.size(); ++i)
-        didRemoveAllEventHandlers(*deadTargets[i]);
-}
-
 void EventHandlerRegistry::documentDetached(Document& document)
 {
     // Remove all event targets under the detached document.
     for (size_t handlerClassIndex = 0; handlerClassIndex < EventHandlerClassCount; ++handlerClassIndex) {
         EventHandlerClass handlerClass = static_cast<EventHandlerClass>(handlerClassIndex);
         Vector<EventTarget*> targetsToRemove;
         const EventTargetSet* targets = &m_targets[handlerClass];
         for (EventTargetSet::const_iterator iter = targets->begin(); iter != targets->end(); ++iter) {
             if (Node* node = iter->key->toNode()) {
                 if (node->document() == &document) {
@@ skipping 29 matching lines @@
                 ASSERT(window->frame());
                 ASSERT(window->frame()->host());
                 ASSERT(window->frame()->host() == &m_frameHost);
             }
         }
     }
 #endif // ENABLE(ASSERT)
 }
 
 } // namespace blink