Detach Event Listener Properties before moving Node.

third_party/WebKit/Source/core/frame/EventHandlerRegistry.cpp

Index: third_party/WebKit/Source/core/frame/EventHandlerRegistry.cpp
diff --git a/third_party/WebKit/Source/core/frame/EventHandlerRegistry.cpp b/third_party/WebKit/Source/core/frame/EventHandlerRegistry.cpp
index 407f5384f073aebe4447f6dca71a40c70fd7f13e..c02a63b4a28359edc2a26b5800de8834a265dc08 100644
--- a/third_party/WebKit/Source/core/frame/EventHandlerRegistry.cpp
+++ b/third_party/WebKit/Source/core/frame/EventHandlerRegistry.cpp
@@ -187,14 +187,6 @@ void EventHandlerRegistry::didMoveOutOfFrameHost(EventTarget& target) {
   didRemoveAllEventHandlers(target);
 }
 
-void EventHandlerRegistry::didMoveBetweenFrameHosts(EventTarget& target,
-                                                    FrameHost* oldFrameHost,
-                                                    FrameHost* newFrameHost) {
-  ASSERT(newFrameHost != oldFrameHost);
-  oldFrameHost->eventHandlerRegistry().didMoveOutOfFrameHost(target);
-  newFrameHost->eventHandlerRegistry().didMoveIntoFrameHost(target);
-}
-
 void EventHandlerRegistry::didRemoveAllEventHandlers(EventTarget& target) {
   for (size_t i = 0; i < EventHandlerClassCount; ++i) {
     EventHandlerClass handlerClass = static_cast<EventHandlerClass>(i);