Rename EventContext to NodeEventContext.

Source/core/events/EventDispatcher.cpp

Index: Source/core/events/EventDispatcher.cpp
diff --git a/Source/core/events/EventDispatcher.cpp b/Source/core/events/EventDispatcher.cpp
index d41487a4972546d9eefd89f561e774d880d1a78d..055273ab566bd337eee234d1b57c6bc12f1277c0 100644
--- a/Source/core/events/EventDispatcher.cpp
+++ b/Source/core/events/EventDispatcher.cpp
@@ -108,7 +108,7 @@ bool EventDispatcher::dispatch()
     m_event->setTarget(EventPath::eventTargetRespectingTargetRules(m_node.get()));
     ASSERT(!NoEventDispatchAssertion::isEventDispatchForbidden());
     ASSERT(m_event->target());
-    WindowEventContext windowEventContext(m_event.get(), m_node.get(), topEventContext());
+    WindowEventContext windowEventContext(m_event.get(), m_node.get(), topNodeEventContext());
     InspectorInstrumentationCookie cookie = InspectorInstrumentation::willDispatchEvent(&m_node->document(), *m_event, windowEventContext.window(), m_node.get(), m_event->eventPath());
 
     void* preDispatchEventHandlerResult;
@@ -143,7 +143,7 @@ inline EventDispatchContinuation EventDispatcher::dispatchEventAtCapturing(Windo
         return DoneDispatching;
 
     for (size_t i = m_event->eventPath().size() - 1; i > 0; --i) {
-        const EventContext& eventContext = m_event->eventPath()[i];
+        const NodeEventContext& eventContext = m_event->eventPath()[i];
         if (eventContext.currentTargetSameAsTarget())
             continue;
         eventContext.handleLocalEvents(m_event.get());
@@ -166,7 +166,7 @@ inline void EventDispatcher::dispatchEventAtBubbling(WindowEventContext& windowC
     // Trigger bubbling event handlers, starting at the bottom and working our way up.
     size_t size = m_event->eventPath().size();
     for (size_t i = 1; i < size; ++i) {
-        const EventContext& eventContext = m_event->eventPath()[i];
+        const NodeEventContext& eventContext = m_event->eventPath()[i];
         if (eventContext.currentTargetSameAsTarget())
             m_event->setEventPhase(Event::AT_TARGET);
         else if (m_event->bubbles() && !m_event->cancelBubble())
@@ -217,7 +217,7 @@ inline void EventDispatcher::dispatchEventPostProcess(void* preDispatchEventHand
     }
 }
 
-const EventContext* EventDispatcher::topEventContext()
+const NodeEventContext* EventDispatcher::topNodeEventContext()
 {
     return m_event->eventPath().isEmpty() ? 0 : &m_event->eventPath().last();
 }