bindings: Moves toV8 and v8SetReturnValue out to ToV8.h and V8Binding.h.

Source/bindings/core/v8/custom/V8EventTargetCustom.cpp

Index: Source/bindings/core/v8/custom/V8EventTargetCustom.cpp
diff --git a/Source/bindings/core/v8/custom/V8EventTargetCustom.cpp b/Source/bindings/core/v8/custom/V8EventTargetCustom.cpp
index 85ad9c1b0274819f7a53abeeb4806c786b27dce9..e49d1da5be0a0a93614eb3d6f4b59a7f1e64c423 100644
--- a/Source/bindings/core/v8/custom/V8EventTargetCustom.cpp
+++ b/Source/bindings/core/v8/custom/V8EventTargetCustom.cpp
@@ -32,24 +32,9 @@
 #include "bindings/core/v8/V8EventTarget.h"
 
 #include "bindings/core/v8/V8Window.h"
-#include "core/EventTargetNames.h"
 
 namespace blink {
 
-v8::Handle<v8::Value> toV8(EventTarget* impl, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
-{
-    if (UNLIKELY(!impl))
-        return v8::Null(isolate);
-
-    if (impl->interfaceName() == EventTargetNames::DOMWindow)
-        return toV8(static_cast<DOMWindow*>(impl), creationContext, isolate);
-
-    v8::Local<v8::Value> wrapper = DOMDataStore::getWrapper(impl, isolate);
-    if (!wrapper.IsEmpty())
-        return wrapper;
-    return impl->wrap(creationContext, isolate);
-}
-
 void V8EventTarget::addEventListenerMethodEpilogueCustom(const v8::FunctionCallbackInfo<v8::Value>& info, EventTarget* impl)
 {
     if (info.Length() >= 2 && info[1]->IsObject() && !impl->toNode())