Make DOMWrapperWorld::current() callable from workers

Source/bindings/v8/DOMWrapperWorld.cpp

Index: Source/bindings/v8/DOMWrapperWorld.cpp
diff --git a/Source/bindings/v8/DOMWrapperWorld.cpp b/Source/bindings/v8/DOMWrapperWorld.cpp
index 69dca91c87dac2fcccae8bf14e72e9683211faab..6001cd4ce66738bb963b6a9a057ee78707fb077d 100644
--- a/Source/bindings/v8/DOMWrapperWorld.cpp
+++ b/Source/bindings/v8/DOMWrapperWorld.cpp
@@ -41,12 +41,12 @@
 #include "bindings/v8/WrapperTypeInfo.h"
 #include "core/dom/ExecutionContext.h"
 #include "wtf/HashTraits.h"
-#include "wtf/MainThread.h"
 #include "wtf/StdLibExtras.h"
 
 namespace WebCore {
 
 unsigned DOMWrapperWorld::isolatedWorldCount = 0;
+DOMWrapperWorld* DOMWrapperWorld::worldOfInitializingWindow = 0;
 
 PassRefPtr<DOMWrapperWorld> DOMWrapperWorld::create(int worldId, int extensionGroup)
 {
@@ -60,14 +60,6 @@ DOMWrapperWorld::DOMWrapperWorld(int worldId, int extensionGroup)
 {
 }
 
-DOMWrapperWorld* DOMWrapperWorld::current(v8::Isolate* isolate)
-{
-    v8::Handle<v8::Context> context = isolate->GetCurrentContext();
-    if (context.IsEmpty() || !toDOMWindow(context))
-        return 0;
-    return world(context);
-}
-
 DOMWrapperWorld* DOMWrapperWorld::mainWorld()
 {
     ASSERT(isMainThread());
@@ -222,9 +214,4 @@ V8DOMActivityLogger* DOMWrapperWorld::activityLogger(int worldId)
     return it == loggers.end() ? 0 : it->value.get();
 }
 
-bool DOMWrapperWorld::contextHasCorrectPrototype(v8::Handle<v8::Context> context)
-{
-    return V8WindowShell::contextHasCorrectPrototype(context);
-}
-
 } // namespace WebCore