Delete WorldContextHandle in favor of DOMWrapperWorld

Source/bindings/v8/V8Binding.h

Index: Source/bindings/v8/V8Binding.h
diff --git a/Source/bindings/v8/V8Binding.h b/Source/bindings/v8/V8Binding.h
index 5ab2b16ecb0b2951993d0dd58b7c17ae8c18c839..e2ed5a3cf6a4b716ff6f4722b225c0a43a8b5c61 100644
--- a/Source/bindings/v8/V8Binding.h
+++ b/Source/bindings/v8/V8Binding.h
@@ -53,7 +53,6 @@ namespace WebCore {
 
     class DOMStringList;
     class ScriptExecutionContext;
-    class WorldContextHandle;
 
     const int kMaxRecursionDepth = 22;
 
@@ -477,7 +476,6 @@ namespace WebCore {
     ScriptExecutionContext* toScriptExecutionContext(v8::Handle<v8::Context>);
 
     // Returns the context associated with a ScriptExecutionContext.
-    v8::Local<v8::Context> toV8Context(ScriptExecutionContext*, const WorldContextHandle&);
     v8::Local<v8::Context> toV8Context(ScriptExecutionContext*, DOMWrapperWorld*);
 
     // Returns the frame object of the window object associated with