Remove world type from hasInstance()

Source/bindings/v8/custom/V8CanvasRenderingContext2DCustom.cpp

Index: Source/bindings/v8/custom/V8CanvasRenderingContext2DCustom.cpp
diff --git a/Source/bindings/v8/custom/V8CanvasRenderingContext2DCustom.cpp b/Source/bindings/v8/custom/V8CanvasRenderingContext2DCustom.cpp
index 3e13d83e57e25d0bf7089e28e198c930bc6addb2..3ceda56208baf8c3a527c78b9dff921efacb8a60 100644
--- a/Source/bindings/v8/custom/V8CanvasRenderingContext2DCustom.cpp
+++ b/Source/bindings/v8/custom/V8CanvasRenderingContext2DCustom.cpp
@@ -59,10 +59,10 @@ static v8::Handle<v8::Value> toV8Object(CanvasStyle* style, v8::Handle<v8::Objec
 
 static PassRefPtr<CanvasStyle> toCanvasStyle(v8::Handle<v8::Value> value, v8::Isolate* isolate)
 {
-    if (V8CanvasGradient::hasInstance(value, isolate, worldType(isolate)))
+    if (V8CanvasGradient::hasInstance(value, isolate))
         return CanvasStyle::createFromGradient(V8CanvasGradient::toNative(v8::Handle<v8::Object>::Cast(value)));
 
-    if (V8CanvasPattern::hasInstance(value, isolate, worldType(isolate)))
+    if (V8CanvasPattern::hasInstance(value, isolate))
         return CanvasStyle::createFromPattern(V8CanvasPattern::toNative(v8::Handle<v8::Object>::Cast(value)));
 
     return 0;