Canvas2D Performance: fix the bottleneck of hasInstance during JS binding -- overloading

Source/bindings/tests/results/core/V8TestInterfaceWillBeGarbageCollected.cpp

Index: Source/bindings/tests/results/core/V8TestInterfaceWillBeGarbageCollected.cpp
diff --git a/Source/bindings/tests/results/core/V8TestInterfaceWillBeGarbageCollected.cpp b/Source/bindings/tests/results/core/V8TestInterfaceWillBeGarbageCollected.cpp
index be2ff1a046afbf1dad1a5e0ddb8b573e1104e93c..44beebfda1b7c8f9228b48e294a8aaff5ba7d4e9 100644
--- a/Source/bindings/tests/results/core/V8TestInterfaceWillBeGarbageCollected.cpp
+++ b/Source/bindings/tests/results/core/V8TestInterfaceWillBeGarbageCollected.cpp
@@ -51,7 +51,7 @@ static void attr1AttributeSetter(v8::Local<v8::Value> v8Value, const v8::Propert
 {
     v8::Handle<v8::Object> holder = info.Holder();
     TestInterfaceWillBeGarbageCollected* impl = V8TestInterfaceWillBeGarbageCollected::toImpl(holder);
-    TestInterfaceWillBeGarbageCollected* cppValue = V8TestInterfaceWillBeGarbageCollected::toImplWithTypeCheck(info.GetIsolate(), v8Value);
+    TestInterfaceWillBeGarbageCollected* cppValue = V8TestInterfaceWillBeGarbageCollected::toImpl(v8::Handle<v8::Object>::Cast(v8Value));
     impl->setAttr1(WTF::getPtr(cppValue));
 }
 
@@ -71,7 +71,7 @@ static void funcMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
     TestInterfaceWillBeGarbageCollected* impl = V8TestInterfaceWillBeGarbageCollected::toImpl(info.Holder());
     TestInterfaceWillBeGarbageCollected* arg;
     {
-        arg = V8TestInterfaceWillBeGarbageCollected::toImplWithTypeCheck(info.GetIsolate(), info[0]);
+        arg = V8TestInterfaceWillBeGarbageCollected::toImpl(v8::Handle<v8::Object>::Cast(info[0]));
     }
     impl->func(arg);
 }