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

Source/bindings/tests/results/core/V8TestInterfaceNotScriptWrappable.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // This file has been auto-generated by code_generator_v8.py. DO NOT MODIFY!
 
 #include "config.h"
 #include "V8TestInterfaceNotScriptWrappable.h"
 
 #include "bindings/core/v8/ExceptionState.h"
@@ skipping 27 matching lines @@
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestInterfaceNotScriptWrappableV8Internal::attr1AttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void attr1AttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     v8::Handle<v8::Object> holder = info.Holder();
     TestInterfaceNotScriptWrappable* impl = V8TestInterfaceNotScriptWrappable::toImpl(holder);
-    TestInterfaceNotScriptWrappable* cppValue = V8TestInterfaceNotScriptWrappable::toImplWithTypeCheck(info.GetIsolate(), v8Value);
+    TestInterfaceNotScriptWrappable* cppValue = V8TestInterfaceNotScriptWrappable::toImpl(v8::Handle<v8::Object>::Cast(v8Value));
     impl->setAttr1(WTF::getPtr(cppValue));
 }
 
 static void attr1AttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestInterfaceNotScriptWrappableV8Internal::attr1AttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void funcMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
         V8ThrowException::throwException(createMinimumArityTypeErrorForMethod("func", "TestInterfaceNotScriptWrappable", 1, info.Length(), info.GetIsolate()), info.GetIsolate());
         return;
     }
     TestInterfaceNotScriptWrappable* impl = V8TestInterfaceNotScriptWrappable::toImpl(info.Holder());
     TestInterfaceNotScriptWrappable* arg;
     {
-        arg = V8TestInterfaceNotScriptWrappable::toImplWithTypeCheck(info.GetIsolate(), info[0]);
+        arg = V8TestInterfaceNotScriptWrappable::toImpl(v8::Handle<v8::Object>::Cast(info[0]));
     }
     impl->func(arg);
 }
 
 static void funcMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMMethod");
     TestInterfaceNotScriptWrappableV8Internal::funcMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
@@ skipping 83 matching lines @@
     return 0;
 }
 
 template<>
 v8::Handle<v8::Value> toV8NoInline(TestInterfaceNotScriptWrappable* impl, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
 {
     return toV8(impl, creationContext, isolate);
 }
 
 } // namespace blink