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

Source/bindings/tests/results/core/V8TestInterfaceConstructor.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 "V8TestInterfaceConstructor.h"
 
 #include "bindings/core/v8/Dictionary.h"
@@ skipping 44 matching lines @@
     V8StringResource<> stringArg;
     TestInterfaceEmpty* testInterfaceEmptyArg;
     Dictionary dictionaryArg;
     Vector<String> sequenceStringArg;
     Vector<Dictionary> sequenceDictionaryArg;
     Dictionary optionalDictionaryArg;
     TestInterfaceEmpty* optionalTestInterfaceEmptyArg;
     {
         TONATIVE_VOID_EXCEPTIONSTATE_INTERNAL(doubleArg, toDouble(info[0], exceptionState), exceptionState);
         TOSTRING_VOID_INTERNAL(stringArg, info[1]);
-        testInterfaceEmptyArg = V8TestInterfaceEmpty::toImplWithTypeCheck(info.GetIsolate(), info[2]);
+        testInterfaceEmptyArg = V8TestInterfaceEmpty::toImpl(v8::Handle<v8::Object>::Cast(info[2]));
         if (!isUndefinedOrNull(info[3]) && !info[3]->IsObject()) {
             exceptionState.throwTypeError("parameter 4 ('dictionaryArg') is not an object.");
             exceptionState.throwIfNeeded();
             return;
         }
         dictionaryArg = Dictionary(info[3], info.GetIsolate());
         TONATIVE_VOID_EXCEPTIONSTATE_INTERNAL(sequenceStringArg, toImplArray<String>(info[4], 5, info.GetIsolate(), exceptionState), exceptionState);
         TONATIVE_VOID_EXCEPTIONSTATE_INTERNAL(sequenceDictionaryArg, toImplArray<Dictionary>(info[5], 6, info.GetIsolate(), exceptionState), exceptionState);
         if (!isUndefinedOrNull(info[6]) && !info[6]->IsObject()) {
             exceptionState.throwTypeError("parameter 7 ('optionalDictionaryArg') is not an object.");
             exceptionState.throwIfNeeded();
             return;
         }
         optionalDictionaryArg = Dictionary(info[6], info.GetIsolate());
-        optionalTestInterfaceEmptyArg = V8TestInterfaceEmpty::toImplWithTypeCheck(info.GetIsolate(), info[7]);
+        optionalTestInterfaceEmptyArg = V8TestInterfaceEmpty::toImpl(v8::Handle<v8::Object>::Cast(info[7]));
     }
     ExecutionContext* executionContext = currentExecutionContext(info.GetIsolate());
     Document& document = *toDocument(currentExecutionContext(info.GetIsolate()));
     RefPtr<TestInterfaceConstructor> impl = TestInterfaceConstructor::create(executionContext, document, doubleArg, stringArg, testInterfaceEmptyArg, dictionaryArg, sequenceStringArg, sequenceDictionaryArg, optionalDictionaryArg, optionalTestInterfaceEmptyArg, exceptionState);
     if (exceptionState.hadException()) {
         exceptionState.throwIfNeeded();
         return;
     }
     v8::Handle<v8::Object> wrapper = info.Holder();
     impl->associateWithWrapper(&V8TestInterfaceConstructor::wrapperTypeInfo, wrapper, info.GetIsolate());
@@ skipping 259 matching lines @@
     return 0;
 }
 
 template<>
 v8::Handle<v8::Value> toV8NoInline(TestInterfaceConstructor* impl, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
 {
     return toV8(impl, creationContext, isolate);
 }
 
 } // namespace blink