Canvas2D Performance: fix the bottleneck of hasInstance in JS binding -- TypeChecking Interface

Source/bindings/tests/results/core/V8TestInterface.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"
 #if ENABLE(CONDITION)
 #include "V8TestInterface.h"
 
@@ skipping 969 matching lines @@
         V8ThrowException::throwException(createMinimumArityTypeErrorForMethod("voidMethodTestInterfaceEmptyArg", "TestInterface", 1, info.Length(), info.GetIsolate()), info.GetIsolate());
         return;
     }
     TestInterfaceImplementation* impl = V8TestInterface::toImpl(info.Holder());
     TestInterfaceEmpty* testInterfaceEmptyArg;
     {
         if (info.Length() > 0 && !V8TestInterfaceEmpty::hasInstance(info[0], info.GetIsolate())) {
             V8ThrowException::throwTypeError(ExceptionMessages::failedToExecute("voidMethodTestInterfaceEmptyArg", "TestInterface", "parameter 1 is not of type 'TestInterfaceEmpty'."), info.GetIsolate());
             return;
         }
-        testInterfaceEmptyArg = V8TestInterfaceEmpty::toImplWithTypeCheck(info.GetIsolate(), info[0]);
+        testInterfaceEmptyArg = V8TestInterfaceEmpty::toImpl(v8::Handle<v8::Object>::Cast(info[0]));
     }
     impl->voidMethodTestInterfaceEmptyArg(testInterfaceEmptyArg);
 }
 
 static void voidMethodTestInterfaceEmptyArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMMethod");
     TestInterfaceImplementationV8Internal::voidMethodTestInterfaceEmptyArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
@@ skipping 221 matching lines @@
     TestInterfaceImplementation* impl = V8TestInterface::toImpl(info.Holder());
     V8StringResource<> strArg;
     TestInterfaceEmpty* testInterfaceEmptyArg;
     {
         TOSTRING_VOID_INTERNAL(strArg, info[0]);
         if (info.Length() > 1 && !V8TestInterfaceEmpty::hasInstance(info[1], info.GetIsolate())) {
             exceptionState.throwTypeError("parameter 2 is not of type 'TestInterfaceEmpty'.");
             exceptionState.throwIfNeeded();
             return;
         }
-        testInterfaceEmptyArg = V8TestInterfaceEmpty::toImplWithTypeCheck(info.GetIsolate(), info[1]);
+        testInterfaceEmptyArg = V8TestInterfaceEmpty::toImpl(v8::Handle<v8::Object>::Cast(info[1]));
     }
     ExecutionContext* executionContext = currentExecutionContext(info.GetIsolate());
     RefPtr<TestInterfaceEmpty> result = impl->implementsComplexMethod(executionContext, strArg, testInterfaceEmptyArg, exceptionState);
     if (exceptionState.hadException()) {
         exceptionState.throwIfNeeded();
         return;
     }
     v8SetReturnValue(info, result.release());
 }
 
@@ skipping 920 matching lines @@
 
     ScriptState::Scope scope(scriptState);
     v8::Handle<v8::Value> holder = toV8(holderImpl, scriptState->context()->Global(), scriptState->isolate());
 
     ExceptionState exceptionState(ExceptionState::SetterContext, "stringAttribute", "TestInterfaceImplementation", scriptState->context()->Global(), scriptState->isolate());
     return PrivateScriptRunner::runDOMAttributeSetter(scriptState, scriptStateInUserScript, "TestInterfaceImplementation", "stringAttribute", holder, v8String(scriptState->isolate(), cppValue));
 }
 
 } // namespace blink
 #endif // ENABLE(CONDITION)