IDL: Auto-declare implied methods only if not otherwise declared

Source/bindings/tests/results/core/V8TestInterface3.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 "V8TestInterface3.h"
 
 #include "bindings/core/v8/ExceptionState.h"
@@ skipping 20 matching lines @@
 // bindings/core/v8/ScriptWrappable.h.
 const WrapperTypeInfo& TestInterface3::s_wrapperTypeInfo = V8TestInterface3::wrapperTypeInfo;
 
 namespace TestInterface3V8Internal {
 
 static void keysMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "keys", "TestInterface3", info.Holder(), info.GetIsolate());
     TestInterface3* impl = V8TestInterface3::toImpl(info.Holder());
     ScriptState* scriptState = ScriptState::current(info.GetIsolate());
-    RawPtr<Iterator> result = impl->keys(scriptState, exceptionState);
+    RawPtr<Iterator> result = impl->iterableKeys(scriptState, exceptionState);
     if (exceptionState.hadException()) {
         exceptionState.throwIfNeeded();
         return;
     }
     v8SetReturnValue(info, result.release());
 }
 
 static void keysMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMMethod");
@@ skipping 226 matching lines @@
 {
     scriptWrappable->toImpl<TestInterface3>()->ref();
 }
 
 void V8TestInterface3::derefObject(ScriptWrappable* scriptWrappable)
 {
     scriptWrappable->toImpl<TestInterface3>()->deref();
 }
 
 } // namespace blink