Avoid nearly identical toImplArray() and toImplHeapArray()

Source/bindings/tests/results/core/V8TestInterfaceConstructor2.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 "V8TestInterfaceConstructor2.h"
 
 #include "bindings/core/v8/Dictionary.h"
@@ skipping 52 matching lines @@
     v8::Local<v8::Object> wrapper = info.Holder();
     impl->associateWithWrapper(info.GetIsolate(), &V8TestInterfaceConstructor2::wrapperTypeInfo, wrapper);
     v8SetReturnValue(info, wrapper);
 }
 
 static void constructor3(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ConstructionContext, "TestInterfaceConstructor2", info.Holder(), info.GetIsolate());
     Vector<Vector<String>> stringSequenceSequenceArg;
     {
-        stringSequenceSequenceArg = toImplArray<Vector<String>>(info[0], 1, info.GetIsolate(), exceptionState);
+        stringSequenceSequenceArg = toImplArray<Vector<Vector<String>>>(info[0], 1, info.GetIsolate(), exceptionState);
         if (exceptionState.throwIfNeeded())
             return;
     }
     RefPtr<TestInterfaceConstructor2> impl = TestInterfaceConstructor2::create(stringSequenceSequenceArg);
     v8::Local<v8::Object> wrapper = info.Holder();
     impl->associateWithWrapper(info.GetIsolate(), &V8TestInterfaceConstructor2::wrapperTypeInfo, wrapper);
     v8SetReturnValue(info, wrapper);
 }
 
 static void constructor4(const v8::FunctionCallbackInfo<v8::Value>& info)
@@ skipping 164 matching lines @@
 {
     scriptWrappable->toImpl<TestInterfaceConstructor2>()->ref();
 }
 
 void V8TestInterfaceConstructor2::derefObject(ScriptWrappable* scriptWrappable)
 {
     scriptWrappable->toImpl<TestInterfaceConstructor2>()->deref();
 }
 
 } // namespace blink