IDL: Support iterable<>/maplike<>/setlike<> referencing typedefs

Source/bindings/tests/results/core/V8TestObject.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 "V8TestObject.h"
 
 #include "bindings/core/v8/BindingSecurity.h"
@@ skipping 10918 matching lines @@
 static void setMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "set", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 2)) {
         setMinimumArityTypeError(exceptionState, 2, info.Length());
         exceptionState.throwIfNeeded();
         return;
     }
     TestObject* impl = V8TestObject::toImpl(info.Holder());
     int key;
-    V8StringResource<> value;
+    StringOrDouble value;
     {
         TONATIVE_VOID_EXCEPTIONSTATE_INTERNAL(key, toInt32(info[0], exceptionState), exceptionState);
-        TOSTRING_VOID_INTERNAL(value, info[1]);
+        TONATIVE_VOID_EXCEPTIONSTATE_ARGINTERNAL(V8StringOrDouble::toImpl(info.GetIsolate(), info[1], value, exceptionState), exceptionState);
     }
     ScriptState* scriptState = ScriptState::current(info.GetIsolate());
     RefPtr<TestObject> result = impl->setForBinding(scriptState, key, value, exceptionState);
     if (exceptionState.hadException()) {
         exceptionState.throwIfNeeded();
         return;
     }
     v8SetReturnValue(info, result.release());
 }
 
@@ skipping 1100 matching lines @@
         return false;
 
     ScriptState::Scope scope(scriptState);
     v8::Local<v8::Value> holder = toV8(holderImpl, scriptState->context()->Global(), scriptState->isolate());
 
     ExceptionState exceptionState(ExceptionState::SetterContext, "enumForPrivateScript", "TestObject", scriptState->context()->Global(), scriptState->isolate());
     return PrivateScriptRunner::runDOMAttributeSetter(scriptState, scriptStateInUserScript, "TestObject", "enumForPrivateScript", holder, v8String(scriptState->isolate(), cppValue));
 }
 
 } // namespace blink