[WIP] bindings: Introduce PropertyBag

Source/bindings/tests/results/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 8226 matching lines @@
     TestObject* impl = V8TestObject::toImpl(info.Holder());
     V8StringResource<> stringArg;
     {
         TOSTRING_VOID_INTERNAL(stringArg, info[0]);
     }
     impl->overloadedMethodJ(stringArg);
 }
 
 static void overloadedMethodJ2Method(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
+    ExceptionState exceptionState(ExceptionState::ExecutionContext, "overloadedMethodJ", "TestObject", info.Holder(), info.GetIsolate());
     TestObject* impl = V8TestObject::toImpl(info.Holder());
     TestDictionary* testDictionaryArg;
     {
         v8::TryCatch block;
         V8RethrowTryCatchScope rethrow(block);
         if (!info[0]->IsUndefined()) {
-            TONATIVE_VOID_INTERNAL(testDictionaryArg, V8TestDictionary::toImpl(info.GetIsolate(), info[0]));
+            TONATIVE_VOID_INTERNAL(testDictionaryArg, V8TestDictionary::toImpl(info.GetIsolate(), info[0], exceptionState));
         } else {
             testDictionaryArg = TestDictionary::create();
         }
     }
     impl->overloadedMethodJ(testDictionaryArg);
 }
 
 static void overloadedMethodJMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "overloadedMethodJ", "TestObject", info.Holder(), info.GetIsolate());
@@ skipping 3110 matching lines @@
     PrivateScriptRunner::runDOMAttributeSetter(scriptState, "TestObject", "enumForPrivateScript", holder, v8String(scriptState->isolate(), cppValue));
     if (block.HasCaught()) {
         PrivateScriptRunner::rethrowExceptionInPrivateScript(scriptState->isolate(), exceptionState, block);
         block.ReThrow();
         return false;
     }
     return true;
 }
 
 } // namespace blink