Migrate bindings constructors to the new ExceptionState model.

Source/bindings/tests/results/V8TestExtendedEvent.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 83 matching lines @@
 static void keyLocationAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     UseCounter::countDeprecation(activeExecutionContext(), UseCounter::KeyboardEventKeyLocation);
     EventV8Internal::keyLocationAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void constructor(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
+    ExceptionState exceptionState(ExceptionState::ConstructionContext, "TestExtendedEvent", info.Holder(), info.GetIsolate());
     if (info.Length() < 1) {
-        throwTypeError(ExceptionMessages::failedToConstruct("TestExtendedEvent", "An event name must be provided."), info.GetIsolate());
+        exceptionState.throwTypeError("An event name must be provided.");
+        exceptionState.throwIfNeeded();
         return;
     }
 
     V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<>, type, info[0]);
     EventInit eventInit;
     if (info.Length() >= 2) {
         V8TRYCATCH_VOID(Dictionary, options, Dictionary(info[1], info.GetIsolate()));
-        ExceptionState exceptionState(info.Holder(), info.GetIsolate());
         if (!initializeEvent(eventInit, options, exceptionState)) {
             exceptionState.throwIfNeeded();
             return;
         }
     }
     RefPtr<Event> event = Event::create(type, eventInit);
     v8::Handle<v8::Object> wrapper = info.Holder();
     V8DOMWrapper::associateObjectWithWrapper<V8TestExtendedEvent>(event.release(), &V8TestExtendedEvent::wrapperTypeInfo, wrapper, info.GetIsolate(), WrapperConfiguration::Dependent);
     v8SetReturnValue(info, wrapper);
 }
@@ skipping 114 matching lines @@
 }
 
 template<>
 v8::Handle<v8::Value> toV8NoInline(Event* impl, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
 {
     return toV8(impl, creationContext, isolate);
 }
 
 } // namespace WebCore
 #endif // ENABLE(TEST)