Introduce MIDIInputMap and MIDIOutputMap.

Source/bindings/core/v8/V8Binding.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2009 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 891 matching lines @@
 
 PassRefPtr<TraceEvent::ConvertableToTraceFormat> devToolsTraceEventData(ExecutionContext* context, v8::Handle<v8::Function> function, v8::Isolate* isolate)
 {
     int scriptId = 0;
     String resourceName;
     int lineNumber = 1;
     GetDevToolsFunctionInfo(function, isolate, scriptId, resourceName, lineNumber);
     return InspectorFunctionCallEvent::data(context, scriptId, resourceName, lineNumber);
 }
 
+v8::Local<v8::Value> v8DoneIteratorResult(v8::Isolate* isolate)
+{
+    v8::Local<v8::Object> result = v8::Object::New(isolate);
+    result->Set(v8String(isolate, "value"), v8::Undefined(isolate));
+    result->Set(v8String(isolate, "done"), v8Boolean(true, isolate));
+    return result;
+}
+
+v8::Local<v8::Value> v8IteratorResult(v8::Isolate* isolate, v8::Handle<v8::Value> value)
+{
+    v8::Local<v8::Object> result = v8::Object::New(isolate);
+    result->Set(v8String(isolate, "value"), value);
+    result->Set(v8String(isolate, "done"), v8Boolean(false, isolate));
+    return result;
+}
+
 } // namespace blink