Revert of [ServiceWorker] Make Response class better conformance with the spec.

Source/bindings/core/v8/Dictionary.cpp

 /*
  * Copyright (C) 2010 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:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 25 matching lines @@
 #include "bindings/core/v8/V8MediaKeyError.h"
 #include "bindings/core/v8/V8MessagePort.h"
 #include "bindings/core/v8/V8Path2D.h"
 #include "bindings/core/v8/V8Storage.h"
 #include "bindings/core/v8/V8TextTrack.h"
 #include "bindings/core/v8/V8VoidCallback.h"
 #include "bindings/core/v8/V8Window.h"
 #include "bindings/core/v8/custom/V8ArrayBufferViewCustom.h"
 #include "bindings/core/v8/custom/V8Uint8ArrayCustom.h"
 #include "bindings/modules/v8/V8Gamepad.h"
+#include "bindings/modules/v8/V8HeaderMap.h"
 #include "bindings/modules/v8/V8Headers.h"
 #include "bindings/modules/v8/V8IDBKeyRange.h"
 #include "bindings/modules/v8/V8MIDIPort.h"
 #include "bindings/modules/v8/V8MediaStream.h"
 #include "bindings/modules/v8/V8SpeechRecognitionResult.h"
 #include "bindings/modules/v8/V8SpeechRecognitionResultList.h"
 #include "core/html/track/TrackBase.h"
 #include "modules/gamepad/Gamepad.h"
 #include "modules/indexeddb/IDBKeyRange.h"
 #include "modules/mediastream/MediaStream.h"
@@ skipping 521 matching lines @@
 
     if (v8Value->IsObject()) {
         ASSERT(m_isolate);
         ASSERT(m_isolate == v8::Isolate::GetCurrent());
         value = Dictionary(v8Value, m_isolate);
     }
 
     return true;
 }
 
+bool Dictionary::get(const String& key, RefPtr<HeaderMap>& value) const
+{
+    v8::Local<v8::Value> v8Value;
+    if (!getKey(key, v8Value))
+        return false;
+
+    value = V8HeaderMap::toNativeWithTypeCheck(m_isolate, v8Value);
+    return true;
+}
+
 bool Dictionary::get(const String& key, RefPtr<Headers>& value) const
 {
     v8::Local<v8::Value> v8Value;
     if (!getKey(key, v8Value))
         return false;
 
     value = V8Headers::toNativeWithTypeCheck(m_isolate, v8Value);
     return true;
 }
 
@@ skipping 190 matching lines @@
 
     return *this;
 }
 
 void Dictionary::ConversionContext::throwTypeError(const String& detail)
 {
     exceptionState().throwTypeError(detail);
 }
 
 } // namespace WebCore