[WIP] bindings: Introduce PropertyBag

Source/modules/serviceworkers/RequestInit.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.
 
 #include "config.h"
 #include "RequestInit.h"
 
-#include "bindings/core/v8/Dictionary.h"
 #include "bindings/core/v8/V8Binding.h"
 #include "bindings/core/v8/V8Blob.h"
 #include "bindings/core/v8/V8FormData.h"
 #include "bindings/core/v8/custom/V8ArrayBufferCustom.h"
 #include "bindings/core/v8/custom/V8ArrayBufferViewCustom.h"
+#include "bindings/modules/v8/DictionaryForModules.h"
 #include "core/fileapi/Blob.h"
 #include "modules/serviceworkers/Headers.h"
 #include "platform/blob/BlobData.h"
 #include "platform/network/FormData.h"
 #include "wtf/ArrayBuffer.h"
 
 namespace blink {
 
 RequestInit::RequestInit(ExecutionContext* context, const Dictionary& options, ExceptionState& exceptionState)
 {
-    DictionaryHelper::get(options, "method", method);
-    DictionaryHelper::get(options, "headers", headers);
+    options.get("method", method);
+    options.get("headers", headers);
     if (!headers) {
-        DictionaryHelper::get(options, "headers", headersDictionary);
+        options.get("headers", headersDictionary);
     }
-    DictionaryHelper::get(options, "mode", mode);
-    DictionaryHelper::get(options, "credentials", credentials);
+    options.get("mode", mode);
+    options.get("credentials", credentials);
 
     v8::Local<v8::Value> body;
-    if (!DictionaryHelper::get(options, "body", body) || body->IsUndefined() || body->IsNull())
+    if (!options.get("body", body) || body->IsUndefined() || body->IsNull())
         return;
     OwnPtr<BlobData> blobData = BlobData::create();
     v8::Isolate* isolate = toIsolate(context);
     if (body->IsArrayBuffer()) {
         ArrayBuffer* arrayBuffer = V8ArrayBuffer::toImpl(v8::Handle<v8::Object>::Cast(body));
         ASSERT(arrayBuffer);
         blobData->appendArrayBuffer(arrayBuffer);
     } else if (body->IsArrayBufferView()) {
         ArrayBufferView* arrayBufferView = V8ArrayBufferView::toImpl(v8::Handle<v8::Object>::Cast(body));
         ASSERT(arrayBufferView);
@@ skipping 36 matching lines @@
         blobData->appendText(stringValue, false);
         blobData->setContentType("text/plain;charset=UTF-8");
     } else {
         return;
     }
     const long long blobSize = blobData->length();
     bodyBlobHandle = BlobDataHandle::create(blobData.release(), blobSize);
 }
 
 }