Adding ArrayBuffer support to ServiceWorker Response and tests

Source/modules/serviceworkers/Response.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 "Response.h"
 
 #include "bindings/core/v8/Dictionary.h"
 #include "bindings/core/v8/ExceptionState.h"
 #include "core/fileapi/Blob.h"
 #include "modules/serviceworkers/FetchBodyStream.h"
 #include "modules/serviceworkers/ResponseInit.h"
 #include "public/platform/WebServiceWorkerResponse.h"
+#include "wtf/ArrayBuffer.h"
 
 namespace blink {
 
 namespace {
 
 FetchResponseData* createFetchResponseDataFromWebResponse(const WebServiceWorkerResponse& webResponse)
 {
     FetchResponseData* response = 0;
     if (200 <= webResponse.status() && webResponse.status() < 300)
         response = FetchResponseData::create();
@@ skipping 29 matching lines @@
 {
     OwnPtr<BlobData> blobData = BlobData::create();
     blobData->appendText(body, false);
     // "Set |Content-Type| to `text/plain;charset=UTF-8`."
     blobData->setContentType("text/plain;charset=UTF-8");
     const long long length = blobData->length();
     RefPtrWillBeRawPtr<Blob> blob = Blob::create(BlobDataHandle::create(blobData.release(), length));
     return create(blob.get(), ResponseInit(responseInit), exceptionState);
 }
 
+Response* Response::create(const ArrayBuffer* body, const Dictionary& responseInit, ExceptionState& exceptionState)
+{
+    OwnPtr<BlobData> blobData = BlobData::create();
+    blobData->appendArrayBuffer(body);
+    const long long length = blobData->length();
+    RefPtrWillBeRawPtr<Blob> blob = Blob::create(BlobDataHandle::create(blobData.release(), length));
+    return create(blob.get(), ResponseInit(responseInit), exceptionState);
+}
+
 Response* Response::create(Blob* body, const ResponseInit& responseInit, ExceptionState& exceptionState)
 {
     // "1. If |init|'s status member is not in the range 200 to 599, throw a
     // RangeError."
     if (responseInit.status < 200 || 599 < responseInit.status) {
         exceptionState.throwRangeError("Invalid status");
         return 0;
     }
 
     // FIXME: "2. If |init|'s statusText member does not match the Reason-Phrase
@@ skipping 142 matching lines @@
 }
 
 void Response::trace(Visitor* visitor)
 {
     visitor->trace(m_response);
     visitor->trace(m_headers);
     visitor->trace(m_fetchBodyStream);
 }
 
 } // namespace blink