ServiceWorker: support Response.{status,statusText,headers} [blink] (2/3)

Source/modules/serviceworkers/Response.cpp

Index: Source/modules/serviceworkers/Response.cpp
diff --git a/Source/modules/serviceworkers/Response.cpp b/Source/modules/serviceworkers/Response.cpp
index 00f006d0338496ef478b65a65c93c5698a65552a..2908a2193ebd6759f5f42b17c3e60b0ed652ef56 100644
--- a/Source/modules/serviceworkers/Response.cpp
+++ b/Source/modules/serviceworkers/Response.cpp
@@ -22,31 +22,54 @@ PassRefPtr<Response> Response::create(const Dictionary& responseInit)
     return adoptRef(new Response(ResponseInit(responseInit)));
 }
 
-void Response::headers(const Dictionary& headers)
+void Response::setHeaders(PassRefPtr<HeaderMap> headers)
 {
-    notImplemented();
+    m_headers = headers;
 }
 
-Dictionary* Response::headers()
+PassRefPtr<HeaderMap> Response::headers()
 {
     // FIXME: Implement. Spec will eventually whitelist allowable headers.
-    return &m_headers;
+    return m_headers;
+}
+
+String Response::getHeader(const String& name)
+{
+    return m_headers->get(name);
+}
+
+bool Response::namedPropertyQuery(const String& name, ExceptionState&)
+{
+    return m_headers->has(name);
+}
+
+void Response::namedPropertyEnumerator(Vector<String>& names, ExceptionState&)
+{
+    copyKeysToVector(m_headers->headerMap(), names);
+}
+
+bool Response::setHeader(const String& name, const String& value)
+{
+    m_headers->set(name, value);
+    return true;
 }
 
 void Response::populateWebServiceWorkerResponse(blink::WebServiceWorkerResponse& response)
 {
-    response.setStatusCode(statusCode());
+    response.setStatus(status());
     response.setStatusText(statusText());
-    response.setMethod(method());
+    response.setHeaders(m_headers->headerMap());
 }
 
 Response::Response(const ResponseInit& responseInit)
-    : m_statusCode(responseInit.statusCode)
+    : m_status(responseInit.status)
     , m_statusText(responseInit.statusText)
-    , m_method(responseInit.method)
     , m_headers(responseInit.headers)
 {
     ScriptWrappable::init(this);
+
+    if (!m_headers)
+        m_headers = HeaderMap::create();
 }
 
 } // namespace WebCore