[Fetch API] Implement Request.formData and Response.formData.

third_party/WebKit/Source/modules/fetch/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 "modules/fetch/Response.h"
 
 #include "bindings/core/v8/Dictionary.h"
 #include "bindings/core/v8/ExceptionState.h"
 #include "bindings/core/v8/ScriptState.h"
 #include "bindings/core/v8/V8ArrayBuffer.h"
@@ skipping 387 matching lines @@
 bool Response::hasBody() const
 {
     return m_response->internalBuffer();
 }
 
 bool Response::bodyUsed()
 {
     return internalBodyBuffer() && internalBodyBuffer()->isStreamDisturbed();
 }
 
+String Response::contentType() const
+{
+    String result;
+    m_response->headerList()->get(HTTPNames::Content_Type, result);
+    return result;
+}
+
 String Response::mimeType() const
 {
     return m_response->mimeType();
 }
 
 String Response::internalMIMEType() const
 {
     return m_response->internalMIMEType();
 }
 
@@ skipping 20 matching lines @@
 }
 
 DEFINE_TRACE(Response)
 {
     Body::trace(visitor);
     visitor->trace(m_response);
     visitor->trace(m_headers);
 }
 
 } // namespace blink