[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 <memory>
 #include "bindings/core/v8/Dictionary.h"
 #include "bindings/core/v8/ExceptionState.h"
 #include "bindings/core/v8/V8ArrayBuffer.h"
@@ skipping 412 matching lines @@
 }
 
 bool Response::bodyUsed() {
   return InternalBodyBuffer() && InternalBodyBuffer()->IsStreamDisturbed();
 }
 
 String Response::MimeType() const {
   return response_->MimeType();
 }
 
+String Response::ContentType() const {
+  String result;
+  response_->HeaderList()->Get(HTTPNames::Content_Type, result);
+  return result;
+}
+
 String Response::InternalMIMEType() const {
   return response_->InternalMIMEType();
 }
 
 const Vector<KURL>& Response::InternalURLList() const {
   return response_->InternalURLList();
 }
 
 void Response::InstallBody() {
   if (!InternalBodyBuffer())
@@ skipping 16 matching lines @@
       .Set(response.As<v8::Object>(), body_buffer);
 }
 
 DEFINE_TRACE(Response) {
   Body::Trace(visitor);
   visitor->Trace(response_);
   visitor->Trace(headers_);
 }
 
 }  // namespace blink