Set response headers for data URL.

net/url_request/url_request_data_job.h

 // Copyright (c) 2012 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.
 
 #ifndef NET_URL_REQUEST_URL_REQUEST_DATA_JOB_H_
 #define NET_URL_REQUEST_URL_REQUEST_DATA_JOB_H_
 
 #include <string>
 
 #include "net/url_request/url_request.h"
 #include "net/url_request/url_request_simple_job.h"
 
+class GURL;
+
 namespace net {
 
+class HttpResponseHeaders;
 class URLRequest;
 
-class URLRequestDataJob : public URLRequestSimpleJob {
+class NET_EXPORT URLRequestDataJob : public URLRequestSimpleJob {
  public:
+  // Extracts info from a data scheme URL. Returns OK if successful. Returns
+  // ERR_INVALID_URL otherwise.
+  static int BuildResponse(const GURL& url,
+                           std::string* mime_type,
+                           std::string* charset,
+                           std::string* data,
+                           HttpResponseHeaders* headers);
+
   URLRequestDataJob(URLRequest* request, NetworkDelegate* network_delegate);
 
   // URLRequestSimpleJob
   virtual int GetData(std::string* mime_type,
                       std::string* charset,
                       std::string* data,
                       const CompletionCallback& callback) const OVERRIDE;
 
  private:
   virtual ~URLRequestDataJob();
 
   DISALLOW_COPY_AND_ASSIGN(URLRequestDataJob);
 };
 
 }  // namespace net
 
 #endif  // NET_URL_REQUEST_URL_REQUEST_DATA_JOB_H_