text: // 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.
  
  // Simple implementation of about: protocol handler that treats everything as
  // about:blank.  No other about: features should be available to web content,
  // so they're not implemented here.
  
  #include "net/url_request/url_request_about_job.h"
  
  #include "base/bind.h"
  #include "base/compiler_specific.h"
  #include "base/message_loop.h"
  
  namespace net {
  
  URLRequestAboutJob::URLRequestAboutJob(URLRequest* request,
                                         NetworkDelegate* network_delegate)
      : URLRequestJob(request, network_delegate),
        weak_factory_(this) {
  }
  
  // static
  URLRequestJob* URLRequestAboutJob::Factory(URLRequest* request,
                                             NetworkDelegate* network_delegate,
                                             const std::string& scheme) {
    return new URLRequestAboutJob(request, network_delegate);
  }
  
  void URLRequestAboutJob::Start() {
    // Start reading asynchronously so that all error reporting and data
    // callbacks happen as they would for network requests.
    MessageLoop::current()->PostTask(
        FROM_HERE,
        base::Bind(&URLRequestAboutJob::StartAsync, weak_factory_.GetWeakPtr()));
  }
  
  bool URLRequestAboutJob::GetMimeType(std::string* mime_type) const {
    *mime_type = "text/html";
    return true;
  }
  
  URLRequestAboutJob::~URLRequestAboutJob() {
  }
  
  void URLRequestAboutJob::StartAsync() {
    NotifyHeadersComplete();
  }
  
  }  // namespace net
  