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      1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 // Simple implementation of about: protocol handler that treats everything as
      6 // about:blank.  No other about: features should be available to web content,
      7 // so they're not implemented here.
      8 
      9 #include "net/url_request/url_request_about_job.h"
     10 
     11 #include "base/compiler_specific.h"
     12 #include "base/message_loop.h"
     13 
     14 namespace net {
     15 
     16 URLRequestAboutJob::URLRequestAboutJob(URLRequest* request)
     17     : URLRequestJob(request),
     18       ALLOW_THIS_IN_INITIALIZER_LIST(method_factory_(this)) {
     19 }
     20 
     21 // static
     22 URLRequestJob* URLRequestAboutJob::Factory(URLRequest* request,
     23                                            const std::string& scheme) {
     24   return new URLRequestAboutJob(request);
     25 }
     26 
     27 void URLRequestAboutJob::Start() {
     28   // Start reading asynchronously so that all error reporting and data
     29   // callbacks happen as they would for network requests.
     30   MessageLoop::current()->PostTask(
     31       FROM_HERE,
     32       method_factory_.NewRunnableMethod(&URLRequestAboutJob::StartAsync));
     33 }
     34 
     35 bool URLRequestAboutJob::GetMimeType(std::string* mime_type) const {
     36   *mime_type = "text/html";
     37   return true;
     38 }
     39 
     40 URLRequestAboutJob::~URLRequestAboutJob() {
     41 }
     42 
     43 void URLRequestAboutJob::StartAsync() {
     44   NotifyHeadersComplete();
     45 }
     46 
     47 }  // namespace net
     48