Implement extension:// protocol.

net/url_request/url_request_file_job.cc

 // Copyright (c) 2006-2008 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.
 
 // For loading files, we make use of overlapped i/o to ensure that reading from
 // the filesystem (e.g., a network filesystem) does not block the calling
 // thread.  An alternative approach would be to use a background thread or pool
 // of threads, but it seems better to leverage the operating system's ability
 // to do background file reads for us.
 //
@@ skipping 60 matching lines @@
 // static
 URLRequestJob* URLRequestFileJob::Factory(
     URLRequest* request, const std::string& scheme) {
   FilePath file_path;
   if (net::FileURLToFilePath(request->url(), &file_path) &&
       file_util::EnsureEndsWithSeparator(&file_path))
       return new URLRequestFileDirJob(request, file_path);
 
   // Use a regular file request job for all non-directories (including invalid
   // file names).
-  URLRequestFileJob* job = new URLRequestFileJob(request);
-  job->file_path_ = file_path;
-  return job;
+  return new URLRequestFileJob(request, file_path);
 }
 
-URLRequestFileJob::URLRequestFileJob(URLRequest* request)
+URLRequestFileJob::URLRequestFileJob(URLRequest* request,
+                                     const FilePath& file_path)
     : URLRequestJob(request),
+      file_path_(file_path),
       ALLOW_THIS_IN_INITIALIZER_LIST(
           io_callback_(this, &URLRequestFileJob::DidRead)),
       is_directory_(false) {
 }
 
 URLRequestFileJob::~URLRequestFileJob() {
 #if defined(OS_WIN)
   DCHECK(!async_resolver_);
 #endif
 }
@@ skipping 116 matching lines @@
     return false;
 
   *location = net::FilePathToFileURL(new_path);
   *http_status_code = 301;
   return true;
 #else
   return false;
 #endif
 }