Create a about handler component.

net/net.gypi

 # 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.
 
 # This file is shared between the regular GYP build, the NaCl GYP build, and
 # the GN build. For GN support, it must have no conditionals or anything like
 # that beyond the simple one-level-deep dictionary of values.
 {
   'variables': {
     # Subset of net source files that are compiled for NaCl (net_nacl target).
@@ skipping 1193 matching lines @@
       'url_request/url_fetcher_delegate.h',
       'url_request/url_fetcher_factory.h',
       'url_request/url_fetcher_impl.cc',
       'url_request/url_fetcher_impl.h',
       'url_request/url_fetcher_response_writer.cc',
       'url_request/url_fetcher_response_writer.h',
       'url_request/url_range_request_job.cc',
       'url_request/url_range_request_job.h',
       'url_request/url_request.cc',
       'url_request/url_request.h',
-      'url_request/url_request_about_job.cc',
-      'url_request/url_request_about_job.h',
       'url_request/url_request_context.cc',
       'url_request/url_request_context.h',
       'url_request/url_request_context_builder.cc',
       'url_request/url_request_context_builder.h',
       'url_request/url_request_context_getter.cc',
       'url_request/url_request_context_getter.h',
       'url_request/url_request_context_getter_observer.h',
       'url_request/url_request_context_storage.cc',
       'url_request/url_request_context_storage.h',
       'url_request/url_request_data_job.cc',
@@ skipping 654 matching lines @@
       'README.md',
       'docs/bug-triage.md',
       'docs/bug-triage-labels.md',
       'docs/bug-triage-suggested-workflow.md',
       'docs/life-of-a-url-request.md',
       'sdch/README.md',
     ],
     'net_docs_output_dir': '<(PRODUCT_DIR)/net/docs',
   }
 }