Get rid of url_request_tracking.*. The only other place that used it other than ResourceDispatch...

chrome/chrome_browser.gypi

 # Copyright (c) 2011 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.
 
 {
   'targets': [
     {
       'target_name': 'browser',
       'type': 'static_library',
       'msvs_guid': '5BF908A7-68FB-4A4B-99E3-8C749F1FE4EA',
@@ skipping 1386 matching lines @@
         'browser/net/url_request_mock_http_job.cc',
         'browser/net/url_request_mock_http_job.h',
         'browser/net/url_request_mock_link_doctor_job.cc',
         'browser/net/url_request_mock_link_doctor_job.h',
         'browser/net/url_request_mock_util.cc',
         'browser/net/url_request_mock_util.h',
         'browser/net/url_request_slow_download_job.cc',
         'browser/net/url_request_slow_download_job.h',
         'browser/net/url_request_slow_http_job.cc',
         'browser/net/url_request_slow_http_job.h',
-        'browser/net/url_request_tracking.cc',
-        'browser/net/url_request_tracking.h',
         'browser/net/view_blob_internals_job_factory.cc',
         'browser/net/view_blob_internals_job_factory.h',
         'browser/net/view_http_cache_job_factory.cc',
         'browser/net/view_http_cache_job_factory.h',
         'browser/net/websocket_experiment/websocket_experiment_runner.cc',
         'browser/net/websocket_experiment/websocket_experiment_runner.h',
         'browser/net/websocket_experiment/websocket_experiment_task.cc',
         'browser/net/websocket_experiment/websocket_experiment_task.h',
         'browser/notifications/balloon.cc',
         'browser/notifications/balloon.h',
@@ skipping 3159 matching lines @@
       'hard_dependency': 1,
     },
   ],
 }
 
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