TraceSubscriber implementation that writes to a file.

content/content_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': 'content_browser',
       'type': 'static_library',
       'dependencies': [
@@ skipping 319 matching lines @@
         'browser/tab_contents/tab_contents_delegate.h',
         'browser/tab_contents/tab_contents_observer.cc',
         'browser/tab_contents/tab_contents_observer.h',
         'browser/tab_contents/tab_contents_view.cc',
         'browser/tab_contents/tab_contents_view.h',
         'browser/tab_contents/title_updated_details.h',
         'browser/trace_controller.cc',
         'browser/trace_controller.h',
         'browser/trace_message_filter.cc',
         'browser/trace_message_filter.h',
+        'browser/trace_subscriber_stdio.cc',
+        'browser/trace_subscriber_stdio.h',
         'browser/user_metrics.cc',
         'browser/user_metrics.h',
         'browser/webui/empty_web_ui_factory.cc',
         'browser/webui/empty_web_ui_factory.h',
         'browser/webui/generic_handler.cc',
         'browser/webui/generic_handler.h',
         'browser/webui/web_ui.cc',
         'browser/webui/web_ui.h',
         'browser/webui/web_ui_factory.cc',
         'browser/webui/web_ui_factory.h',
@@ skipping 50 matching lines @@
             'mac_bundle_resources': [
               'browser/gpu.sb',
               'browser/worker.sb',
             ],
           },
         }],
       ],
     },
   ],
 }