Define crash keys in the directory hierarchy where they are used.

media/media.gyp

 # Copyright (c) 2012 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.
 
 {
   'variables': {
     'chromium_code': 1,
     # Override to dynamically link the cras (ChromeOS audio) library.
     'use_cras%': 0,
     # Option e.g. for Linux distributions to link pulseaudio directly
@@ skipping 297 matching lines @@
         'base/cdm_promise.cc',
         'base/cdm_promise.h',
         'base/cdm_promise_adapter.cc',
         'base/cdm_promise_adapter.h',
         'base/channel_mixer.cc',
         'base/channel_mixer.h',
         'base/channel_mixing_matrix.cc',
         'base/channel_mixing_matrix.h',
         'base/container_names.cc',
         'base/container_names.h',
+        'base/crash_keys.cc',
+        'base/crash_keys.h',
         'base/data_buffer.cc',
         'base/data_buffer.h',
         'base/data_source.cc',
         'base/data_source.h',
         'base/decode_status.cc',
         'base/decode_status.h',
         'base/decoder_buffer.cc',
         'base/decoder_buffer.h',
         'base/decoder_buffer_queue.cc',
         'base/decoder_buffer_queue.h',
@@ skipping 1955 matching lines @@
                 'dependencies': [
                   '../build/linux/system.gyp:libdrm',
                 ]
               }],
             ],
           }
         ]
     }],
   ],
 }