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

media/base/BUILD.gn

 # 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.
 
 import("//build/config/android/config.gni")
 import("//build/config/arm.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//build/config/linux/pkg_config.gni")
 import("//media/media_options.gni")
 import("//testing/libfuzzer/fuzzer_test.gni")
 
 config("base_config") {
   configs = [
     # This target uses the ALLOCATOR_SHIM define.
     "//base/allocator:allocator_shim_define",
     "//build/config:precompiled_headers",
     "//build/config/compiler:no_size_t_to_int_warning",
     "//media:media_config",
     "//media:media_dependent_config",
     "//media:media_implementation",
   ]
 }
 
+# Target that provides the media component's crash keys publicly without
+# needing to depend on the rest of base.
+source_set("crash_keys") {
+  sources = [
+    "crash_keys.cc",
+    "crash_keys.h",
+  ]
+  deps = [
+    "//base",
+    "//components/crash/core/common",
+  ]
+
+  configs += [ "//media:media_implementation" ]
+}
+
 source_set("base") {
   # This is part of the media component.
   visibility = [ "//media/*" ]
   sources = [
     "audio_block_fifo.cc",
     "audio_block_fifo.h",
     "audio_buffer.cc",
     "audio_buffer.h",
     "audio_buffer_converter.cc",
     "audio_buffer_converter.h",
@@ skipping 60 matching lines @@
     "cdm_promise.cc",
     "cdm_promise.h",
     "cdm_promise_adapter.cc",
     "cdm_promise_adapter.h",
     "channel_mixer.cc",
     "channel_mixer.h",
     "channel_mixing_matrix.cc",
     "channel_mixing_matrix.h",
     "container_names.cc",
     "container_names.h",
+    "crash_keys.cc",
+    "crash_keys.h",
     "data_buffer.cc",
     "data_buffer.h",
     "data_source.cc",
     "data_source.h",
     "decode_status.cc",
     "decode_status.h",
     "decoder_buffer.cc",
     "decoder_buffer.h",
     "decoder_buffer_queue.cc",
     "decoder_buffer_queue.h",
@@ skipping 130 matching lines @@
     "wall_clock_time_source.h",
     "yuv_convert.cc",
     "yuv_convert.h",
   ]
 
   allow_circular_includes_from = []
   defines = []
   public_deps = []
   deps = [
     "//base/third_party/dynamic_annotations:dynamic_annotations",
+    "//components/crash/core/common",
     "//gpu",
     "//media:media_features",
     "//media:shared_memory_support",
     "//skia",
     "//third_party/libyuv",
     "//ui/events:events_base",
     "//url:url",
   ]
   libs = []
   configs += [ ":base_config" ]
@@ skipping 345 matching lines @@
 
 fuzzer_test("media_container_names_fuzzer") {
   sources = [
     "container_names_fuzzertest.cc",
   ]
   deps = [
     "//base",
     "//media",
   ]
 }