Extract CdmManager from MojoCdmService.

media/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/buildflag_header.gni")
 import("//build/config/android/config.gni")
 import("//build/config/arm.gni")
 import("//build/config/features.gni")
 import("//build/config/linux/pkg_config.gni")
 import("//build/config/ui.gni")
@@ skipping 493 matching lines @@
 
   if (use_udev) {
     deps += [ "//device/udev_linux" ]
     sources += [
       "device_monitors/device_monitor_udev.cc",
       "device_monitors/device_monitor_udev.h",
     ]
   }
 }
 
+config("cdm_manager_implementation") {
+  defines = [ "CDM_MANAGER_IMPLEMENTATION" ]
+}
+
+# cdm_manager must not be a source_set() because CdmManager exposes a static
+# singleton, shared by multiple component()s.
+#
+# TODO(xhwang): Remove this component once AVDA no longer depends on it.
+component("cdm_manager") {
+  visibility = [
+    "//media/gpu",
+    "//media/mojo/services:lib",
+  ]
+  sources = [
+    "cdm/cdm_manager.cc",
+    "cdm/cdm_manager.h",
+    "cdm/cdm_manager_export.h",
+  ]
+  configs += [ ":cdm_manager_implementation" ]
+  deps = [
+    ":media",
+    "//base",
+  ]
+}
+
 static_library("cdm_paths") {
   sources = [
     "cdm/cdm_paths.cc",
     "cdm/cdm_paths.h",
   ]
   deps = [
     "//base",
   ]
 }
 
@@ skipping 447 matching lines @@
   fuzzer_test("media_mp4_avcc_parser_fuzzer") {
     sources = [
       "formats/mp4/mp4_avcc_parser_fuzzer.cc",
     ]
     deps = [
       ":media",
       "//base",
     ]
   }
 }