media: Add experimental feature to enable Mojo CDM on desktop Chromium

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",
     ]
   }
+
+  # TODO(xhwang): Move other library CDM related files to this block as well.
+  if (enable_pepper_cdms) {
+    deps += [
+      ":cdm_paths",
+
+      # TODO(xhwang): Remove this after Widevine specific logic is removed in
+      # CdmAdapterFactory. See http://crbug.com/510604
+      "//third_party/widevine/cdm:headers",
+    ]
+    sources += [
+      "cdm/cdm_adapter_factory.cc",
+      "cdm/cdm_adapter_factory.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.
@@ skipping 475 matching lines @@
   fuzzer_test("media_mp4_avcc_parser_fuzzer") {
     sources = [
       "formats/mp4/mp4_avcc_parser_fuzzer.cc",
     ]
     deps = [
       ":media",
       "//base",
     ]
   }
 }