media: Add static MojoCdmService::GetCdm().

content/common/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/features.gni")
 import("//build/config/ui.gni")
 import("//content/common/common.gni")
+import("//media/media_options.gni")
 import("//mojo/public/tools/bindings/mojom.gni")
 if (is_mac) {
   import("//build/config/mac/mac_sdk.gni")
 }
 
 if (is_chromeos && current_cpu != "arm") {
   action("libva_generate_stubs") {
     extra_header = "gpu/media/va_stub_header.fragment"
 
     script = "../../tools/generate_stubs/generate_stubs.py"
@@ skipping 343 matching lines @@
       "gpu/media/avda_state_provider.h",
     ]
 
     if (enable_webrtc) {
       deps += [ "//third_party/libyuv" ]
       sources += [
         "gpu/media/android_video_encode_accelerator.cc",
         "gpu/media/android_video_encode_accelerator.h",
       ]
     }
+
+    if (enable_mojo_media == "gpu") {
+      deps += [ "//media/mojo/services:application" ]
+    }
   }
 
   if (is_chromeos) {
     sources += [
       "gpu/media/accelerated_video_decoder.h",
       "gpu/media/h264_decoder.cc",
       "gpu/media/h264_decoder.h",
       "gpu/media/h264_dpb.cc",
       "gpu/media/h264_dpb.h",
       "gpu/media/vp8_decoder.cc",
@@ skipping 156 matching lines @@
 
   import_dirs = [ "//mojo/services" ]
 
   deps = [
     "//content/public/common:mojo_bindings",
     "//mojo/application/public/interfaces",
     "//skia/public/interfaces",
     "//ui/mojo/geometry:interfaces",
   ]
 }