media: Fix gn deps on media/ targets.

media/cdm/ppapi/ppapi_cdm_adapter.gni

 # Copyright 2015 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.
 
 # This template defines a CDM adapter target. Just use this as you would a
 # normal target and everything should work correctly. If GYP, you would instead
 # depend on media/media_cdm_adapter.gyp:cdmadapter which would in turn modify
 # your target with direct_dependent_settings.
 template("ppapi_cdm_adapter") {
   # TODO(GYP) On Mac/Linux this should be a loadable_module.
   shared_library(target_name) {
     # Don't filter sources list again.
     set_sources_assignment_filter([])
     cflags = []
     sources = []
     ldflags = []
     libs = []
     forward_variables_from(invoker, "*")
 
     defines += [ "USE_PPAPI_CDM_ADAPTER" ]
+    deps += [
+      "//media:cdm_api",
+      "//ppapi/cpp",
+    ]
     sources += [
-      "//media/cdm/api/content_decryption_module.h",
       "//media/cdm/cdm_helpers.cc",
       "//media/cdm/cdm_helpers.h",
       "//media/cdm/cdm_wrapper.h",
       "//media/cdm/ppapi/cdm_file_io_impl.cc",
       "//media/cdm/ppapi/cdm_file_io_impl.h",
       "//media/cdm/ppapi/cdm_logging.cc",
       "//media/cdm/ppapi/cdm_logging.h",
       "//media/cdm/ppapi/linked_ptr.h",
       "//media/cdm/ppapi/ppapi_cdm_adapter.cc",
       "//media/cdm/ppapi/ppapi_cdm_adapter.h",
@@ skipping 19 matching lines @@
 
     if (is_linux && !is_component_build) {
       # CDM adapter depends on a CDM even in non-component builds.
       configs += [ "//build/config/gcc:rpath_for_built_shared_libraries" ]
     }
 
     # TODO(jschuh) crbug.com/167187
     configs += [ "//build/config/compiler:no_size_t_to_int_warning" ]
   }
 }