Move ENABLE_PEPPER_CDMS to a buildflag header.

components/cdm/renderer/widevine_key_system_properties.cc

 // Copyright 2016 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.
 
 #include "components/cdm/renderer/widevine_key_system_properties.h"
 
+#include "ppapi/features/features.h"
 #include "widevine_cdm_version.h"  // In SHARED_INTERMEDIATE_DIR.
 
 #if defined(WIDEVINE_CDM_AVAILABLE)
 
 using media::EmeConfigRule;
 using media::EmeFeatureSupport;
 using media::EmeInitDataType;
 using media::EmeMediaType;
 using media::EmeSessionTypeSupport;
 using media::SupportedCodecs;
@@ skipping 141 matching lines @@
 EmeFeatureSupport WidevineKeySystemProperties::GetPersistentStateSupport()
     const {
   return persistent_state_support_;
 }
 
 EmeFeatureSupport WidevineKeySystemProperties::GetDistinctiveIdentifierSupport()
     const {
   return distinctive_identifier_support_;
 }
 
-#if defined(ENABLE_PEPPER_CDMS)
+#if BUILDFLAG(ENABLE_PEPPER_CDMS)
 std::string WidevineKeySystemProperties::GetPepperType() const {
   return kWidevineCdmPluginMimeType;
 }
 #endif
 
 }  // namespace cdm
 
 #endif  // WIDEVINE_CDM_AVAILABLE