media: Add build flag for CDM host verification

content/app/content_main_runner.cc

Index: content/app/content_main_runner.cc
diff --git a/content/app/content_main_runner.cc b/content/app/content_main_runner.cc
index c2839221ad4b22eb5b8c17b51671328918570687..90cf9d3e182010c0c8611055ae5271a2a0cb849d 100644
--- a/content/app/content_main_runner.cc
+++ b/content/app/content_main_runner.cc
@@ -125,7 +125,7 @@
 #include "content/utility/in_process_utility_thread.h"
 #endif
 
-#if BUILDFLAG(ENABLE_PEPPER_CDMS)
+#if BUILDFLAG(ENABLE_CDM_HOST_VERIFICATION)
 #include "content/common/media/cdm_host_files.h"
 #endif
 
@@ -400,7 +400,7 @@ int RunZygote(const MainFunctionParams& main_function_params,
       command_line.GetSwitchValueASCII(switches::kProcessType);
   ContentClientInitializer::Set(process_type, delegate);
 
-#if BUILDFLAG(ENABLE_PEPPER_CDMS)
+#if BUILDFLAG(ENABLE_CDM_HOST_VERIFICATION)
   if (process_type != switches::kPpapiPluginProcess) {
     DVLOG(1) << "Closing CDM files for non-ppapi process.";
     CdmHostFiles::TakeGlobalInstance().reset();