diff --git chrome/common/chrome_content_client.cc chrome/common/chrome_content_client.cc
index 05e23a6..051dab3 100644
--- chrome/common/chrome_content_client.cc
+++ chrome/common/chrome_content_client.cc
@@ -82,7 +82,7 @@
 #endif
 
 #if defined(WIDEVINE_CDM_AVAILABLE) && BUILDFLAG(ENABLE_PEPPER_CDMS) && \
-    !defined(WIDEVINE_CDM_IS_COMPONENT)
+    !defined(WIDEVINE_CDM_IS_COMPONENT) && defined(WIDEVINE_CDM_VERSION_STRING)
 #define WIDEVINE_CDM_AVAILABLE_NOT_COMPONENT
 #include "chrome/common/widevine_cdm_constants.h"
 #endif