Minimal implementation of Widevine MediaCAS ECMG.

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=226515998

common/verified_media_pipeline.h

@@ -20,9 +20,8 @@ namespace widevine {
 
 // Retrieve the PlatformVerificationStatus for |vmp_data|.  The
 // PlatformVerificationStatus is defined at
-util::Status VerifyVmpData(
-    const std::string& vmp_data,
-    PlatformVerificationStatus* platform_verification_status);
+Status VerifyVmpData(const std::string& vmp_data,
+                     PlatformVerificationStatus* platform_verification_status);
 
 }  // namespace widevine
 #endif  // COMMON_VERIFIED_MEDIA_PIPELINE_H_