Provide metadata to validator to allow faster caching.

src/trusted/validator/x86/32/ncvalidate.c

Index: src/trusted/validator/x86/32/ncvalidate.c
diff --git a/src/trusted/validator/x86/32/ncvalidate.c b/src/trusted/validator/x86/32/ncvalidate.c
index a4e5a5be21bb39d4bb463c290c4257ea7a776bfd..ec1aabf555e2b7391205d09cea931f085b1df820 100644
--- a/src/trusted/validator/x86/32/ncvalidate.c
+++ b/src/trusted/validator/x86/32/ncvalidate.c
@@ -30,6 +30,7 @@ static NaClValidationStatus ApplyValidator_x86_32(
     int stubout_mode,
     int readonly_text,
     const NaClCPUFeatures *f,
+    const struct NaClValidationMetadata *metadata,
     struct NaClValidationCache *cache) {
   /* TODO(jfb) Use a safe cast here. */
   const NaClCPUFeaturesX86 *cpu_features = (NaClCPUFeaturesX86 *) f;
@@ -55,7 +56,7 @@ static NaClValidationStatus ApplyValidator_x86_32(
     const char validator_id[] = "x86-32";
     cache->AddData(query, (uint8_t *) validator_id, sizeof(validator_id));
     cache->AddData(query, (uint8_t *) cpu_features, sizeof(*cpu_features));
-    cache->AddData(query, data, size);
+    AddCodeIdentity(data, size, metadata, cache, query);
     if (cache->QueryKnownToValidate(query)) {
       cache->DestroyQuery(query);
       return NaClValidationSucceeded;