Cleanup: rename usage_mask --> usages.

content/child/webcrypto/nss/aes_key_nss.cc

Index: content/child/webcrypto/nss/aes_key_nss.cc
diff --git a/content/child/webcrypto/nss/aes_key_nss.cc b/content/child/webcrypto/nss/aes_key_nss.cc
index dda4d6bd89b8739f226dfb0784c947e240edc509..2bd0c57e3965ef9499838f6be1b8a08d8b64a761 100644
--- a/content/child/webcrypto/nss/aes_key_nss.cc
+++ b/content/child/webcrypto/nss/aes_key_nss.cc
@@ -40,9 +40,9 @@ AesAlgorithm::AesAlgorithm(CK_MECHANISM_TYPE import_mechanism,
 
 Status AesAlgorithm::GenerateKey(const blink::WebCryptoAlgorithm& algorithm,
                                  bool extractable,
-                                 blink::WebCryptoKeyUsageMask usage_mask,
+                                 blink::WebCryptoKeyUsageMask usages,
                                  GenerateKeyResult* result) const {
-  Status status = CheckKeyCreationUsages(all_key_usages_, usage_mask);
+  Status status = CheckKeyCreationUsages(all_key_usages_, usages);
   if (status.IsError())
     return status;
 
@@ -54,7 +54,7 @@ Status AesAlgorithm::GenerateKey(const blink::WebCryptoAlgorithm& algorithm,
   return GenerateSecretKeyNss(
       blink::WebCryptoKeyAlgorithm::createAes(algorithm.id(), keylen_bits),
       extractable,
-      usage_mask,
+      usages,
       keylen_bits / 8,
       CKM_AES_KEY_GEN,
       result);
@@ -62,11 +62,11 @@ Status AesAlgorithm::GenerateKey(const blink::WebCryptoAlgorithm& algorithm,
 
 Status AesAlgorithm::VerifyKeyUsagesBeforeImportKey(
     blink::WebCryptoKeyFormat format,
-    blink::WebCryptoKeyUsageMask usage_mask) const {
+    blink::WebCryptoKeyUsageMask usages) const {
   switch (format) {
     case blink::WebCryptoKeyFormatRaw:
     case blink::WebCryptoKeyFormatJwk:
-      return CheckKeyCreationUsages(all_key_usages_, usage_mask);
+      return CheckKeyCreationUsages(all_key_usages_, usages);
     default:
       return Status::ErrorUnsupportedImportKeyFormat();
   }
@@ -74,7 +74,7 @@ Status AesAlgorithm::VerifyKeyUsagesBeforeImportKey(
 Status AesAlgorithm::ImportKeyRaw(const CryptoData& key_data,
                                   const blink::WebCryptoAlgorithm& algorithm,
                                   bool extractable,
-                                  blink::WebCryptoKeyUsageMask usage_mask,
+                                  blink::WebCryptoKeyUsageMask usages,
                                   blink::WebCryptoKey* key) const {
   const unsigned int keylen_bytes = key_data.byte_length();
   Status status = VerifyAesKeyLengthForImport(keylen_bytes);
@@ -88,7 +88,7 @@ Status AesAlgorithm::ImportKeyRaw(const CryptoData& key_data,
       key_data,
       blink::WebCryptoKeyAlgorithm::createAes(algorithm.id(), keylen_bits),
       extractable,
-      usage_mask,
+      usages,
       import_mechanism_,
       import_flags_,
       key);
@@ -97,16 +97,16 @@ Status AesAlgorithm::ImportKeyRaw(const CryptoData& key_data,
 Status AesAlgorithm::ImportKeyJwk(const CryptoData& key_data,
                                   const blink::WebCryptoAlgorithm& algorithm,
                                   bool extractable,
-                                  blink::WebCryptoKeyUsageMask usage_mask,
+                                  blink::WebCryptoKeyUsageMask usages,
                                   blink::WebCryptoKey* key) const {
   std::vector<uint8_t> raw_data;
   Status status = ReadAesSecretKeyJwk(
-      key_data, jwk_suffix_, extractable, usage_mask, &raw_data);
+      key_data, jwk_suffix_, extractable, usages, &raw_data);
   if (status.IsError())
     return status;
 
   return ImportKeyRaw(
-      CryptoData(raw_data), algorithm, extractable, usage_mask, key);
+      CryptoData(raw_data), algorithm, extractable, usages, key);
 }
 
 Status AesAlgorithm::ExportKeyRaw(const blink::WebCryptoKey& key,