Revert of Check that usage isn't empty when generateKey() is called

content/child/webcrypto/test/aes_gcm_unittest.cc

Index: content/child/webcrypto/test/aes_gcm_unittest.cc
diff --git a/content/child/webcrypto/test/aes_gcm_unittest.cc b/content/child/webcrypto/test/aes_gcm_unittest.cc
index 2c2046fc1258c56f1f345826c01abdcb4d622fe2..03464145f88948b2b593812faf88486eebcdaada 100644
--- a/content/child/webcrypto/test/aes_gcm_unittest.cc
+++ b/content/child/webcrypto/test/aes_gcm_unittest.cc
@@ -113,20 +113,9 @@
   for (size_t i = 0; i < arraysize(kKeyLen); ++i) {
     SCOPED_TRACE(i);
     EXPECT_EQ(Status::ErrorGenerateKeyLength(),
-              GenerateSecretKey(CreateAesGcmKeyGenAlgorithm(kKeyLen[i]), true,
-                                blink::WebCryptoKeyUsageDecrypt, &key));
-  }
-}
-
-TEST(WebCryptoAesGcmTest, GenerateKeyEmptyUsage) {
-  if (!SupportsAesGcm()) {
-    LOG(WARNING) << "AES GCM not supported, skipping tests";
-    return;
-  }
-
-  blink::WebCryptoKey key;
-  EXPECT_EQ(Status::ErrorCreateKeyEmptyUsages(),
-            GenerateSecretKey(CreateAesGcmKeyGenAlgorithm(256), true, 0, &key));
+              GenerateSecretKey(
+                  CreateAesGcmKeyGenAlgorithm(kKeyLen[i]), true, 0, &key));
+  }
 }
 
 TEST(WebCryptoAesGcmTest, ImportExportJwk) {