[WebCrypto] Throw syntaxError if keyUsage is empty in ImportKey

content/child/webcrypto/test/rsa_ssa_unittest.cc

Index: content/child/webcrypto/test/rsa_ssa_unittest.cc
diff --git a/content/child/webcrypto/test/rsa_ssa_unittest.cc b/content/child/webcrypto/test/rsa_ssa_unittest.cc
index 1733ae78e3a9ce92aef0d0e05bb9d6edd9f4399b..7d18d6ea27bffcdc8d0840c15261f80a7f99fc6d 100644
--- a/content/child/webcrypto/test/rsa_ssa_unittest.cc
+++ b/content/child/webcrypto/test/rsa_ssa_unittest.cc
@@ -823,6 +823,18 @@ TEST(WebCryptoRsaSsaTest, GenerateKeyPairEmptyUsages) {
                             true, 0, &public_key, &private_key));
 }
 
+TEST(WebCryptoRsaSsaTest, ImportKeyEmptyUsages) {
+  blink::WebCryptoKey key;
+  ASSERT_EQ(Status::ErrorImportKeyEmptyUsages(),

[eroman, 2014/12/09 17:42:55]

Incorrect, this should pass per the spec.

+            ImportKey(blink::WebCryptoKeyFormatSpki,
+                      CryptoData(HexStringToBytes(kPublicKeySpkiDerHex)),
+                      CreateRsaHashedImportAlgorithm(
+                          blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5,
+                          blink::WebCryptoAlgorithmIdSha256),
+                      true, 0, &key));
+
+}
+
 TEST(WebCryptoRsaSsaTest, ImportExportJwkRsaPublicKey) {
   struct TestCase {
     const blink::WebCryptoAlgorithmId hash;