[WebCrypto] Crypto tests updated to use KeyUsage

LayoutTests/crypto/exportKey-deserializedKey-expected.txt

Index: LayoutTests/crypto/exportKey-deserializedKey-expected.txt
diff --git a/LayoutTests/crypto/exportKey-deserializedKey-expected.txt b/LayoutTests/crypto/exportKey-deserializedKey-expected.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b641c0aebe7df311c18b7ed69eaca7f55d36d3ad
--- /dev/null
+++ b/LayoutTests/crypto/exportKey-deserializedKey-expected.txt
@@ -0,0 +1,23 @@
+Test storing a Raw key in IndexedDB, and retrieving it which has empty key usage.

[eroman, 2014/12/17 21:08:43]

Where is this test? It is not attached to the changelist...

[Habib Virji, 2014/12/18 09:36:38]

It is from first patch, somehow this file got included in the patch and did not
noticed. 

+
+On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
+
+
+Put key into database successfully
+Put key into database successfully
+Read AES Key
+PASS retrievedKey.format is "jwk"
+PASS retrievedKey.keyData.k is "jnOw99oOZFLIEPMrgJB55WL46tJSLGt7jnOw99oOZFI"
+PASS retrievedKey.extractable is true
+PASS retrievedKey.algorithm.name is "AES-CBC"
+PASS retrievedKey.usages is []
+Read HMAC Key
+PASS retrievedKey.format is "jwk"
+PASS retrievedKey.keyData.k is "jnOw99oOZFLIEPMrgJB55WL46tJSLGt7jnOw99oOZFI"
+PASS retrievedKey.extractable is true
+PASS retrievedKey.algorithm.name is "HMAC"
+PASS retrievedKey.usages is []
+PASS successfullyParsed is true
+
+TEST COMPLETE
+