[WebCrypto] Move LayoutTests from crypto to crypto/subtle

LayoutTests/crypto/resources/common.js

-function logError(error)
-{
-    debug("error is: " + error.toString());
-}
-
-// Verifies that the given "bytes" holds the same value as "expectedHexString".
-// "bytes" can be anything recognized by "bytesToHexString()".
-function bytesShouldMatchHexString(testDescription, expectedHexString, bytes)
-{
-    expectedHexString = "[" + expectedHexString.toLowerCase() + "]";
-    var actualHexString = "[" + bytesToHexString(bytes) + "]";
-
-    if (actualHexString === expectedHexString) {
-        debug("PASS: " + testDescription + " should be " + expectedHexString + " and was");
-    } else {
-        debug("FAIL: " + testDescription + " should be " + expectedHexString + " but was " + actualHexString);
-    }
-}
-
-// Builds a hex string representation for an array-like input.
-// "bytes" can be an Array of bytes, an ArrayBuffer, or any TypedArray.
-// The output looks like this:
-//    ab034c99
-function bytesToHexString(bytes)
-{
-    if (!bytes)
-        return null;
-
-    bytes = new Uint8Array(bytes);
-    var hexBytes = [];
-
-    for (var i = 0; i < bytes.length; ++i) {
-        var byteString = bytes[i].toString(16);
-        if (byteString.length < 2)
-            byteString = "0" + byteString;
-        hexBytes.push(byteString);
-    }
-
-    return hexBytes.join("");
-}
-
-function bytesToASCIIString(bytes)
-{
-    return String.fromCharCode.apply(null, new Uint8Array(bytes));
-}
-
-function hexStringToUint8Array(hexString)
-{
-    if (hexString.length % 2 != 0)
-        throw "Invalid hexString";
-    var arrayBuffer = new Uint8Array(hexString.length / 2);
-
-    for (var i = 0; i < hexString.length; i += 2) {
-        var byteValue = parseInt(hexString.substr(i, 2), 16);
-        if (byteValue == NaN)
-            throw "Invalid hexString";
-        arrayBuffer[i/2] = byteValue;
-    }
-
-    return arrayBuffer;
-}
-
-function asciiToUint8Array(str)
-{
-    var chars = [];
-    for (var i = 0; i < str.length; ++i)
-        chars.push(str.charCodeAt(i));
-    return new Uint8Array(chars);
-}
-
-var Base64URL = {
-    stringify: function (a) {
-        var base64string = btoa(String.fromCharCode.apply(0, a));
-        return base64string.replace(/=/g, "").replace(/\+/g, "-").replace(/\//g, "_");
-    },
-    parse: function (s) {
-        s = s.replace(/-/g, "+").replace(/_/g, "/").replace(/\s/g, '');
-        return new Uint8Array(Array.prototype.map.call(atob(s), function (c) { return c.charCodeAt(0) }));
-    }
-};
-
-function failAndFinishJSTest(error)
-{
-    testFailed('' + error);
-    finishJSTest();
-}
-
-// Returns a Promise for the cloned key.
-function cloneKey(key)
-{
-    // Sending an object through a MessagePort implicitly clones it.
-    // Use a single MessageChannel so requests complete in FIFO order.
-    var self = cloneKey;
-    if (!self.channel) {
-        self.channel = new MessageChannel();
-        self.callbacks = [];
-        self.channel.port1.addEventListener('message', function(e) {
-            var callback = self.callbacks.shift();
-            callback(e.data);
-        }, false);
-        self.channel.port1.start();
-    }
-
-    return new Promise(function(resolve, reject) {
-        self.callbacks.push(resolve);
-        self.channel.port2.postMessage(key);
-    });
-}
-
-// Logging the serialized format ensures that if it changes it will break tests.
-function logSerializedKey(o)
-{
-    if (internals) {
-        // Removing the version tag from the output so serialization format changes don't need to update all the crypto tests.
-        var serialized = internals.serializeObject(o);
-        var serializedWithoutVersion = new Uint8Array(serialized, 2);
-        debug("Serialized key bytes: " + bytesToHexString(serializedWithoutVersion));
-    }
-}
-
-function shouldEvaluateAs(actual, expectedValue)
-{
-    if (typeof expectedValue == "string")
-        return shouldBeEqualToString(actual, expectedValue);
-    return shouldEvaluateTo(actual, expectedValue);
-}