Introduce Promise mapping to the IDL generator

Source/modules/crypto/SubtleCrypto.idl

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 10 matching lines @@
  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-// FIXME: |PromiseValue| should be replaced with |Promise|. http://crbug.com/266700
-typedef any PromiseValue;
-
 [
     NoInterfaceObject,
 ] interface SubtleCrypto {
-    [RaisesException] PromiseValue encrypt(Dictionary algorithm, Key key, ArrayBufferView data);
-    [RaisesException] PromiseValue decrypt(Dictionary algorithm, Key key, ArrayBufferView data);
-    [RaisesException] PromiseValue sign(Dictionary algorithm, Key key, ArrayBufferView data);
-    [RaisesException, ImplementedAs=verifySignature] PromiseValue verify(Dictionary algorithm, Key key, ArrayBufferView signature, ArrayBufferView data);
-    [RaisesException] PromiseValue digest(Dictionary algorithm, ArrayBufferView data);
+    [RaisesException] Promise encrypt(Dictionary algorithm, Key key, ArrayBufferView data);
+    [RaisesException] Promise decrypt(Dictionary algorithm, Key key, ArrayBufferView data);
+    [RaisesException] Promise sign(Dictionary algorithm, Key key, ArrayBufferView data);
+    [RaisesException, ImplementedAs=verifySignature] Promise verify(Dictionary algorithm, Key key, ArrayBufferView signature, ArrayBufferView data);
+    [RaisesException] Promise digest(Dictionary algorithm, ArrayBufferView data);
 
-    [RaisesException] PromiseValue generateKey(Dictionary algorithm, boolean extractable, DOMString[] keyUsages);
-    [RaisesException] PromiseValue importKey(DOMString format, ArrayBufferView keyData, Dictionary algorithm, boolean extractable, DOMString[] keyUsages);
-    [RaisesException] PromiseValue exportKey(DOMString format, Key key);
+    [RaisesException] Promise generateKey(Dictionary algorithm, boolean extractable, DOMString[] keyUsages);
+    [RaisesException] Promise importKey(DOMString format, ArrayBufferView keyData, Dictionary algorithm, boolean extractable, DOMString[] keyUsages);
+    [RaisesException] Promise exportKey(DOMString format, Key key);
 };