Fix for bug 14923

tools/dom/templates/html/impl/impl_AudioContext.darttemplate

Index: tools/dom/templates/html/impl/impl_AudioContext.darttemplate
diff --git a/tools/dom/templates/html/impl/impl_AudioContext.darttemplate b/tools/dom/templates/html/impl/impl_AudioContext.darttemplate
index 965b892f7f8f58e931548f0f7c590dcf7856eeb1..1d0f91ef87b2c0ab623a9b38238845bece91e8e5 100644
--- a/tools/dom/templates/html/impl/impl_AudioContext.darttemplate
+++ b/tools/dom/templates/html/impl/impl_AudioContext.darttemplate
@@ -34,4 +34,18 @@ $if DART2JS
     }
   }
 $endif
+  @DomName('AudioContext.decodeAudioData')
+  Future<AudioBuffer> decodeAudioData(ByteBuffer audioData) {
+    var completer = new Completer<AudioBuffer>();
+    _decodeAudioData(audioData,
+        (value) { completer.complete(value); },
+        (error) {
+          if (error == null) {
+            completer.completeError('');
+          } else {
+            completer.completeError(error);
+          }
+        });
+    return completer.future;
+  }
 }