Fixes for Chrome 34 merge

tools/dom/idl/dart/dart.idl

 // This file introduces / supplements and forces Dart declarations.
 
 [Supplemental,
  Constructor]
 interface AudioContext {
   // TODO(ager): Auto-generate this custom method when the info about retaining
   // typed arrays is in the IDL.
   [Custom] void decodeAudioData(ArrayBuffer audioData, AudioBufferCallback successCallback, AudioBufferCallback errorCallback);
 };
 
@@ skipping 262 matching lines @@
 interface FormData {
   [Suppressed] void append(DOMString name, DOMString value, DOMString filename);
   [Custom] void append(DOMString name, DOMString value);
   [Custom] void append(DOMString name, Blob value, optional DOMString filename);
 };
 
 [Supplemental]
 interface SQLResultSetRowList {
   // Change the return type to Dictionary so that rows are exposed in the Dart
   // API as a Maps, with the appropriate conversion in JavaScript.
-  [Suppressed] any item(unsigned long index);
+  [Suppressed] object item(unsigned long index);
   [Custom] Dictionary item(unsigned long index);
 };
 
 [Supplemental]
 interface WebSocket {
   // Suppress the default since it has non-standard return type and add
   // overrides.
   [Suppressed] boolean send(ArrayBuffer data);
   [Suppressed] boolean send(ArrayBufferView data);
   [Suppressed] boolean send(Blob data);
@@ skipping 58 matching lines @@
 // TextEncoder/TextDecoder
 [Suppressed]
 interface TextEncoder {};
 
 [Suppressed]
 interface TextDecoder {};
 
 [Supplemental]
 interface Window : EventTarget {};
 
+[Suppressed]
+interface Promise {};
+
+[Suppressed]
+interface InstallEvent {};
+
+[Suppressed]
+interface InstallPhaseEvent {};
+
 Element implements GlobalEventHandlers;