Fixed more sdk/lib issues

tools/dom/idl/dart/dart.idl

 // This file introduces / supplements and forces Dart declarations.
 
 [DartSupplemental,
  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 192 matching lines @@
   [DartName=only_] static IDBKeyRange only(any value);
   [DartName=lowerBound_] static IDBKeyRange lowerBound(any bound, [DartForceOptional] optional boolean open);
   [DartName=upperBound_] static IDBKeyRange upperBound(any bound, [DartForceOptional] optional boolean open);
   [DartName=bound_] static IDBKeyRange bound(any lower, any upper, [DartForceOptional] optional boolean lowerOpen, [DartForceOptional] optional boolean upperOpen);
 };
 
 [DartSupplemental]
 interface IDBObjectStore {
     [CallWith=ScriptState, RaisesException] IDBRequest put(any value, [DartForceOptional] optional any key);
     [CallWith=ScriptState, RaisesException] IDBRequest add(any value, [DartForceOptional] optional any key);
-    // [CallWith=ExecutionContext, ImplementedAs=deleteFunction, RaisesException] IDBRequest delete(any key);
-    [CallWith=ExecutionContext, RaisesException] IDBRequest openCursor([Default=Undefined] optional any range, [DartForceOptional] optional DOMString direction);
-    [CallWith=ExecutionContext, RaisesException] IDBRequest count([Default=Undefined] any key);
 };
 
 interface EntrySync {
   // Native implementation is declared to return EntrySync.
   [DartSuppress] DirectoryEntrySync getParent();
   EntrySync getParent();
 };
 
 [DartSupplemental,
   CustomConstructor,
@@ skipping 229 matching lines @@
     //              is Uint8Array or sequence<unsigned long>.  For now suppress
     //              the new operation. Vijay suggestion, and I think this makes
     //              sense, change dart:html to have a send operation that takes
     //              a List<int> and have custom handler to call the correct
     //              method.  The dart:blink library needs to do something else
     //              postfix the name with send_sequence (?).
     [DartSuppress] void send(sequence<unsigned long> data, optional double timestamp);
 };
 
 Element implements GlobalEventHandlers;