Support JS$ prefix for dart and fix bug where _operator_getter and the [] operator were used incons…

sdk/lib/indexed_db/dartium/indexed_db_dartium.dart

 /**
  * A client-side key-value store with support for indexes.
  *
  * Many browsers support IndexedDB—a web standard for
  * an indexed database.
  * By storing data on the client in an IndexedDB,
  * a web app gets some advantages, such as faster performance and persistence.
  * To find out which browsers support IndexedDB,
  * refer to [Can I Use?](http://caniuse.com/#feat=indexeddb)
  *
@@ skipping 229 matching lines @@
 class CursorWithValue extends Cursor {
   // To suppress missing implicit constructor warnings.
   factory CursorWithValue._() { throw new UnsupportedError("Not supported"); }
 
 
   @Deprecated("Internal Use Only")
   static CursorWithValue internalCreateCursorWithValue() {
     return new CursorWithValue._internalWrap();
   }
 
-  factory CursorWithValue._internalWrap() {
-    return new CursorWithValue.internal_();
-  }
+  external factory CursorWithValue._internalWrap();
 
   @Deprecated("Internal Use Only")
   CursorWithValue.internal_() : super.internal_();
 
 
   @DomName('IDBCursorWithValue.value')
   @DocsEditable()
   Object get value => wrap_jso(_blink.BlinkIDBCursorWithValue.instance.value_Getter_(unwrap_jso(this)));
   
 }
@@ skipping 95 matching lines @@
   @DomName('IDBDatabase.versionchangeEvent')
   @DocsEditable()
   static const EventStreamProvider<VersionChangeEvent> versionChangeEvent = const EventStreamProvider<VersionChangeEvent>('versionchange');
 
 
   @Deprecated("Internal Use Only")
   static Database internalCreateDatabase() {
     return new Database._internalWrap();
   }
 
-  factory Database._internalWrap() {
-    return new Database.internal_();
-  }
+  external factory Database._internalWrap();
 
   @Deprecated("Internal Use Only")
   Database.internal_() : super.internal_();
 
 
   @DomName('IDBDatabase.name')
   @DocsEditable()
   String get name => _blink.BlinkIDBDatabase.instance.name_Getter_(unwrap_jso(this));
   
   @DomName('IDBDatabase.objectStoreNames')
@@ skipping 738 matching lines @@
   @DomName('IDBOpenDBRequest.upgradeneededEvent')
   @DocsEditable()
   static const EventStreamProvider<VersionChangeEvent> upgradeNeededEvent = const EventStreamProvider<VersionChangeEvent>('upgradeneeded');
 
 
   @Deprecated("Internal Use Only")
   static OpenDBRequest internalCreateOpenDBRequest() {
     return new OpenDBRequest._internalWrap();
   }
 
-  factory OpenDBRequest._internalWrap() {
-    return new OpenDBRequest.internal_();
-  }
+  external factory OpenDBRequest._internalWrap();
 
   @Deprecated("Internal Use Only")
   OpenDBRequest.internal_() : super.internal_();
 
 
   /// Stream of `blocked` events handled by this [OpenDBRequest].
   @DomName('IDBOpenDBRequest.onblocked')
   @DocsEditable()
   Stream<Event> get onBlocked => blockedEvent.forTarget(this);
 
@@ skipping 36 matching lines @@
   @DomName('IDBRequest.successEvent')
   @DocsEditable()
   static const EventStreamProvider<Event> successEvent = const EventStreamProvider<Event>('success');
 
 
   @Deprecated("Internal Use Only")
   static Request internalCreateRequest() {
     return new Request._internalWrap();
   }
 
-  factory Request._internalWrap() {
-    return new Request.internal_();
-  }
+  external factory Request._internalWrap();
 
   @Deprecated("Internal Use Only")
   Request.internal_() : super.internal_();
 
 
   @DomName('IDBRequest.error')
   @DocsEditable()
   DomError get error => wrap_jso(_blink.BlinkIDBRequest.instance.error_Getter_(unwrap_jso(this)));
   
   @DomName('IDBRequest.readyState')
@@ skipping 92 matching lines @@
   @DomName('IDBTransaction.errorEvent')
   @DocsEditable()
   static const EventStreamProvider<Event> errorEvent = const EventStreamProvider<Event>('error');
 
 
   @Deprecated("Internal Use Only")
   static Transaction internalCreateTransaction() {
     return new Transaction._internalWrap();
   }
 
-  factory Transaction._internalWrap() {
-    return new Transaction.internal_();
-  }
+  external factory Transaction._internalWrap();
 
   @Deprecated("Internal Use Only")
   Transaction.internal_() : super.internal_();
 
 
   @DomName('IDBTransaction.db')
   @DocsEditable()
   Database get db => wrap_jso(_blink.BlinkIDBTransaction.instance.db_Getter_(unwrap_jso(this)));
   
   @DomName('IDBTransaction.error')
@@ skipping 41 matching lines @@
 class VersionChangeEvent extends Event {
   // To suppress missing implicit constructor warnings.
   factory VersionChangeEvent._() { throw new UnsupportedError("Not supported"); }
 
 
   @Deprecated("Internal Use Only")
   static VersionChangeEvent internalCreateVersionChangeEvent() {
     return new VersionChangeEvent._internalWrap();
   }
 
-  factory VersionChangeEvent._internalWrap() {
-    return new VersionChangeEvent.internal_();
-  }
+  external factory VersionChangeEvent._internalWrap();
 
   @Deprecated("Internal Use Only")
   VersionChangeEvent.internal_() : super.internal_();
 
 
   @DomName('IDBVersionChangeEvent.dataLoss')
   @DocsEditable()
   @Experimental() // untriaged
   String get dataLoss => _blink.BlinkIDBVersionChangeEvent.instance.dataLoss_Getter_(unwrap_jso(this));
   
   @DomName('IDBVersionChangeEvent.dataLossMessage')
   @DocsEditable()
   @Experimental() // untriaged
   String get dataLossMessage => _blink.BlinkIDBVersionChangeEvent.instance.dataLossMessage_Getter_(unwrap_jso(this));
   
   @DomName('IDBVersionChangeEvent.newVersion')
   @DocsEditable()
   int get newVersion => _blink.BlinkIDBVersionChangeEvent.instance.newVersion_Getter_(unwrap_jso(this));
   
   @DomName('IDBVersionChangeEvent.oldVersion')
   @DocsEditable()
   int get oldVersion => _blink.BlinkIDBVersionChangeEvent.instance.oldVersion_Getter_(unwrap_jso(this));
   
 }