"Reverting 18090"

sdk/lib/indexed_db/dartium/indexed_db_dartium.dart

Index: sdk/lib/indexed_db/dartium/indexed_db_dartium.dart
diff --git a/sdk/lib/indexed_db/dartium/indexed_db_dartium.dart b/sdk/lib/indexed_db/dartium/indexed_db_dartium.dart
index 56b3f105e2a361e8276ec218d49288789d0557bf..44cdb37f3890d3f7c9b0359cc37d3070b522677c 100644
--- a/sdk/lib/indexed_db/dartium/indexed_db_dartium.dart
+++ b/sdk/lib/indexed_db/dartium/indexed_db_dartium.dart
@@ -277,10 +277,7 @@ class IdbFactory extends NativeFieldWrapperClass1 {
 
   @DomName('IDBFactory.webkitGetDatabaseNames')
   @DocsEditable
-  @SupportedBrowser(SupportedBrowser.CHROME)
-  @SupportedBrowser(SupportedBrowser.SAFARI)
-  @Experimental
-  Request getDatabaseNames() native "IDBFactory_webkitGetDatabaseNames_Callback";
+  Request webkitGetDatabaseNames() native "IDBFactory_webkitGetDatabaseNames_Callback";
 
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
@@ -844,10 +841,7 @@ class Request extends EventTarget {
 
   @DomName('IDBRequest.webkitErrorMessage')
   @DocsEditable
-  @SupportedBrowser(SupportedBrowser.CHROME)
-  @SupportedBrowser(SupportedBrowser.SAFARI)
-  @Experimental
-  String get errorMessage native "IDBRequest_webkitErrorMessage_Getter";
+  String get webkitErrorMessage native "IDBRequest_webkitErrorMessage_Getter";
 
   @DomName('IDBRequest.addEventListener')
   @DocsEditable
@@ -927,10 +921,7 @@ class Transaction extends EventTarget {
 
   @DomName('IDBTransaction.webkitErrorMessage')
   @DocsEditable
-  @SupportedBrowser(SupportedBrowser.CHROME)
-  @SupportedBrowser(SupportedBrowser.SAFARI)
-  @Experimental
-  String get errorMessage native "IDBTransaction_webkitErrorMessage_Getter";
+  String get webkitErrorMessage native "IDBTransaction_webkitErrorMessage_Getter";
 
   @DomName('IDBTransaction.abort')
   @DocsEditable