Deprecating old DOM event APIs.

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 5ac406d9297c4e41172fc330d5440c793152f20a..1c4946a09c0905c2fc843e254e319f05d3bae8bb 100644
--- a/sdk/lib/indexed_db/dartium/indexed_db_dartium.dart
+++ b/sdk/lib/indexed_db/dartium/indexed_db_dartium.dart
@@ -137,6 +137,7 @@ class Database extends EventTarget {
 
   @DocsEditable
   @DomName('EventTarget.addEventListener, EventTarget.removeEventListener, EventTarget.dispatchEvent')
+  @deprecated
   DatabaseEvents get on =>
     new DatabaseEvents(this);
 
@@ -170,7 +171,7 @@ class Database extends EventTarget {
 
   @DomName('IDBDatabase.dispatchEvent')
   @DocsEditable
-  bool $dom_dispatchEvent(Event evt) native "IDBDatabase_dispatchEvent_Callback";
+  bool dispatchEvent(Event evt) native "IDBDatabase_dispatchEvent_Callback";
 
   @DomName('IDBDatabase.removeEventListener')
   @DocsEditable
@@ -216,6 +217,7 @@ class Database extends EventTarget {
 }
 
 @DocsEditable
+@deprecated
 class DatabaseEvents extends Events {
   @DocsEditable
   DatabaseEvents(EventTarget _ptr) : super(_ptr);
@@ -777,6 +779,7 @@ class OpenDBRequest extends Request implements EventTarget {
 
   @DocsEditable
   @DomName('EventTarget.addEventListener, EventTarget.removeEventListener, EventTarget.dispatchEvent')
+  @deprecated
   OpenDBRequestEvents get on =>
     new OpenDBRequestEvents(this);
 
@@ -791,6 +794,7 @@ class OpenDBRequest extends Request implements EventTarget {
 }
 
 @DocsEditable
+@deprecated
 class OpenDBRequestEvents extends RequestEvents {
   @DocsEditable
   OpenDBRequestEvents(EventTarget _ptr) : super(_ptr);
@@ -823,6 +827,7 @@ class Request extends EventTarget {
 
   @DocsEditable
   @DomName('EventTarget.addEventListener, EventTarget.removeEventListener, EventTarget.dispatchEvent')
+  @deprecated
   RequestEvents get on =>
     new RequestEvents(this);
 
@@ -856,7 +861,7 @@ class Request extends EventTarget {
 
   @DomName('IDBRequest.dispatchEvent')
   @DocsEditable
-  bool $dom_dispatchEvent(Event evt) native "IDBRequest_dispatchEvent_Callback";
+  bool dispatchEvent(Event evt) native "IDBRequest_dispatchEvent_Callback";
 
   @DomName('IDBRequest.removeEventListener')
   @DocsEditable
@@ -873,6 +878,7 @@ class Request extends EventTarget {
 }
 
 @DocsEditable
+@deprecated
 class RequestEvents extends Events {
   @DocsEditable
   RequestEvents(EventTarget _ptr) : super(_ptr);
@@ -909,6 +915,7 @@ class Transaction extends EventTarget {
 
   @DocsEditable
   @DomName('EventTarget.addEventListener, EventTarget.removeEventListener, EventTarget.dispatchEvent')
+  @deprecated
   TransactionEvents get on =>
     new TransactionEvents(this);
 
@@ -938,7 +945,7 @@ class Transaction extends EventTarget {
 
   @DomName('IDBTransaction.dispatchEvent')
   @DocsEditable
-  bool $dom_dispatchEvent(Event evt) native "IDBTransaction_dispatchEvent_Callback";
+  bool dispatchEvent(Event evt) native "IDBTransaction_dispatchEvent_Callback";
 
   @DomName('IDBTransaction.objectStore')
   @DocsEditable
@@ -963,6 +970,7 @@ class Transaction extends EventTarget {
 }
 
 @DocsEditable
+@deprecated
 class TransactionEvents extends Events {
   @DocsEditable
   TransactionEvents(EventTarget _ptr) : super(_ptr);
@@ -1032,6 +1040,7 @@ class VersionChangeRequest extends Request implements EventTarget {
 
   @DocsEditable
   @DomName('EventTarget.addEventListener, EventTarget.removeEventListener, EventTarget.dispatchEvent')
+  @deprecated
   VersionChangeRequestEvents get on =>
     new VersionChangeRequestEvents(this);
 
@@ -1042,6 +1051,7 @@ class VersionChangeRequest extends Request implements EventTarget {
 }
 
 @DocsEditable
+@deprecated
 class VersionChangeRequestEvents extends RequestEvents {
   @DocsEditable
   VersionChangeRequestEvents(EventTarget _ptr) : super(_ptr);