Revert "Update mojo sdk to rev 8d45c89c30b230843c5bd6dd0693a555750946c0"

third_party/mojo/src/mojo/public/dart/src/handle_watcher.dart

Index: third_party/mojo/src/mojo/public/dart/src/handle_watcher.dart
diff --git a/third_party/mojo/src/mojo/public/dart/src/handle_watcher.dart b/third_party/mojo/src/mojo/public/dart/src/handle_watcher.dart
index da688d46c21225fd1f1896e2ead53058fb3b7615..3d14f6ce12853f69cfb8f9f04e8dd967e1bd1dc5 100644
--- a/third_party/mojo/src/mojo/public/dart/src/handle_watcher.dart
+++ b/third_party/mojo/src/mojo/public/dart/src/handle_watcher.dart
@@ -19,6 +19,11 @@ class _MojoHandleWatcherNatives {
 // The MojoHandleWatcher sends a stream of events to application isolates that
 // register Mojo handles with it. Application isolates make the following calls:
 //
+// Start() - Starts up the MojoHandleWatcher isolate. Should be called only once
+//           per VM process.
+//
+// Stop() - Causes the MojoHandleWatcher isolate to exit.
+//
 // add(handle, port, signals) - Instructs the MojoHandleWatcher isolate to add
 //     'handle' to the set of handles it watches, and to notify the calling
 //     isolate only for the events specified by 'signals' using the send port
@@ -286,9 +291,7 @@ class MojoHandleWatcher {
     return new MojoResult(result);
   }
 
-  // Starts up the MojoHandleWatcher isolate. Should be called only once
-  // per VM process.
-  static Future<Isolate> _start() {
+  static Future<Isolate> Start() {
     // Make a control message pipe,
     MojoMessagePipe pipe = new MojoMessagePipe();
     int consumerHandle = pipe.endpoints[0].handle.h;
@@ -302,9 +305,7 @@ class MojoHandleWatcher {
     return Isolate.spawn(_handleWatcherIsolate, consumerHandle);
   }
 
-  // Causes the MojoHandleWatcher isolate to exit. Should be called only
-  // once per VM process.
-  static void _stop() {
+  static void Stop() {
     // Create a port for notification that the handle watcher has shutdown.
     var shutdownReceivePort = new ReceivePort();
     var shutdownSendPort = shutdownReceivePort.sendPort;
@@ -338,7 +339,7 @@ class MojoHandleWatcher {
     return _sendControlData(mojoHandle, null, _encodeCommand(REMOVE));
   }
 
-  static MojoResult timer(Object ignored, SendPort port, int deadline) {
+  static MojoResult timer(SendPort port, int deadline) {
     // The deadline will be unwrapped before sending to the handle watcher.
     return _sendControlData(
         new MojoHandle(deadline), port, _encodeCommand(TIMER));