Mojo: MojoWaitFlags -> MojoHandleSignals.

mojo/public/c/environment/async_waiter.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef MOJO_PUBLIC_C_ENVIRONMENT_ASYNC_WAITER_H_
 #define MOJO_PUBLIC_C_ENVIRONMENT_ASYNC_WAITER_H_
 
 #include "mojo/public/c/system/types.h"
 
 typedef uintptr_t MojoAsyncWaitID;
 
 typedef void (*MojoAsyncWaitCallback)(void* closure, MojoResult result);
 
 struct MojoAsyncWaiter {
   // Asynchronously call MojoWait on a background thread, and pass the result
   // of MojoWait to the given MojoAsyncWaitCallback on the current thread.
   // Returns a non-zero MojoAsyncWaitID that can be used with CancelWait to
   // stop waiting. This identifier becomes invalid once the callback runs.
   MojoAsyncWaitID (*AsyncWait)(MojoHandle handle,
-                               MojoWaitFlags flags,
+                               MojoHandleSignals signals,
                                MojoDeadline deadline,
                                MojoAsyncWaitCallback callback,
                                void* closure);
 
   // Cancel an existing call to AsyncWait with the given MojoAsyncWaitID. The
   // corresponding MojoAsyncWaitCallback will not be called in this case.
   void (*CancelWait)(MojoAsyncWaitID wait_id);
 };
 
 #endif  // MOJO_PUBLIC_C_ENVIRONMENT_ASYNC_WAITER_H_