Mojo: Rename (Mojo)WaitFlagsState -> (Mojo)HandleSignalsState.

mojo/system/shared_buffer_dispatcher.cc

 // 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.
 
 #include "mojo/system/shared_buffer_dispatcher.h"
 
 #include <limits>
 
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 245 matching lines @@
   serialization->num_bytes = shared_buffer_->num_bytes();
   serialization->platform_handle_index = platform_handles->size();
   platform_handles->push_back(platform_handle.release());
   *actual_size = sizeof(SerializedSharedBufferDispatcher);
 
   shared_buffer_ = NULL;
 
   return true;
 }
 
-WaitFlagsState SharedBufferDispatcher::GetWaitFlagsStateNoLock() const {
+HandleSignalsState SharedBufferDispatcher::GetHandleSignalsStateNoLock() const {
   // TODO(vtl): Add transferrable flag.
-  return WaitFlagsState();
+  return HandleSignalsState();
 }
 
 }  // namespace system
 }  // namespace mojo