Add mojo/c/system/{time.h,wait.h}.

mojo/edk/embedder/system_impl_private_entrypoints.cc

 // Copyright 2015 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 "base/logging.h"
 #include "mojo/edk/embedder/embedder_internal.h"
 #include "mojo/edk/system/core.h"
 #include "mojo/edk/system/dispatcher.h"
 #include "mojo/edk/util/ref_ptr.h"
 #include "mojo/public/c/system/buffer.h"
 #include "mojo/public/c/system/data_pipe.h"
-#include "mojo/public/c/system/functions.h"
+#include "mojo/public/c/system/handle.h"
 #include "mojo/public/c/system/message_pipe.h"
+#include "mojo/public/c/system/result.h"
+#include "mojo/public/c/system/time.h"
+#include "mojo/public/c/system/wait.h"
 #include "mojo/public/platform/native/system_impl_private.h"
 
 using mojo::embedder::internal::g_core;
 using mojo::system::Core;
 using mojo::system::Dispatcher;
 using mojo::system::MakeUserPointer;
 using mojo::util::RefPtr;
 
 // Definitions of the system functions, but with an explicit parameter for the
 // core object rather than using the default singleton. Also includes functions
@@ skipping 240 matching lines @@
                          MakeUserPointer(buffer), flags);
 }
 
 MojoResult MojoSystemImplUnmapBuffer(MojoSystemImpl system, void* buffer) {
   mojo::system::Core* core = static_cast<mojo::system::Core*>(system);
   DCHECK(core);
   return core->UnmapBuffer(MakeUserPointer(buffer));
 }
 
 }  // extern "C"