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

mojo/public/platform/native/system_impl_private.h

 // 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.
 
 // Note: This header should be compilable as C.
 
 #ifndef MOJO_PUBLIC_PLATFORM_NATIVE_SYSTEM_IMPL_PRIVATE_H_
 #define MOJO_PUBLIC_PLATFORM_NATIVE_SYSTEM_IMPL_PRIVATE_H_
 
 #include "mojo/public/c/system/buffer.h"
 #include "mojo/public/c/system/data_pipe.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/types.h"
+#include "mojo/public/c/system/time.h"
 
 // This interface provides the Mojo system API, but with the ability to confine
 // calls to a specific handle namespace. Handles in one namespace are unrelated
 // to handles in another namespace. Two ends of a pipe may live in different
 // handle namespaces, however.
 
 typedef void* MojoSystemImpl;
 
 #ifdef __cplusplus
 extern "C" {
@@ skipping 109 matching lines @@
                                    uint64_t num_bytes,
                                    void** buffer,
                                    MojoMapBufferFlags flags);
 MojoResult MojoSystemImplUnmapBuffer(MojoSystemImpl system, void* buffer);
 
 #ifdef __cplusplus
 }  // extern "C"
 #endif  // __cplusplus
 
 #endif  // MOJO_PUBLIC_PLATFORM_NATIVE_SYSTEM_IMPL_PRIVATE_H_