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

mojo/public/c/system/tests/core_perftest.cc

 // Copyright 2013 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.
 
 // This tests the performance of the C API.
 
 #include <assert.h>
 #include <stdint.h>
 #include <stdio.h>
 #include <time.h>
 
 #include <functional>
 #include <thread>
 
-#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/types.h"
+#include "mojo/public/c/system/time.h"
+#include "mojo/public/c/system/wait.h"
 #include "mojo/public/cpp/system/macros.h"
 #include "mojo/public/cpp/test_support/test_support.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace {
 
 using PerfTestSingleIteration = std::function<void()>;
 
 void IterateAndReportPerf(const char* test_name,
                           const char* sub_test_name,
@@ skipping 313 matching lines @@
   DoMessagePipeThreadedTest(1u, 1u, 10000u);
 
   DoMessagePipeThreadedTest(3u, 3u, 10u);
   // 100 was done above.
   DoMessagePipeThreadedTest(3u, 3u, 1000u);
   DoMessagePipeThreadedTest(3u, 3u, 10000u);
 }
 #endif  // !defined(WIN32)
 
 }  // namespace