EDK: Move mutex.*, cond_var.*, and thread_annotations.h to //mojo/edk/util.

mojo/edk/system/waiter_unittest.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.
 
 // NOTE(vtl): Some of these tests are inherently flaky (e.g., if run on a
 // heavily-loaded system). Sorry. |test::EpsilonTimeout()| may be increased to
 // increase tolerance and reduce observed flakiness (though doing so reduces the
 // meaningfulness of the test).
 
 #include "mojo/edk/system/waiter.h"
 
 #include <stdint.h>
 
-#include "mojo/edk/system/mutex.h"
 #include "mojo/edk/system/test/simple_test_thread.h"
 #include "mojo/edk/system/test/sleep.h"
 #include "mojo/edk/system/test/stopwatch.h"
 #include "mojo/edk/system/test/timeouts.h"
+#include "mojo/edk/util/mutex.h"
 #include "mojo/public/cpp/system/macros.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
+using mojo::util::Mutex;
+using mojo::util::MutexLocker;
+
 namespace mojo {
 namespace system {
 namespace {
 
 const unsigned kPollTimeMs = 10;
 
 class WaitingThread : public test::SimpleTestThread {
  public:
   explicit WaitingThread(MojoDeadline deadline)
       : deadline_(deadline),
@@ skipping 258 matching lines @@
     EXPECT_EQ(MOJO_RESULT_FAILED_PRECONDITION, result);
     EXPECT_EQ(7u, context);
     EXPECT_GT(elapsed, (1 - 1) * test::EpsilonTimeout());
     EXPECT_LT(elapsed, (1 + 1) * test::EpsilonTimeout());
   }
 }
 
 }  // namespace
 }  // namespace system
 }  // namespace mojo