Update uses of TimeDelta in audio code.

media/audio/cross_process_notification_unittest.cc

 // Copyright (c) 2012 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/compiler_specific.h"
 #include "base/logging.h"
 #include "base/shared_memory.h"
 #include "base/stl_util.h"
 #include "base/test/multiprocess_test.h"
 #include "base/threading/platform_thread.h"
@@ skipping 392 matching lines @@
   DCHECK(ok);
   if (!ok) {
     LOG(ERROR) << "Failed to open shared memory segment.";
     return -1;
   }
 
   mem.Map(CrossProcessNotificationMultiProcessTest::kSharedMemSize);
   CrudeIpc* ipc = reinterpret_cast<CrudeIpc*>(mem.memory());
 
   while (!ipc->ready)
-    base::PlatformThread::Sleep(10);
+    base::PlatformThread::Sleep(base::TimeDelta::FromMilliseconds(10));
 
   CrossProcessNotification notifier(ipc->handle_1, ipc->handle_2);
   notifier.Wait();
   notifier.Signal();
 
   return 0;
 }
 
 // Spawns a new process and hands a CrossProcessNotification instance to the
 // new process.  Once that's done, it waits for the child process to signal
@@ skipping 32 matching lines @@
 
   ipc->ready = true;
 
   a.Signal();
   a.Wait();
 
   int exit_code = -1;
   base::WaitForExitCode(process, &exit_code);
   EXPECT_EQ(0, exit_code);
 }