Update the remaining references to sys_string_conversions.h to its new location.

remoting/host/policy_hack/policy_watcher_mac.mm

 // 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 "remoting/host/policy_hack/policy_watcher.h"
 
 #include <CoreFoundation/CoreFoundation.h>
 
 #include "base/compiler_specific.h"
 #include "base/mac/foundation_util.h"
 #include "base/mac/scoped_cftyperef.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/single_thread_task_runner.h"
-#include "base/sys_string_conversions.h"
+#include "base/strings/sys_string_conversions.h"
 #include "base/values.h"
 
 namespace remoting {
 namespace policy_hack {
 
 // The MacOS version does not watch files because it is accepted
 // practice on the Mac that the user must logout/login for policies to be
 // applied. This will actually pick up policies every
 // |kFallbackReloadDelayMinutes| which is sufficient for right now.
 class PolicyWatcherMac : public PolicyWatcher {
@@ skipping 61 matching lines @@
   }
 };
 
 PolicyWatcher* PolicyWatcher::Create(
         scoped_refptr<base::SingleThreadTaskRunner> task_runner) {
   return new PolicyWatcherMac(task_runner);
 }
 
 }  // namespace policy_hack
 }  // namespace remoting