Replace all usage of LOG(INFO) in Chromoting host with HOST_LOG to bypass the presubmit check.

remoting/base/logging.h

+// 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.
+
+#ifndef REMOTING_BASE_LOGGING_H_
+#define REMOTING_BASE_LOGGING_H_
+
+#include "base/logging.h"
+
+namespace remoting {
+
+// Chromoting host code should use HOST_LOG instead of LOG(INFO) to bypass
+// the CheckSpamLogging presubmit check. This won't spam chrome output because
+// it runs in the chromoting host processes.
+// In the future we may also consider writing to a log file instead of the
+// console.
+#define HOST_LOG LOG(INFO)
+
+}  // namespace remoting
+
+#endif  // REMOTING_BASE_LOGGING_H_