Remove NPAPI plugin from chromoting webapp.

remoting/host/plugin/host_log_handler.h

-// Copyright (c) 2011 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_HOST_PLUGIN_HOST_LOG_HANDLER_H_
-#define REMOTING_HOST_PLUGIN_HOST_LOG_HANDLER_H_
-
-#include <string>
-
-namespace remoting {
-
-class HostNPScriptObject;
-
-class HostLogHandler {
- public:
-  // Register the log handler.
-  // These should be called from the plugin init/destroy methods so that they
-  // are only called once per plugin process (not once per plugin instance).
-  static void RegisterLogMessageHandler();
-
-  // We don't have the corresponding UnregisterLogMessageHandler because it
-  // is not safe to call it when there are multiple threads that might be
-  // logging.
-
-  static void RegisterLoggingScriptObject(HostNPScriptObject* script_object);
-  static void UnregisterLoggingScriptObject(HostNPScriptObject* script_object);
-
- private:
-  // A Log Message Handler that is called after each LOG message has been
-  // processed. This must be of type LogMessageHandlerFunction defined in
-  // base/logging.h.
-  static bool LogToUI(int severity, const char* file, int line,
-                      size_t message_start, const std::string& str);
-};
-
-}  // namespace remoting
-
-#endif  // REMOTING_HOST_PLUGIN_HOST_LOG_HANDLER_H_