text: // 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 CONTENT_PUBLIC_RENDERER_WEBRTC_LOG_MESSAGE_DELEGATE_H_
  #define CONTENT_PUBLIC_RENDERER_WEBRTC_LOG_MESSAGE_DELEGATE_H_
  
  #include <string>
  
  #include "content/common/content_export.h"
  
  namespace content {
  
  // This interface is implemented by a handler in the embedder and used for
  // initializing the logging and passing log messages to the handler. The
  // purpose is to forward mainly libjingle log messages to embedder (besides
  // the ordinary logging stream) that will be used for diagnostic purposes.
  class WebRtcLogMessageDelegate {
   public:
    // Pass a diagnostic WebRTC log message.
    virtual void LogMessage(const std::string& message) = 0;
  
   protected:
    virtual ~WebRtcLogMessageDelegate() {}
  };
  
  // Must be called on IO thread.
  CONTENT_EXPORT void InitWebRtcLoggingDelegate(
      WebRtcLogMessageDelegate* delegate);
  
  // Must be called on IO thread.
  CONTENT_EXPORT void InitWebRtcLogging();
  
  }  // namespace content
  
  #endif  // CONTENT_PUBLIC_RENDERER_WEBRTC_LOG_MESSAGE_DELEGATE_H_
  