text: // Copyright 2017 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_BROWSER_WEBRTC_LOG_H_
  #define CONTENT_PUBLIC_BROWSER_WEBRTC_LOG_H_
  
  #include <string>
  
  #include "base/callback_forward.h"
  #include "base/macros.h"
  #include "content/common/content_export.h"
  #include "media/media_buildflags.h"
  
  namespace content {
  
  class CONTENT_EXPORT WebRtcLog {
   public:
    // When set, |callback| receives log messages regarding, for example, media
    // devices (webcams, mics, etc) that were initially requested in the render
    // process associated with the RenderProcessHost with |render_process_id|.
    static void SetLogMessageCallback(
        int render_process_id,
        const base::Callback<void(const std::string&)>& callback);
    static void ClearLogMessageCallback(int render_process_id);
  
   private:
    DISALLOW_IMPLICIT_CONSTRUCTORS(WebRtcLog);
  };
  
  }  // namespace content
  
  #endif  // CONTENT_PUBLIC_BROWSER_WEBRTC_LOG_H_
  