Moving WebRTC logging related files from content to chrome.

content/public/renderer/webrtc_log_message_delegate.h

+// Copyright (c) 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_MEDIA_WEBRTC_LOG_MESSAGE_DELEGATE_H_
+#define CONTENT_PUBLIC_RENDERER_MEDIA_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:
+  // Tells the handler to initialize WebRTC logging. |app_session_id| is set
+  // by the Javascript application. |app_url| is the Javascript application URL.
+  virtual void InitLogging(const std::string& app_session_id,
+                           const std::string& app_url) = 0;
+
+  // 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);
+
+}  // namespace content
+
+#endif  // CONTENT_PUBLIC_RENDERER_MEDIA_WEBRTC_LOG_MESSAGE_DELEGATE_H_