Adds StartRtpDump and StopRtpDump methods to webrtcLoggingPrivate API.

chrome/browser/media/webrtc_logging_handler_host.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 CHROME_BROWSER_MEDIA_WEBRTC_LOGGING_HANDLER_HOST_H_
 #define CHROME_BROWSER_MEDIA_WEBRTC_LOGGING_HANDLER_HOST_H_
 
 #include "base/basictypes.h"
 #include "base/memory/shared_memory.h"
 #include "chrome/common/media/webrtc_logging_message_data.h"
@@ skipping 55 matching lines @@
   // Adds a message to the log.
   void LogMessage(const std::string& message);
 
   // May be called on any thread. |upload_log_on_render_close_| is used
   // for decision making and it's OK if it changes before the execution based
   // on that decision has finished.
   void set_upload_log_on_render_close(bool should_upload) {
     upload_log_on_render_close_ = should_upload;
   }
 
+  // Starts dumping the RTP headers for the specified direction. Must be called
+  // on the IO thread.

[vrk (LEFT CHROMIUM), 2014/05/02 18:13:48]

nit: expand comment to explain the parameters.

[jiayl, 2014/05/02 21:22:43]

Done.

+  void StartRtpDump(bool incoming,
+                    bool outgoing,
+                    const GenericDoneCallback& callback);
+
+  // Stops dumping the RTP headers for the specified direction. Must be called
+  // on the IO thread.

[vrk (LEFT CHROMIUM), 2014/05/02 18:13:48]

nit: expand comment to explain the parameters.

[jiayl, 2014/05/02 21:22:43]

Done.

+  void StopRtpDump(bool incoming,
+                   bool outgoing,
+                   const GenericDoneCallback& callback);
+
  private:
   // States used for protecting from function calls made at non-allowed points
   // in time. For example, StartLogging() is only allowed in CLOSED state.
   // Transitions: SetMetaData(): CLOSED -> CLOSED.
   //              StartLogging(): CLOSED -> STARTING.
   //              Start done: STARTING -> STARTED.
   //              StopLogging(): STARTED -> STOPPING.
   //              Stop done: STOPPING -> STOPPED.
   //              UploadLog(): STOPPED -> UPLOADING.
   //              Upload done: UPLOADING -> CLOSED.
@@ skipping 75 matching lines @@
   base::SharedMemoryHandle foreign_memory_handle_;
 
   // The system time in ms when logging is started. Reset when logging_state_
   // changes to STOPPED.
   base::Time logging_started_time_;
 
   DISALLOW_COPY_AND_ASSIGN(WebRtcLoggingHandlerHost);
 };
 
 #endif  // CHROME_BROWSER_MEDIA_WEBRTC_LOGGING_HANDLER_HOST_H_