Cast: IPC from browser to renderer to send packet events from transport to cast library.

media/cast/transport/cast_transport_sender_impl.h

Index: media/cast/transport/cast_transport_sender_impl.h
diff --git a/media/cast/transport/cast_transport_sender_impl.h b/media/cast/transport/cast_transport_sender_impl.h
index a8084f8737dca0cafbfc6e4fbe23bdfc97db4ce6..01655fe16cd21e63cacb32d5f73996fabe2c9565 100644
--- a/media/cast/transport/cast_transport_sender_impl.h
+++ b/media/cast/transport/cast_transport_sender_impl.h
@@ -10,6 +10,9 @@
 #include "base/memory/scoped_ptr.h"
 #include "base/time/tick_clock.h"
 #include "base/time/time.h"
+#include "base/timer/timer.h"
+#include "media/cast/logging/logging_defines.h"
+#include "media/cast/logging/simple_event_subscriber.h"
 #include "media/cast/transport/cast_transport_config.h"
 #include "media/cast/transport/cast_transport_sender.h"
 #include "media/cast/transport/pacing/paced_sender.h"
@@ -26,10 +29,13 @@ class CastTransportSenderImpl : public CastTransportSender {
   // external_transport is only used for testing.
   // Note that SetPacketReceiver does not work if an external
   // transport is provided.
+  // |raw_events_callback|: Raw events will be returned on a regular interval
+  // on this callback.
   CastTransportSenderImpl(
       base::TickClock* clock,
       const CastTransportConfig& config,
       const CastTransportStatusCallback& status_callback,
+      const BulkRawEventsCallback& raw_events_callback,
       const scoped_refptr<base::SingleThreadTaskRunner>& transport_task_runner,
       PacketSender* external_transport);
 
@@ -65,12 +71,28 @@ class CastTransportSenderImpl : public CastTransportSender {
       const CastTransportRtpStatistics& callback) OVERRIDE;
 
  private:
+  // How often to send raw events.
+  static const int kSendRawEventsIntervalSecs = 1;
+
+  // If raw events logging is enabled, this is called periodically.
+  // Calls |raw_events_callback_| with events collected by |event_subscriber_|
+  // since last call.
+  void SendRawEvents();
+
   scoped_ptr<UdpTransport> transport_;
   PacedSender pacer_;
   RtcpBuilder rtcp_builder_;
   TransportAudioSender audio_sender_;
   TransportVideoSender video_sender_;
 
+  LoggingImpl logging_;
+
+  // This is non-null iff raw events logging is enabled.
+  scoped_ptr<SimpleEventSubscriber> event_subscriber_;
+  base::RepeatingTimer<CastTransportSenderImpl> raw_events_timer_;
+
+  BulkRawEventsCallback raw_events_callback_;
+
   DISALLOW_COPY_AND_ASSIGN(CastTransportSenderImpl);
 };