Cast: Add GetStats() extensions API.

chrome/common/extensions/api/cast_streaming_rtp_stream.idl

Index: chrome/common/extensions/api/cast_streaming_rtp_stream.idl
diff --git a/chrome/common/extensions/api/cast_streaming_rtp_stream.idl b/chrome/common/extensions/api/cast_streaming_rtp_stream.idl
index e0e3e8016389c91805241e66ba6ed30fee5ac565..231c1aa695a171b553dec106fc1f77e66a25b29a 100644
--- a/chrome/common/extensions/api/cast_streaming_rtp_stream.idl
+++ b/chrome/common/extensions/api/cast_streaming_rtp_stream.idl
@@ -61,17 +61,18 @@ namespace cast.streaming.rtpStream {
   callback CreateCallback = void (long streamId);
 
   // Callback from the <code>getRawEvents</code> method.
-  // |rawEvents|: serialized raw bytes containing raw events recorded for
-  //              a stream.
+  // |rawEvents|: compressed serialized raw bytes containing raw events
+  //              recorded for a stream.
+  // The compression is in gzip format.
   // The serialization format can be found at 
   // media/cast/logging/log_serializer.cc.
   callback GetRawEventsCallback = void (DOMString rawEvents);
   
   // Callback from the <code>getStats</code> method.
-  // |rawEvents|: serialized raw bytes containing stats recorded for a stream.
-  // The serialization format can be found at 
-  // media/cast/logging/log_serializer.cc.
-  callback GetStatsCallback = void (DOMString stats);
+  // |rawEvents|: dictionary object containing stats recorded for a stream.
+  // The format can be found at 
+  // media/cast/logging/stats_converter.cc.
+  callback GetStatsCallback = void (object stats);
 
   interface Functions {
     // Destroys a Cast RTP stream.
@@ -99,13 +100,13 @@ namespace cast.streaming.rtpStream {
     
     // Get raw events for a stream in the current session.
     // |streamId|: Stream to get events for.
-    // |callback|: Called with the raw events Blob.
+    // |callback|: Called with the raw events.
     [nocompile] static void getRawEvents(
         long streamId, GetRawEventsCallback callback);
     
     // Get stats for a stream in the current session.
     // |streamId|: Stream to get stats for.
-    // |callback|: Called with the stats Blob.
+    // |callback|: Called with the stats.
     [nocompile] static void getStats(
         long streamId, GetStatsCallback callback);
   };