Bug 1338023. Part 6 - remove unused code and fix comments. r=gerald

MozReview-Commit-ID: 7WCFnraD313

--HG--
extra : rebase_source : 78cb30bc565a5051b7067589845bfd1b42fab220
extra : intermediate-source : 10b41917a6c62b60a0e428a0adf17684b39c8542
extra : source : 0388389e6fb45e077b9c64c7f2c36042e75b0d47

dom/media/ogg/OggCodecState.cpp

@@ -198,14 +198,6 @@ Clone(ogg_packet* aPacket)
   return OggPacketPtr(p);
 }
 
-void
-OggCodecState::ReleasePacket(ogg_packet* aPacket)
-{
-  if (aPacket) {
-    OggPacketDeletePolicy()(aPacket);
-  }
-}
-
 void
 OggPacketQueue::Append(OggPacketPtr aPacket)
 {

dom/media/ogg/OggCodecState.h

@@ -10,8 +10,6 @@
 // For MOZ_SAMPLE_TYPE_*
 #include "FlacFrameParser.h"
 #include "VideoUtils.h"
-#include <nsAutoPtr.h>
-#include <nsAutoRef.h>
 #include <nsDeque.h>
 #include <nsTArray.h>
 #include <nsClassHashtable.h>
@@ -200,9 +198,8 @@ public:
 
   // Returns the next raw packet in the stream, or nullptr if there are no more
   // packets buffered in the packet queue. More packets can be buffered by
-  // inserting one or more pages into the stream by calling PageIn(). The
-  // caller is responsible for deleting returned packet's using
-  // OggCodecState::ReleasePacket(). The packet will have a valid granulepos.
+  // inserting one or more pages into the stream by calling PageIn().
+  // The packet will have a valid granulepos.
   OggPacketPtr PacketOut();
 
   // Returns the next raw packet in the stream, or nullptr if there are no more
@@ -213,10 +210,6 @@ public:
   // Moves all raw packets from aOther to the front of the current packet queue.
   void PushFront(OggPacketQueue&& aOther);
 
-  // Releases the memory used by a cloned packet. Every packet returned by
-  // PacketOut() must be free'd using this function.
-  static void ReleasePacket(ogg_packet* aPacket);
-
   // Returns the next packet in the stream as a MediaRawData, or nullptr
   // if there are no more packets buffered in the packet queue. More packets
   // can be buffered by inserting one or more pages into the stream by calling
@@ -665,17 +658,4 @@ private:
 
 } // namespace mozilla
 
-// This allows the use of nsAutoRefs for an ogg_packet that properly free the
-// contents of the packet.
-template <>
-class nsAutoRefTraits<ogg_packet> : public nsPointerRefTraits<ogg_packet>
-{
-public:
-  static void Release(ogg_packet* aPacket)
-  {
-    mozilla::OggCodecState::ReleasePacket(aPacket);
-  }
-};
-
-
 #endif