Delete unused method PayloadRouter::MaxPayloadLength.

webrtc/video/payload_router.h

Index: webrtc/video/payload_router.h
diff --git a/webrtc/video/payload_router.h b/webrtc/video/payload_router.h
index 3b60ce23c0cd4fd2adb334cfa28254267f4e038a..f2d138dc2c74d2f671b151d4ccbac934682ef2bf 100644
--- a/webrtc/video/payload_router.h
+++ b/webrtc/video/payload_router.h
@@ -36,8 +36,6 @@ class PayloadRouter : public EncodedImageCallback {
                 int payload_type);
   ~PayloadRouter();
 
-  static size_t DefaultMaxPayloadLength();
-
   // PayloadRouter will only route packets if being active, all packets will be
   // dropped otherwise.
   void SetActive(bool active);
@@ -50,10 +48,6 @@ class PayloadRouter : public EncodedImageCallback {
       const CodecSpecificInfo* codec_specific_info,
       const RTPFragmentationHeader* fragmentation) override;
 
-  // Returns the maximum allowed data payload length, given the configured MTU
-  // and RTP headers.
-  size_t MaxPayloadLength() const;
-
   void OnBitrateAllocationUpdated(const BitrateAllocation& bitrate);
 
  private: