Move InsertZeroColumns and CopyColumn to ::internal. (pt. 1)

webrtc/modules/rtp_rtcp/source/forward_error_correction.h

Index: webrtc/modules/rtp_rtcp/source/forward_error_correction.h
diff --git a/webrtc/modules/rtp_rtcp/source/forward_error_correction.h b/webrtc/modules/rtp_rtcp/source/forward_error_correction.h
index 57eec7a01aaee2871407489400a55e25a6dc8b24..ac2cfa76b6f93c8cd54d496fa977903568e4ea35 100644
--- a/webrtc/modules/rtp_rtcp/source/forward_error_correction.h
+++ b/webrtc/modules/rtp_rtcp/source/forward_error_correction.h
@@ -229,26 +229,6 @@ class ForwardErrorCorrection {
                             uint8_t* packet_mask, int num_mask_bytes,
                             int num_fec_packets);
 
-  // Inserts |num_zeros| zero columns into |new_mask| at position
-  // |new_bit_index|. If the current byte of |new_mask| can't fit all zeros, the
-  // byte will be filled with zeros from |new_bit_index|, but the next byte will
-  // be untouched.
-  static void InsertZeroColumns(int num_zeros, uint8_t* new_mask,
-                                int new_mask_bytes, int num_fec_packets,
-                                int new_bit_index);
-
-  // Copies the left most bit column from the byte pointed to by
-  // |old_bit_index| in |old_mask| to the right most column of the byte pointed
-  // to by |new_bit_index| in |new_mask|. |old_mask_bytes| and |new_mask_bytes|
-  // represent the number of bytes used per row for each mask. |num_fec_packets|
-  // represent the number of rows of the masks.
-  // The copied bit is shifted out from |old_mask| and is shifted one step to
-  // the left in |new_mask|. |new_mask| will contain "xxxx xxn0" after this
-  // operation, where x are previously inserted bits and n is the new bit.
-  static void CopyColumn(uint8_t* new_mask, int new_mask_bytes,
-                         uint8_t* old_mask, int old_mask_bytes,
-                         int num_fec_packets, int new_bit_index,
-                         int old_bit_index);
 
   void GenerateFecUlpHeaders(const PacketList& media_packets,
                              uint8_t* packet_mask, int num_fec_packets,