Generalize FEC unit tests and rename GenerateFec. (pt. 3)

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 7d2e5aa51a9854143e5541026bfd9bf7332b187d..21f2afb2c00ec35e6129ee216737939a40630889 100644
--- a/webrtc/modules/rtp_rtcp/source/forward_error_correction.h
+++ b/webrtc/modules/rtp_rtcp/source/forward_error_correction.h
@@ -147,14 +147,16 @@ class ForwardErrorCorrection {
   //                                of type Packet. Must be empty on entry.
   //                                The memory available through the list will
   //                                be valid until the next call to
-  //                                GenerateFec().
+  //                                EncodeFec().
   //
   // Returns 0 on success, -1 on failure.
   //
-  int GenerateFec(const PacketList& media_packets,
-                  uint8_t protection_factor, int num_important_packets,
-                  bool use_unequal_protection, FecMaskType fec_mask_type,
-                  std::list<Packet*>* fec_packets);
+  int EncodeFec(const PacketList& media_packets,
+                uint8_t protection_factor,
+                int num_important_packets,
+                bool use_unequal_protection,
+                FecMaskType fec_mask_type,
+                std::list<Packet*>* fec_packets);
 
   //
   // Decodes a list of received media and FEC packets. It will parse the