[OLD] Change sequence checker to lock in FlexfecSender.

webrtc/modules/rtp_rtcp/include/flexfec_sender.h

Index: webrtc/modules/rtp_rtcp/include/flexfec_sender.h
diff --git a/webrtc/modules/rtp_rtcp/include/flexfec_sender.h b/webrtc/modules/rtp_rtcp/include/flexfec_sender.h
index 48d3da02ac2487e1197ffdd41c226c2ca3a2ef5a..be29468d5d155fdf38a85638cf8af555f5796149 100644
--- a/webrtc/modules/rtp_rtcp/include/flexfec_sender.h
+++ b/webrtc/modules/rtp_rtcp/include/flexfec_sender.h
@@ -15,8 +15,8 @@
 #include <vector>
 
 #include "webrtc/base/basictypes.h"
+#include "webrtc/base/criticalsection.h"
 #include "webrtc/base/random.h"
-#include "webrtc/base/sequenced_task_checker.h"
 #include "webrtc/config.h"
 #include "webrtc/modules/include/module_common_types.h"
 #include "webrtc/modules/rtp_rtcp/include/flexfec_sender.h"
@@ -62,9 +62,9 @@ class FlexfecSender {
  private:
   // Utility.
   Clock* const clock_;
-  Random random_ GUARDED_BY(sequence_checker_);
-  int64_t last_generated_packet_ms_ GUARDED_BY(sequence_checker_);
-  rtc::SequencedTaskChecker sequence_checker_;
+  Random random_ GUARDED_BY(crit_sect_);
+  int64_t last_generated_packet_ms_ GUARDED_BY(crit_sect_);
+  rtc::CriticalSection crit_sect_;
 
   // Config.
   const int payload_type_;
@@ -72,10 +72,10 @@ class FlexfecSender {
   const uint32_t ssrc_;
   const uint32_t protected_media_ssrc_;
   // Sequence number of next packet to generate.
-  uint16_t seq_num_ GUARDED_BY(sequence_checker_);
+  uint16_t seq_num_ GUARDED_BY(crit_sect_);
 
   // Implementation.
-  UlpfecGenerator ulpfec_generator_ GUARDED_BY(sequence_checker_);
+  UlpfecGenerator ulpfec_generator_ GUARDED_BY(crit_sect_);
   const RtpHeaderExtensionMap rtp_header_extension_map_;
 };