Move implmentation specific constants out of rtp_header_extension.h

webrtc/modules/rtp_rtcp/source/playout_delay_oracle.cc

Index: webrtc/modules/rtp_rtcp/source/playout_delay_oracle.cc
diff --git a/webrtc/modules/rtp_rtcp/source/playout_delay_oracle.cc b/webrtc/modules/rtp_rtcp/source/playout_delay_oracle.cc
index e87a2ed5137948d4770406b90cb95d1ab84b47e0..f1afc1f45bbdde919b4c1a583151010259a90b0b 100644
--- a/webrtc/modules/rtp_rtcp/source/playout_delay_oracle.cc
+++ b/webrtc/modules/rtp_rtcp/source/playout_delay_oracle.cc
@@ -13,7 +13,7 @@
 #include "webrtc/base/checks.h"
 #include "webrtc/base/logging.h"
 #include "webrtc/modules/rtp_rtcp/include/rtp_rtcp_defines.h"
-#include "webrtc/modules/rtp_rtcp/source/rtp_header_extension.h"
+#include "webrtc/modules/rtp_rtcp/source/rtp_header_extensions.h"
 
 namespace webrtc {
 
@@ -29,8 +29,8 @@ void PlayoutDelayOracle::UpdateRequest(uint32_t ssrc,
                                        PlayoutDelay playout_delay,
                                        uint16_t seq_num) {
   rtc::CritScope lock(&crit_sect_);
-  RTC_DCHECK_LE(playout_delay.min_ms, kPlayoutDelayMaxMs);
-  RTC_DCHECK_LE(playout_delay.max_ms, kPlayoutDelayMaxMs);
+  RTC_DCHECK_LE(playout_delay.min_ms, PlayoutDelayLimits::kMaxMs);
+  RTC_DCHECK_LE(playout_delay.max_ms, PlayoutDelayLimits::kMaxMs);
   RTC_DCHECK_LE(playout_delay.min_ms, playout_delay.max_ms);
   int64_t unwrapped_seq_num = unwrapper_.Unwrap(seq_num);
   if (playout_delay.min_ms >= 0 &&