Deprecating ThreadChecker specific interface.

All changes outside thread_checker.h are by:
s/CalledOnValidThread/IsCurrent/
s/DetachFromThread/Detach/

Bug: webrtc:9883
Change-Id: Idbb1086bff0817db58e770116acf4c9d60fae8b3
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/131023
Commit-Queue: Sebastian Jansson <srte@webrtc.org>
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#27494}
diff --git a/modules/video_coding/video_coding_impl.cc b/modules/video_coding/video_coding_impl.cc
index 4e04306..dc60541 100644
--- a/modules/video_coding/video_coding_impl.cc
+++ b/modules/video_coding/video_coding_impl.cc
@@ -71,7 +71,7 @@
 
   int32_t RegisterReceiveCallback(
       VCMReceiveCallback* receiveCallback) override {
-    RTC_DCHECK(construction_thread_.CalledOnValidThread());
+    RTC_DCHECK(construction_thread_.IsCurrent());
     return receiver_.RegisterReceiveCallback(receiveCallback);
   }
 
@@ -82,7 +82,7 @@
 
   int32_t RegisterPacketRequestCallback(
       VCMPacketRequestCallback* callback) override {
-    RTC_DCHECK(construction_thread_.CalledOnValidThread());
+    RTC_DCHECK(construction_thread_.IsCurrent());
     return receiver_.RegisterPacketRequestCallback(callback);
   }