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/utility/source/process_thread_impl.cc b/modules/utility/source/process_thread_impl.cc
index 5c2f0ab..b3fbaef 100644
--- a/modules/utility/source/process_thread_impl.cc
+++ b/modules/utility/source/process_thread_impl.cc
@@ -46,7 +46,7 @@
     : stop_(false), thread_name_(thread_name) {}
 
 ProcessThreadImpl::~ProcessThreadImpl() {
-  RTC_DCHECK(thread_checker_.CalledOnValidThread());
+  RTC_DCHECK(thread_checker_.IsCurrent());
   RTC_DCHECK(!thread_.get());
   RTC_DCHECK(!stop_);
 
@@ -57,7 +57,7 @@
 }
 
 void ProcessThreadImpl::Start() {
-  RTC_DCHECK(thread_checker_.CalledOnValidThread());
+  RTC_DCHECK(thread_checker_.IsCurrent());
   RTC_DCHECK(!thread_.get());
   if (thread_.get())
     return;
@@ -73,7 +73,7 @@
 }
 
 void ProcessThreadImpl::Stop() {
-  RTC_DCHECK(thread_checker_.CalledOnValidThread());
+  RTC_DCHECK(thread_checker_.IsCurrent());
   if (!thread_.get())
     return;
 
@@ -115,7 +115,7 @@
 
 void ProcessThreadImpl::RegisterModule(Module* module,
                                        const rtc::Location& from) {
-  RTC_DCHECK(thread_checker_.CalledOnValidThread());
+  RTC_DCHECK(thread_checker_.IsCurrent());
   RTC_DCHECK(module) << from.ToString();
 
 #if RTC_DCHECK_IS_ON
@@ -148,7 +148,7 @@
 }
 
 void ProcessThreadImpl::DeRegisterModule(Module* module) {
-  RTC_DCHECK(thread_checker_.CalledOnValidThread());
+  RTC_DCHECK(thread_checker_.IsCurrent());
   RTC_DCHECK(module);
 
   {