Replace Thread::Invoke with Thread::BlockingCall

BlockingCall doesn't take rtc::Location parameter and thus most of the dependencies on location can be removed

Bug: webrtc:11318
Change-Id: I91a17e342dd9a9e3e2c8f7fbe267474c98a8d0e5
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/274620
Reviewed-by: Tomas Gunnarsson <tommi@webrtc.org>
Commit-Queue: Danil Chapovalov <danilchap@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#38045}
diff --git a/sdk/objc/api/peerconnection/RTCVideoTrack.mm b/sdk/objc/api/peerconnection/RTCVideoTrack.mm
index fb015c6..d4862e3 100644
--- a/sdk/objc/api/peerconnection/RTCVideoTrack.mm
+++ b/sdk/objc/api/peerconnection/RTCVideoTrack.mm
@@ -72,7 +72,7 @@
 
 - (void)addRenderer:(id<RTC_OBJC_TYPE(RTCVideoRenderer)>)renderer {
   if (!_workerThread->IsCurrent()) {
-    _workerThread->Invoke<void>(RTC_FROM_HERE, [renderer, self] { [self addRenderer:renderer]; });
+    _workerThread->BlockingCall([renderer, self] { [self addRenderer:renderer]; });
     return;
   }
 
@@ -93,8 +93,7 @@
 
 - (void)removeRenderer:(id<RTC_OBJC_TYPE(RTCVideoRenderer)>)renderer {
   if (!_workerThread->IsCurrent()) {
-    _workerThread->Invoke<void>(RTC_FROM_HERE,
-                                [renderer, self] { [self removeRenderer:renderer]; });
+    _workerThread->BlockingCall([renderer, self] { [self removeRenderer:renderer]; });
     return;
   }
   __block NSUInteger indexToRemove = NSNotFound;