1 files changed, 11 insertions, 0 deletions
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/RenderSynchronizer.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/RenderSynchronizer.java
index b1ade84298..c89f798c9c 100644
--- a/third_party/libwebrtc/sdk/android/api/org/webrtc/RenderSynchronizer.java
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/RenderSynchronizer.java
@@ -10,8 +10,11 @@
 
 package org.webrtc;
 
+import android.os.Build.VERSION;
+import android.os.Build.VERSION_CODES;
 import android.os.Handler;
 import android.os.Looper;
+import android.os.Trace;
 import android.view.Choreographer;
 import androidx.annotation.GuardedBy;
 import java.util.List;
@@ -100,8 +103,15 @@ public final class RenderSynchronizer {
     }
   }
 
+  private void traceRenderWindowChange() {
+    if (VERSION.SDK_INT >= VERSION_CODES.Q) {
+      Trace.setCounter("RenderWindow", renderWindowOpen ? 1 : 0);
+    }
+  }
+
   private void openRenderWindow() {
     renderWindowOpen = true;
+    traceRenderWindowChange();
     for (Listener listener : listeners) {
       listener.onRenderWindowOpen();
     }
@@ -109,6 +119,7 @@ public final class RenderSynchronizer {
 
   private void closeRenderWindow() {
     renderWindowOpen = false;
+    traceRenderWindowChange();
     for (Listener listener : listeners) {
       listener.onRenderWindowClose();
     }