mus: Implement Window Server Capture

components/mus/ws/connection_manager.cc

Index: components/mus/ws/connection_manager.cc
diff --git a/components/mus/ws/connection_manager.cc b/components/mus/ws/connection_manager.cc
index b7c22f994242c1619aad9cd86495c3f19e828cf0..2e22b53d2493944ead618d266a7fbfbe49117388 100644
--- a/components/mus/ws/connection_manager.cc
+++ b/components/mus/ws/connection_manager.cc
@@ -329,6 +329,13 @@ void ConnectionManager::ProcessClientAreaChanged(
   }
 }
 
+void ConnectionManager::ProcessLostCapture(const ServerWindow* window) {
+  for (auto& pair : connection_map_) {
+    pair.second->service()->ProcessLostCapture(window,
+                                               IsOperationSource(pair.first));
+  }
+}
+
 void ConnectionManager::ProcessWillChangeWindowHierarchy(
     const ServerWindow* window,
     const ServerWindow* new_parent,