Index: components/mus/public/cpp/BUILD.gn |
diff --git a/components/mus/public/cpp/BUILD.gn b/components/mus/public/cpp/BUILD.gn |
index 926acb4397e9fccbf95c9d956acd9239ea9d27b6..015040add076df8c3779d7a3981a86a7cec978d4 100644 |
--- a/components/mus/public/cpp/BUILD.gn |
+++ b/components/mus/public/cpp/BUILD.gn |
@@ -34,6 +34,7 @@ source_set("cpp") { |
"window_tracker.cc", |
"window_tracker.h", |
"window_tree_connection.h", |
+ "window_tree_connection_observer.h", |
"window_tree_delegate.h", |
"window_tree_host_factory.h", |
] |