4 files changed, 4 insertions, 4 deletions
diff --git a/components/mus/ws/window_tree.cc b/components/mus/ws/window_tree.cc
index 7782e8b..0356a8e 100644
--- a/components/mus/ws/window_tree.cc
+++ b/components/mus/ws/window_tree.cc
@@ -1145,7 +1145,7 @@ void WindowTree::SetImeVisibility(Id transport_window_id,
   }
 }
 
-void WindowTree::OnWindowInputEventAck(uint32_t event_id) {
+void WindowTree::OnWindowInputEventAck(uint32_t event_id, bool handled) {
   if (event_ack_id_ == 0 || event_id != event_ack_id_) {
     // TODO(sad): Something bad happened. Kill the client?
     NOTIMPLEMENTED() << "Wrong event acked.";
diff --git a/components/mus/ws/window_tree.h b/components/mus/ws/window_tree.h
index 378186d..0c103e7 100644
--- a/components/mus/ws/window_tree.h
+++ b/components/mus/ws/window_tree.h
@@ -344,7 +344,7 @@ class WindowTree : public mojom::WindowTree,
   void SetImeVisibility(Id transport_window_id,
                         bool visible,
                         mojo::TextInputStatePtr state) override;
-  void OnWindowInputEventAck(uint32_t event_id) override;
+  void OnWindowInputEventAck(uint32_t event_id, bool handled) override;
   void SetClientArea(
       Id transport_window_id,
       mojo::InsetsPtr insets,
diff --git a/components/mus/ws/window_tree_apptest.cc b/components/mus/ws/window_tree_apptest.cc
index 8970435..b143ab0 100644
--- a/components/mus/ws/window_tree_apptest.cc
+++ b/components/mus/ws/window_tree_apptest.cc
@@ -355,7 +355,7 @@ class TestWindowTreeClientImpl : public mojom::WindowTreeClient,
     // Ack input events to clear the state on the server. These can be received
     // during test startup. X11Window::DispatchEvent sends a synthetic move
     // event to notify of entry.
-    tree()->OnWindowInputEventAck(event_id);
+    tree()->OnWindowInputEventAck(event_id, true);
     // Don't log input events as none of the tests care about them and they
     // may come in at random points.
   }
diff --git a/components/mus/ws/window_tree_unittest.cc b/components/mus/ws/window_tree_unittest.cc
index 17f59eb..99d88fe 100644
--- a/components/mus/ws/window_tree_unittest.cc
+++ b/components/mus/ws/window_tree_unittest.cc
@@ -198,7 +198,7 @@ class WindowTreeTest : public testing::Test {
   void AckPreviousEvent() {
     DisplayTestApi test_api(display_);
     while (test_api.tree_awaiting_input_ack())
-      test_api.tree_awaiting_input_ack()->OnWindowInputEventAck(0);
+      test_api.tree_awaiting_input_ack()->OnWindowInputEventAck(0, true);
   }
 
   void DispatchEventAndAckImmediately(const ui::Event& event) {