Fixes coordinates supplied to WindowTreeHost

ui/aura/test/mus/test_window_tree.cc

Index: ui/aura/test/mus/test_window_tree.cc
diff --git a/ui/aura/test/mus/test_window_tree.cc b/ui/aura/test/mus/test_window_tree.cc
index 7f8dda76f47eccab093471017ca40d9e5ca4c382..0bc9346368a30a80a2d04392e5fa13ca7762331b 100644
--- a/ui/aura/test/mus/test_window_tree.cc
+++ b/ui/aura/test/mus/test_window_tree.cc
@@ -13,7 +13,19 @@ TestWindowTree::TestWindowTree() {}
 TestWindowTree::~TestWindowTree() {}
 
 bool TestWindowTree::WasEventAcked(uint32_t event_id) const {
-  return acked_events_.count(event_id);
+  for (const AckedEvent& acked_event : acked_events_) {
+    if (acked_event.event_id == event_id)
+      return true;
+  }
+  return false;
+}
+
+ui::mojom::EventResult TestWindowTree::GetEventResult(uint32_t event_id) const {
+  for (const AckedEvent& acked_event : acked_events_) {
+    if (acked_event.event_id == event_id)
+      return acked_event.result;
+  }
+  return ui::mojom::EventResult::UNHANDLED;
 }
 
 base::Optional<std::vector<uint8_t>> TestWindowTree::GetLastPropertyValue() {
@@ -251,8 +263,8 @@ void TestWindowTree::SetImeVisibility(uint32_t window_id,
 
 void TestWindowTree::OnWindowInputEventAck(uint32_t event_id,
                                            ui::mojom::EventResult result) {
-  EXPECT_FALSE(acked_events_.count(event_id));
-  acked_events_.insert(event_id);
+  EXPECT_FALSE(WasEventAcked(event_id));
+  acked_events_.push_back({event_id, result});
 }
 
 void TestWindowTree::GetWindowManagerClient(