Wire input events through the ViewManagerClient interface.

mojo/services/view_manager/node.cc

Index: mojo/services/view_manager/node.cc
diff --git a/mojo/services/view_manager/node.cc b/mojo/services/view_manager/node.cc
index 670012a2508e1d27b4c9d372f512cf581f6ecdcf..208c9c76fa5c61b1efd6a74df561788c8c8d27f8 100644
--- a/mojo/services/view_manager/node.cc
+++ b/mojo/services/view_manager/node.cc
@@ -172,6 +172,11 @@ bool Node::HasHitTestMask() const {
 void Node::GetHitTestMask(gfx::Path* mask) const {
 }
 
+void Node::OnEvent(ui::Event* event) {
+  if (view_)
+    delegate_->OnViewInputEvent(view_, event);
+}
+
 }  // namespace service
 }  // namespace view_manager
 }  // namespace mojo