Wire input events through the ViewManagerClient interface.

mojo/services/view_manager/node.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "mojo/services/view_manager/node.h"
 
 #include "mojo/services/view_manager/node_delegate.h"
 #include "mojo/services/view_manager/view.h"
 #include "ui/aura/window_property.h"
 #include "ui/base/cursor/cursor.h"
@@ skipping 154 matching lines @@
 void Node::OnWindowTargetVisibilityChanged(bool visible) {
 }
 
 bool Node::HasHitTestMask() const {
   return false;
 }
 
 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