Wire input events through the ViewManagerClient interface.

mojo/services/view_manager/view_manager_connection_unittest.cc

Index: mojo/services/view_manager/view_manager_connection_unittest.cc
diff --git a/mojo/services/view_manager/view_manager_connection_unittest.cc b/mojo/services/view_manager/view_manager_connection_unittest.cc
index 61a203a714c1d530b06290149acf5427e8c5cc0e..05308aca3847b879c4e41ccdf0c7b5ac5f1a347a 100644
--- a/mojo/services/view_manager/view_manager_connection_unittest.cc
+++ b/mojo/services/view_manager/view_manager_connection_unittest.cc
@@ -317,6 +317,11 @@ class TestViewManagerClientConnection
                                   TransportViewId old_view_id) OVERRIDE {
     tracker_.OnNodeViewReplaced(node, new_view_id, old_view_id);
   }
+  virtual void OnViewInputEvent(TransportViewId view_id,
+                                EventPtr event,
+                                const Callback<void()>& callback) OVERRIDE {
+    tracker_.OnViewInputEvent(view_id, event.Pass());
+  }
 
  private:
   TestChangeTracker tracker_;