Wires up PointerWatcherEventRouter for views aura-mus

ui/views/mus/mus_client.h

Index: ui/views/mus/mus_client.h
diff --git a/ui/views/mus/mus_client.h b/ui/views/mus/mus_client.h
index 38087cd9e7815e036d03f56023832850e54a30e0..9c9dab9d77e204f63a74f515c164c6b52764ea4b 100644
--- a/ui/views/mus/mus_client.h
+++ b/ui/views/mus/mus_client.h
@@ -40,6 +40,7 @@ class WMState;
 
 namespace views {
 
+class PointerWatcherEventRouter2;
 class ScreenMus;
 
 namespace internal {
@@ -76,6 +77,10 @@ class VIEWS_MUS_EXPORT MusClient
     return window_tree_client_.get();
   }
 
+  PointerWatcherEventRouter2* pointer_watcher_event_router() {
+    return pointer_watcher_event_router_.get();
+  }
+
   // Creates DesktopNativeWidgetAura with DesktopWindowTreeHostMus. This is
   // set as the factory function used for creating NativeWidgets when a
   //  NativeWidget has not been explicitly set.
@@ -124,6 +129,8 @@ class VIEWS_MUS_EXPORT MusClient
 
   std::unique_ptr<ui::GpuService> gpu_service_;
 
+  std::unique_ptr<PointerWatcherEventRouter2> pointer_watcher_event_router_;
+
   std::unique_ptr<aura::MusContextFactory> compositor_context_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(MusClient);