Wires up drags to pointer watcher adapter.

ash/mus/bridge/wm_shell_mus.cc

Index: ash/mus/bridge/wm_shell_mus.cc
diff --git a/ash/mus/bridge/wm_shell_mus.cc b/ash/mus/bridge/wm_shell_mus.cc
index d94a4beb68f849ae4fbe9390e63095419d51f3cd..58ca302cbdb1e336f84a93e05e19434a3570e6b2 100644
--- a/ash/mus/bridge/wm_shell_mus.cc
+++ b/ash/mus/bridge/wm_shell_mus.cc
@@ -388,8 +388,11 @@ void WmShellMus::RemoveDisplayObserver(WmDisplayObserver* observer) {
 }
 
 void WmShellMus::AddPointerWatcher(views::PointerWatcher* watcher,
-                                   bool wants_moves) {
-  pointer_watcher_event_router_->AddPointerWatcher(watcher, wants_moves);
+                                   views::PointerWatcherEventTypes events) {
+  // TODO: implement drags for mus pointer watcher, http://crbug.com/641164.
+  // NOTIMPLEMENTED drags for mus pointer watcher.
+  pointer_watcher_event_router_->AddPointerWatcher(
+      watcher, events == views::PointerWatcherEventTypes::MOVES);
 }
 
 void WmShellMus::RemovePointerWatcher(views::PointerWatcher* watcher) {