Wires up drags to pointer watcher adapter.

ash/shared/immersive_fullscreen_controller.cc

Index: ash/shared/immersive_fullscreen_controller.cc
diff --git a/ash/shared/immersive_fullscreen_controller.cc b/ash/shared/immersive_fullscreen_controller.cc
index 1af174bee4be1412beda419387f14f5cbb5b7d24..cb3fe980c8f2d60ab6948b2dfb3ee0b70140804a 100644
--- a/ash/shared/immersive_fullscreen_controller.cc
+++ b/ash/shared/immersive_fullscreen_controller.cc
@@ -314,7 +314,8 @@ void ImmersiveFullscreenController::EnableWindowObservers(bool enable) {
         ImmersiveHandlerFactory::Get()->CreateGestureHandler(this);
     widget_->AddObserver(this);
     const bool wants_moves = true;
-    ImmersiveContext::Get()->AddPointerWatcher(this, wants_moves);
+    const bool wants_drags = false;
+    ImmersiveContext::Get()->AddPointerWatcher(this, wants_moves, wants_drags);
   } else {
     ImmersiveContext::Get()->RemovePointerWatcher(this);
     widget_->RemoveObserver(this);