Fixing flaky overscroll and touch exploration mode browser tests.

ui/aura/window_event_dispatcher.h

Index: ui/aura/window_event_dispatcher.h
diff --git a/ui/aura/window_event_dispatcher.h b/ui/aura/window_event_dispatcher.h
index 79ba3c7b2cbc17cf5c45f2994d6c21658cb90cc4..f878b61eabbcc78c033687f6ed49667f7adfd514 100644
--- a/ui/aura/window_event_dispatcher.h
+++ b/ui/aura/window_event_dispatcher.h
@@ -98,6 +98,8 @@ class AURA_EXPORT WindowEventDispatcher : public ui::EventProcessor,
   void HoldPointerMoves();
   void ReleasePointerMoves();
 
+  bool HoldingPointerMovesForTesting();
+
   // Gets the last location seen in a mouse event in this root window's
   // coordinates. This may return a point outside the root window's bounds.
   gfx::Point GetLastMouseLocationInRoot() const;