Attempt to fix ash tests on Chrome OS valgrind

ui/wm/core/cursor_manager.h

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef UI_WM_CORE_CURSOR_MANAGER_H_
 #define UI_WM_CORE_CURSOR_MANAGER_H_
 
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 24 matching lines @@
 // This class receives requests to change cursor properties, as well as
 // requests to queue any further changes until a later time. It sends changes
 // to the NativeCursorManager, which communicates back to us when these changes
 // were made through the NativeCursorManagerDelegate interface.
 class WM_EXPORT CursorManager : public aura::client::CursorClient,
                                 public NativeCursorManagerDelegate {
  public:
   explicit CursorManager(scoped_ptr<NativeCursorManager> delegate);
   ~CursorManager() override;
 
+  // Resets the last visibility state, etc. Currently only called by tests.
+  static void ResetCursorVisibilityStateForTest();
+
   // Overridden from aura::client::CursorClient:
   void SetCursor(gfx::NativeCursor) override;
   gfx::NativeCursor GetCursor() const override;
   void ShowCursor() override;
   void HideCursor() override;
   bool IsCursorVisible() const override;
   void SetCursorSet(ui::CursorSetType cursor_set) override;
   ui::CursorSetType GetCursorSet() const override;
   void EnableMouseEvents() override;
   void DisableMouseEvents() override;
@@ skipping 32 matching lines @@
   // CursorManager instance is created it gets populated with the correct
   // cursor visibility state.
   static bool last_cursor_visibility_state_;
 
   DISALLOW_COPY_AND_ASSIGN(CursorManager);
 };
 
 }  // namespace wm
 
 #endif  // UI_WM_CORE_CURSOR_MANAGER_H_