Fix mouse cursor during drag and drop after HTML 5 pointer lock on Desktop Linux

ui/views/widget/desktop_aura/desktop_native_cursor_manager.h

 // Copyright (c) 2012 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_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_NATIVE_CURSOR_MANAGER_H_
 #define UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_NATIVE_CURSOR_MANAGER_H_
 
 #include <set>
 
 #include "base/compiler_specific.h"
@@ skipping 19 matching lines @@
 // A NativeCursorManager that performs the desktop-specific setting of cursor
 // state. Similar to AshNativeCursorManager, it also communicates these changes
 // to all root windows.
 class VIEWS_EXPORT DesktopNativeCursorManager
     : public wm::NativeCursorManager {
  public:
   DesktopNativeCursorManager(
       scoped_ptr<DesktopCursorLoaderUpdater> cursor_loader_updater);
   ~DesktopNativeCursorManager() override;
 
-  // Builds a cursor and sets the internal platform representation.
+  // Builds a cursor and sets the internal platform representation. The return
+  // value should not be cached.
   gfx::NativeCursor GetInitializedCursor(int type);
 
   // Adds |host| to the set |hosts_|.
   void AddHost(aura::WindowTreeHost* host);
 
   // Removes |host| from the set |hosts_|.
   void RemoveHost(aura::WindowTreeHost* host);
 
  private:
   // Overridden from wm::NativeCursorManager:
@@ skipping 16 matching lines @@
   scoped_ptr<DesktopCursorLoaderUpdater> cursor_loader_updater_;
   scoped_ptr<ui::CursorLoader> cursor_loader_;
 
   DISALLOW_COPY_AND_ASSIGN(DesktopNativeCursorManager);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_NATIVE_CURSOR_MANAGER_H_