[Ozone] Constrain the cursor when overscan insets are set

ui/ozone/platform/caca/caca_window.h

 // Copyright 2014 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_OZONE_PLATFORM_CACA_CACA_WINDOW_H_
 #define UI_OZONE_PLATFORM_CACA_CACA_WINDOW_H_
 
 #include <caca.h>
 
 #include "base/debug/stack_trace.h"
@@ skipping 42 matching lines @@
   void Hide() override;
   void Close() override;
   void SetCapture() override;
   void ReleaseCapture() override;
   void ToggleFullscreen() override;
   void Maximize() override;
   void Minimize() override;
   void Restore() override;
   void SetCursor(PlatformCursor cursor) override;
   void MoveCursorTo(const gfx::Point& location) override;
+  void ConfineCursorToBounds(const gfx::Rect& bounds) override;
 
   // PlatformEventDispatcher:
   bool CanDispatchEvent(const PlatformEvent& event) override;
   uint32_t DispatchEvent(const PlatformEvent& event) override;
 
  private:
   // Event polling.
   void TryProcessingEvent();
 
   // Sync sizes with libcaca.
@@ skipping 15 matching lines @@
   gfx::Size bitmap_size_;
 
   base::WeakPtrFactory<CacaWindow> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(CacaWindow);
 };
 
 }  // namespace ui
 
 #endif  // UI_OZONE_PLATFORM_CACA_CACA_WINDOW_H_