PlatformEventDispatcher::DispatchEvent() should return a PostDispatchAction

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 45 matching lines @@
   virtual void ReleaseCapture() override;
   virtual void ToggleFullscreen() override;
   virtual void Maximize() override;
   virtual void Minimize() override;
   virtual void Restore() override;
   virtual void SetCursor(PlatformCursor cursor) override;
   virtual void MoveCursorTo(const gfx::Point& location) override;
 
   // PlatformEventDispatcher:
   virtual bool CanDispatchEvent(const PlatformEvent& event) override;
-  virtual uint32_t DispatchEvent(const PlatformEvent& event) override;
+  virtual ui::PostDispatchAction DispatchEvent(
+      const PlatformEvent& event) override;
 
  private:
   // Event polling.
   void TryProcessingEvent();
 
   // Sync sizes with libcaca.
   void UpdateDisplaySize();
 
   PlatformWindowDelegate* delegate_;
   CacaWindowManager* manager_;
@@ skipping 11 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_