aura: Remove WindowTreeHost::PostNativeEvent().

ui/aura/window_tree_host_ozone.h

 // Copyright 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_AURA_WINDOW_TREE_HOST_OZONE_H_
 #define UI_AURA_WINDOW_TREE_HOST_OZONE_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "ui/aura/window_tree_host.h"
 #include "ui/events/event_source.h"
@@ skipping 29 matching lines @@
   // WindowTreeHost:
   virtual ui::EventSource* GetEventSource() override;
   virtual gfx::AcceleratedWidget GetAcceleratedWidget() override;
   virtual void Show() override;
   virtual void Hide() override;
   virtual gfx::Rect GetBounds() const override;
   virtual void SetBounds(const gfx::Rect& bounds) override;
   virtual gfx::Point GetLocationOnNativeScreen() const override;
   virtual void SetCapture() override;
   virtual void ReleaseCapture() override;
-  virtual void PostNativeEvent(const base::NativeEvent& event) override;
   virtual void SetCursorNative(gfx::NativeCursor cursor_type) override;
   virtual void MoveCursorToNative(const gfx::Point& location) override;
   virtual void OnCursorVisibilityChangedNative(bool show) override;
 
   // ui::EventSource overrides.
   virtual ui::EventProcessor* GetEventProcessor() override;
 
   // Platform-specific part of this WindowTreeHost.
   scoped_ptr<ui::PlatformWindow> platform_window_;
 
   // The identifier used to create a compositing surface.
   gfx::AcceleratedWidget widget_;
 
   DISALLOW_COPY_AND_ASSIGN(WindowTreeHostOzone);
 };
 
 }  // namespace aura
 
 #endif  // UI_AURA_WINDOW_TREE_HOST_OZONE_H_