Ash: Fix hit testing for the bottom pixels of tabs

ui/views/view.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_VIEW_H_
 #define UI_VIEWS_VIEW_H_
 #pragma once
 
 #include <algorithm>
 #include <map>
@@ skipping 28 matching lines @@
 }
 
 namespace ui {
 struct AccessibleViewState;
 class Compositor;
 class Layer;
 class TextInputClient;
 class Texture;
 class ThemeProvider;
 class Transform;
-enum TouchStatus;
 }
 
 #if defined(OS_WIN)
 class __declspec(uuid("26f5641a-246d-457b-a96d-07f3fae6acf2"))
 NativeViewAccessibilityWin;
 #endif
 
 namespace views {
 
 class Background;
@@ skipping 1406 matching lines @@
   base::win::ScopedComPtr<NativeViewAccessibilityWin>
       native_view_accessibility_win_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(View);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_VIEW_H_