Moves most frame related classes to ash/common/frame

ash/common/frame/frame_border_hit_test.h

+// Copyright 2016 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 ASH_COMMON_FRAME_FRAME_BORDER_HIT_TEST_H_
+#define ASH_COMMON_FRAME_FRAME_BORDER_HIT_TEST_H_
+
+#include "ash/ash_export.h"
+
+namespace gfx {
+class Point;
+}
+
+namespace views {
+class NonClientFrameView;
+}
+
+namespace ash {
+
+class FrameCaptionButtonContainerView;
+
+// Returns the HitTestCompat for the specified point.
+ASH_EXPORT int FrameBorderNonClientHitTest(
+    views::NonClientFrameView* view,
+    FrameCaptionButtonContainerView* caption_button_container,
+    const gfx::Point& point_in_widget);
+
+}  // namespace ash
+
+#endif  // ASH_COMMON_FRAME_FRAME_BORDER_HIT_TEST_H_