More old files deletion.

ui/gfx/mac/coordinate_conversion.h

Index: ui/gfx/mac/coordinate_conversion.h
diff --git a/ui/gfx/mac/coordinate_conversion.h b/ui/gfx/mac/coordinate_conversion.h
deleted file mode 100644
index 3deec9a94767d9aee4544bb6386048584eab827b..0000000000000000000000000000000000000000
--- a/ui/gfx/mac/coordinate_conversion.h
+++ /dev/null
@@ -1,26 +0,0 @@
-// 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_GFX_MAC_COORDINATE_CONVERSION_H_
-#define UI_GFX_MAC_COORDINATE_CONVERSION_H_
-
-#import <Foundation/Foundation.h>
-
-#include "ui/gfx/gfx_export.h"
-
-namespace gfx {
-
-class Rect;
-
-// Convert a gfx::Rect specified with the origin at the top left of the primary
-// display into AppKit secreen coordinates (origin at the bottom left).
-GFX_EXPORT NSRect ScreenRectToNSRect(const gfx::Rect& rect);
-
-// Convert an AppKit NSRect with origin in the bottom left of the primary
-// display into a gfx::Rect with origin at the top left of the primary display.
-GFX_EXPORT gfx::Rect ScreenRectFromNSRect(const NSRect& point);
-
-}  // namespace gfx
-
-#endif  // UI_GFX_MAC_COORDINATE_CONVERSION_H_