Revert vector icon CLs.

ui/gfx/paint_vector_icon.h

-// Copyright 2015 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_PAINT_VECTOR_ICON_H_
-#define UI_GFX_PAINT_VECTOR_ICON_H_
-
-#include "base/basictypes.h"
-#include "third_party/skia/include/core/SkColor.h"
-#include "ui/gfx/gfx_export.h"
-
-namespace gfx {
-
-class Canvas;
-enum class VectorIconId;
-
-// Draws a vector icon identified by |id| onto |canvas| at (0, 0). |dip_size|
-// is the length of a single edge of the square icon, in device independent
-// pixels. |color| is used as the fill.
-GFX_EXPORT void PaintVectorIcon(Canvas* canvas,
-                                VectorIconId id,
-                                size_t dip_size,
-                                SkColor color);
-
-}  // namespace gfx
-
-#endif  // UI_GFX_PAINT_VECTOR_ICON_H_