Revert vector icon CLs.

ui/gfx/vector_icons.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.
-
-// This file provides defines needed by PaintVectorIcon and is implemented
-// by the generated file vector_icons.cc.
-
-#ifndef UI_GFX_VECTOR_ICONS_H_
-#define UI_GFX_VECTOR_ICONS_H_
-
-#include "third_party/skia/include/core/SkScalar.h"
-
-namespace gfx {
-
-enum class VectorIconId;
-
-// The size of a single side of the square canvas to which path coordinates
-// are relative, in device independent pixels.
-const int kReferenceSizeDip = 48;
-
-// A path command; each correlates to an SVG path command.
-enum CommandType {
-  MOVE_TO,
-  R_MOVE_TO,
-  LINE_TO,
-  R_LINE_TO,
-  H_LINE_TO,
-  R_H_LINE_TO,
-  V_LINE_TO,
-  R_V_LINE_TO,
-  R_CUBIC_TO,
-  CIRCLE,
-  CLOSE,
-  END
-};
-
-// A POD that describes either a path command or an argument for it.
-struct PathElement {
-  PathElement(CommandType value) : type(value) {}
-  PathElement(SkScalar value) : arg(value) {}
-
-  union {
-    CommandType type;
-    SkScalar arg;
-  };
-};
-
-// Returns an array of path commands and arguments, terminated by END.
-const PathElement* GetPathForVectorIcon(VectorIconId id);
-
-}  // namespace gfx
-
-#endif  // UI_GFX_VECTOR_ICONS_H_