Update last few users of deprecated CreateShadowDrawLooper and remove

ui/gfx/skia_paint_util.h

 // Copyright (c) 2017 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_SKIA_PAINT_UTIL_H_
 #define UI_GFX_SKIA_PAINT_UTIL_H_
 
 #include <vector>
 
 #include "cc/paint/paint_shader.h"
@@ skipping 29 matching lines @@
 // Creates a vertical gradient shader. The caller owns the shader.
 // Example usage to avoid leaks:
 GFX_EXPORT sk_sp<cc::PaintShader> CreateGradientShader(int start_point,
                                                        int end_point,
                                                        SkColor start_color,
                                                        SkColor end_color);
 
 // Creates a draw looper to generate |shadows|. The caller owns the draw looper.
 // NULL is returned if |shadows| is empty since no draw looper is needed in
 // this case.
-// DEPRECATED: See below. TODO(estade): remove this: crbug.com/624175
 GFX_EXPORT sk_sp<SkDrawLooper> CreateShadowDrawLooper(
     const std::vector<ShadowValue>& shadows);
 
-// Creates a draw looper to generate |shadows|. This creates a looper with the
-// correct amount of blur. Callers of the existing CreateShadowDrawLooper may
-// rely on the wrong amount of blur being applied but new code should use this
-// function.
-GFX_EXPORT sk_sp<SkDrawLooper> CreateShadowDrawLooperCorrectBlur(
-    const std::vector<ShadowValue>& shadows);
-
 }  // namespace gfx
 
 #endif  // UI_GFX_SKIA_UTIL_H_