Optimize CSS box-shadow performance

src/effects/SkBlurMask.h

 /*
  * Copyright 2006 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkBlurMask_DEFINED
 #define SkBlurMask_DEFINED
 
@@ skipping 58 matching lines @@
         @param pixels Location to store the resulting pixel data; allocated and managed by caller
         @param profile Precomputed blur profile computed by ComputeBlurProfile above.
         @param width Size of the pixels array.
         @param sigma Standard deviation of the gaussian blur kernel used to compute the profile;
                      this implicitly gives the size of the pixels array.
     */
 
     static void ComputeBlurredScanline(uint8_t* pixels, const uint8_t* profile,
                                        unsigned int width, SkScalar sigma);
 
-
-
 };
 
 #endif