Returning IntSize to store calculated kernel size values

Source/platform/graphics/filters/FilterOperations.cpp

 /*
  * Copyright (C) 2011 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 16 matching lines @@
 #include "platform/graphics/filters/FilterOperations.h"
 
 #include "platform/LengthFunctions.h"
 #include "platform/geometry/IntSize.h"
 #include "platform/graphics/filters/FEGaussianBlur.h"
 
 namespace WebCore {
 
 static inline IntSize outsetSizeForBlur(float stdDeviation)
 {
-    unsigned kernelSizeX = 0;
-    unsigned kernelSizeY = 0;
-    FEGaussianBlur::calculateUnscaledKernelSize(kernelSizeX, kernelSizeY, stdDeviation, stdDeviation);
+    IntSize kernelSize(0, 0);

[pdr., 2014/03/26 00:00:13]

Is this needed?

+    kernelSize = FEGaussianBlur::calculateUnscaledKernelSize(FloatPoint(stdDeviation, stdDeviation));
 
     IntSize outset;
     // We take the half kernel size and multiply it with three, because we run box blur three times.
-    outset.setWidth(3 * kernelSizeX * 0.5f);
-    outset.setHeight(3 * kernelSizeY * 0.5f);
+    outset.setWidth(3 * kernelSize.width() * 0.5f);
+    outset.setHeight(3 * kernelSize.height() * 0.5f);
 
     return outset;
 }
 
 FilterOperations::FilterOperations()
 {
 }
 
 FilterOperations& FilterOperations::operator=(const FilterOperations& other)
 {
@@ skipping 119 matching lines @@
 bool FilterOperations::hasFilterThatMovesPixels() const
 {
     for (size_t i = 0; i < m_operations.size(); ++i)
         if (m_operations[i]->movesPixels())
             return true;
     return false;
 }
 
 } // namespace WebCore