Returning IntSize to store calculated kernel size values

Source/platform/graphics/filters/FilterOperations.cpp

Index: Source/platform/graphics/filters/FilterOperations.cpp
diff --git a/Source/platform/graphics/filters/FilterOperations.cpp b/Source/platform/graphics/filters/FilterOperations.cpp
index 336ccb1abcc5b00eb7d24f89722644d43a4388ba..8083ae747705ea5c683695aedb2685e5162b0c5e 100644
--- a/Source/platform/graphics/filters/FilterOperations.cpp
+++ b/Source/platform/graphics/filters/FilterOperations.cpp
@@ -34,14 +34,12 @@ namespace WebCore {
 
 static inline IntSize outsetSizeForBlur(float stdDeviation)
 {
-    unsigned kernelSizeX = 0;
-    unsigned kernelSizeY = 0;
-    FEGaussianBlur::calculateUnscaledKernelSize(kernelSizeX, kernelSizeY, stdDeviation, stdDeviation);
+    IntSize 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;
 }