[WIP] do something :-)

Source/core/svg/GradientAttributes.h

Index: Source/core/svg/GradientAttributes.h
diff --git a/Source/core/svg/GradientAttributes.h b/Source/core/svg/GradientAttributes.h
index 58dde97a329ca87dbc0d857c00d958a45332a60a..66e92134a30aee1dc8c9cc6305c8365a395b1cdd 100644
--- a/Source/core/svg/GradientAttributes.h
+++ b/Source/core/svg/GradientAttributes.h
@@ -22,6 +22,7 @@
 
 #include "core/svg/SVGUnitTypes.h"
 #include "wtf/Allocator.h"
+#include "wtf/SizeAssertions.h"
 
 namespace blink {
 
@@ -86,14 +87,7 @@ private:
     unsigned m_stopsSet : 1;
 };
 
-struct SameSizeAsGradientAttributes {
-    DISALLOW_ALLOCATION();
-    AffineTransform a;
-    Vector<Gradient::ColorStop> b;
-    unsigned c : 8;
-};
-
-static_assert(sizeof(GradientAttributes) == sizeof(SameSizeAsGradientAttributes), "GradientAttributes should stay small");
+ASSERT_SIZE(GradientAttributes, 64, 72);
 
 } // namespace blink