[WIP] do something :-)

Source/core/layout/line/InlineFlowBox.cpp

Index: Source/core/layout/line/InlineFlowBox.cpp
diff --git a/Source/core/layout/line/InlineFlowBox.cpp b/Source/core/layout/line/InlineFlowBox.cpp
index 70d3a7b3f9445f408393aa06dc2fc2b6264d520f..5cd0229b0feb1b8a8e20ae7d34275f9b9e74c224 100644
--- a/Source/core/layout/line/InlineFlowBox.cpp
+++ b/Source/core/layout/line/InlineFlowBox.cpp
@@ -39,17 +39,13 @@
 #include "core/paint/InlineFlowBoxPainter.h"
 #include "core/style/ShadowList.h"
 #include "platform/fonts/Font.h"
+#include "wtf/SizeAssertions.h"
 
 #include <math.h>
 
 namespace blink {
 
-struct SameSizeAsInlineFlowBox : public InlineBox {
-    void* pointers[5];
-    uint32_t bitfields : 23;
-};
-
-static_assert(sizeof(InlineFlowBox) == sizeof(SameSizeAsInlineFlowBox), "InlineFlowBox should stay small");
+ASSERT_SIZE(InlineFlowBox, sizeof(InlineBox) + 24, sizeof(InlineBox) + 48);
 
 #if ENABLE(ASSERT)