[WIP] do something :-)

Source/core/layout/LayoutText.cpp

Index: Source/core/layout/LayoutText.cpp
diff --git a/Source/core/layout/LayoutText.cpp b/Source/core/layout/LayoutText.cpp
index 438d88c07c78d4e4f1d2093ff74752d6ba115b99..39bc55f6d32457a79e8b961df37ee85494c36be8 100644
--- a/Source/core/layout/LayoutText.cpp
+++ b/Source/core/layout/LayoutText.cpp
@@ -46,6 +46,7 @@
 #include "platform/text/BidiResolver.h"
 #include "platform/text/TextBreakIterator.h"
 #include "platform/text/TextRunIterator.h"
+#include "wtf/SizeAssertions.h"
 #include "wtf/text/CharacterNames.h"
 #include "wtf/text/StringBuffer.h"
 #include "wtf/text/StringBuilder.h"
@@ -55,14 +56,7 @@ using namespace Unicode;
 
 namespace blink {
 
-struct SameSizeAsLayoutText : public LayoutObject {
-    uint32_t bitfields : 16;
-    float widths[4];
-    String text;
-    void* pointers[2];
-};
-
-static_assert(sizeof(LayoutText) == sizeof(SameSizeAsLayoutText), "LayoutText should stay small");
+ASSERT_SIZE(LayoutText, sizeof(LayoutObject) + 32, sizeof(LayoutObject) + 48);
 
 class SecureTextTimer;
 typedef HashMap<LayoutText*, SecureTextTimer*> SecureTextTimerMap;