replace COMPILE_ASSERT with static_assert in core/rendering/

Source/core/rendering/TextAutosizer.h

Index: Source/core/rendering/TextAutosizer.h
diff --git a/Source/core/rendering/TextAutosizer.h b/Source/core/rendering/TextAutosizer.h
index 556b48655c872e401c93f2c779e52cb339120101..a3ca410b20c7fbec64edfd0537c677378a02769e 100644
--- a/Source/core/rendering/TextAutosizer.h
+++ b/Source/core/rendering/TextAutosizer.h
@@ -200,8 +200,8 @@ private:
         float m_width;
     };
     // Ensures efficient hashing using StringHasher.
-    COMPILE_ASSERT(!(sizeof(FingerprintSourceData) % sizeof(UChar)),
-        Sizeof_FingerprintSourceData_must_be_multiple_of_UChar);
+    static_assert(!(sizeof(FingerprintSourceData) % sizeof(UChar)),
+        "sizeof(FingerprintSourceData) must be a multiple of UChar");
 
     typedef unsigned Fingerprint;
     typedef HashMap<Fingerprint, OwnPtr<Supercluster> > SuperclusterMap;