replace COMPILE_ASSERT with static_assert in platform/

Source/platform/animation/AnimationUtilities.h

Index: Source/platform/animation/AnimationUtilities.h
diff --git a/Source/platform/animation/AnimationUtilities.h b/Source/platform/animation/AnimationUtilities.h
index 4d6b77e73d507dc72d3f94dbbc2d18b795981e8e..ca0ff2af7c414e4cd5f51cb3ec3214311994ac35 100644
--- a/Source/platform/animation/AnimationUtilities.h
+++ b/Source/platform/animation/AnimationUtilities.h
@@ -44,7 +44,7 @@ inline int blend(int from, int to, double progress)
 template <typename T>
 inline T blend(T from, T to, double progress)
 {
-    COMPILE_ASSERT(WTF::IsInteger<T>::value, BlendForUnsignedTypes);
+    static_assert(WTF::IsInteger<T>::value, "blend can only be used with integer types");
     return clampTo<T>(round(to > from ? from + (to - from) * progress : from - (from - to) * progress));
 }