replace COMPILE_ASSERT with static_assert in core/html/

Source/core/html/track/vtt/VTTCue.cpp

Index: Source/core/html/track/vtt/VTTCue.cpp
diff --git a/Source/core/html/track/vtt/VTTCue.cpp b/Source/core/html/track/vtt/VTTCue.cpp
index 5fd28fac9fbd72a97bcd3c87c213859f3769f9ae..e96b84963494dc62e91620fc17cdfe3ace7e9f28 100644
--- a/Source/core/html/track/vtt/VTTCue.cpp
+++ b/Source/core/html/track/vtt/VTTCue.cpp
@@ -60,14 +60,14 @@ static const int undefinedSize = -1;
 static const CSSValueID displayWritingModeMap[] = {
     CSSValueHorizontalTb, CSSValueVerticalRl, CSSValueVerticalLr
 };
-COMPILE_ASSERT(WTF_ARRAY_LENGTH(displayWritingModeMap) == VTTCue::NumberOfWritingDirections,
-    displayWritingModeMap_has_wrong_size);
+static_assert(WTF_ARRAY_LENGTH(displayWritingModeMap) == VTTCue::NumberOfWritingDirections,
+    "displayWritingModeMap should have the same number of elements as VTTCue::NumberOfWritingDirections");
 
 static const CSSValueID displayAlignmentMap[] = {
     CSSValueStart, CSSValueCenter, CSSValueEnd, CSSValueLeft, CSSValueRight
 };
-COMPILE_ASSERT(WTF_ARRAY_LENGTH(displayAlignmentMap) == VTTCue::NumberOfAlignments,
-    displayAlignmentMap_has_wrong_size);
+static_assert(WTF_ARRAY_LENGTH(displayAlignmentMap) == VTTCue::NumberOfAlignments,
+    "displayAlignmentMap should have the same number of elements as VTTCue::NumberOfAlignments");
 
 static const String& startKeyword()
 {