replace COMPILE_ASSERT with static_assert in core/html/

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

 /*
  * Copyright (c) 2013, Opera Software ASA. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 42 matching lines @@
 #include "wtf/text/StringBuilder.h"
 
 namespace blink {
 
 static const int undefinedPosition = -1;
 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()
 {
     DEFINE_STATIC_LOCAL(const String, start, ("start"));
     return start;
 }
 
 static const String& middleKeyword()
 {
     DEFINE_STATIC_LOCAL(const String, middle, ("middle"));
@@ skipping 1024 matching lines @@
 
 void VTTCue::trace(Visitor* visitor)
 {
     visitor->trace(m_vttNodeTree);
     visitor->trace(m_cueBackgroundBox);
     visitor->trace(m_displayTree);
     TextTrackCue::trace(visitor);
 }
 
 } // namespace blink