replace COMPILE_ASSERT with static_assert in platform/

Source/platform/fonts/shaping/HarfBuzzShaper.cpp

 /*
  * Copyright (c) 2012 Google Inc. All rights reserved.
  * Copyright (C) 2013 BlackBerry Limited. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 784 matching lines @@
         startCharacter, endCharacter - startCharacter,
         TextDirectionToHBDirection(m_run.direction(), m_font->fontDescription().orientation(), fontData),
         ICUScriptToHBScript(script)));
 }
 
 static const uint16_t* toUint16(const UChar* src)
 {
     // FIXME: This relies on undefined behavior however it works on the
     // current versions of all compilers we care about and avoids making
     // a copy of the string.
-    COMPILE_ASSERT(sizeof(UChar) == sizeof(uint16_t), UChar_is_the_same_size_as_uint16_t);
+    static_assert(sizeof(UChar) == sizeof(uint16_t), "UChar should be the same size as uint16_t");
     return reinterpret_cast<const uint16_t*>(src);
 }
 
 bool HarfBuzzShaper::shapeHarfBuzzRuns()
 {
     HarfBuzzScopedPtr<hb_buffer_t> harfBuzzBuffer(hb_buffer_create(), hb_buffer_destroy);
 
     HarfBuzzRunCache& runCache = harfBuzzRunCache();
     const FontDescription& fontDescription = m_font->fontDescription();
     const String& localeString = fontDescription.locale();
@@ skipping 328 matching lines @@
     // possibly invalid from, to arguments.
     if (!foundToX && !foundFromX)
         fromX = toX = 0;
 
     if (fromX < toX)
         return FloatRect(point.x() + fromX, point.y(), toX - fromX, height);
     return FloatRect(point.x() + toX, point.y(), fromX - toX, height);
 }
 
 } // namespace blink