Add missing TextRun includes

Source/core/html/shadow/DateTimeSymbolicFieldElement.cpp

 /*
  * Copyright (C) 2012 Google Inc. 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 12 matching lines @@
  * SUCH DAMAGE.
  */
 
 #include "config.h"
 #if ENABLE(INPUT_MULTIPLE_FIELDS_UI)
 #include "core/html/shadow/DateTimeSymbolicFieldElement.h"
 
 #include "core/events/KeyboardEvent.h"
 #include "platform/fonts/Font.h"
 #include "platform/text/TextBreakIterator.h"
+#include "platform/text/TextRun.h"
 #include "wtf/text/StringBuilder.h"
 #include "wtf/unicode/Unicode.h"
 
 namespace blink {
 
 static AtomicString makeVisibleEmptyValue(const Vector<String>& symbols)
 {
     unsigned maximumLength = 0;
     for (unsigned index = 0; index < symbols.size(); ++index)
         maximumLength = std::max(maximumLength, numGraphemeClusters(symbols[index]));
@@ skipping 128 matching lines @@
 }
 
 String DateTimeSymbolicFieldElement::optionAtIndex(int index) const
 {
     return m_symbols[index];
 }
 
 } // namespace blink
 
 #endif