Make platform/text to use USING_FAST_MALLOC.

third_party/WebKit/Source/platform/text/TabSize.h

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef TabSize_h
 #define TabSize_h
 
+#include "wtf/Allocator.h"
+
 namespace blink {
 
 struct TabSize {
+    DISALLOW_NEW();
     TabSize(float pixels)
         : m_floatValue(pixels)
         , m_isSpaces(0)
     {
     }
 
     TabSize(int spaces)
         : m_floatValue(spaces)
         , m_isSpaces(1)
     {
@@ skipping 19 matching lines @@
 }
 
 inline bool operator!=(const TabSize& a, const TabSize& b)
 {
     return !(a == b);
 }
 
 } // namespace blink
 
 #endif // TabSize_h