Make platform/text to use USING_FAST_MALLOC.

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

 /*
  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
  *           (C) 2000 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2003, 2006, 2007, 2011 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
@@ skipping 13 matching lines @@
 #ifndef TextRun_h
 #define TextRun_h
 
 #include "platform/PlatformExport.h"
 #include "platform/fonts/Glyph.h"
 #include "platform/geometry/FloatRect.h"
 #include "platform/heap/Heap.h"
 #include "platform/text/TabSize.h"
 #include "platform/text/TextDirection.h"
 #include "platform/text/TextPath.h"
+#include "wtf/Allocator.h"
 #include "wtf/RefCounted.h"
 #include "wtf/text/WTFString.h"
 
 class SkTextBlob;
 
 namespace blink {
 
 enum TextJustify {
     TextJustifyAuto = 0x0,
     TextJustifyNone = 0x1,
     TextJustifyInterWord = 0x2,
     TextJustifyDistribute = 0x3
 };
 
-class PLATFORM_EXPORT TextRun {
-    USING_FAST_MALLOC(TextRun);
+class PLATFORM_EXPORT TextRun final {
+    DISALLOW_NEW();
 public:
     enum ExpansionBehaviorFlags {
         ForbidTrailingExpansion = 0 << 0,
         AllowTrailingExpansion = 1 << 0,
         ForbidLeadingExpansion = 0 << 1,
         AllowLeadingExpansion = 1 << 1,
     };
 
     enum TextCodePath {
         Auto = 0,
@@ skipping 207 matching lines @@
 
     const TextRun& run;
     int from;
     int to;
     FloatRect bounds;
     RefPtr<const SkTextBlob>* cachedTextBlob;
 };
 
 }
 #endif