Remove the ENABLE_TEXT_AUTOSIZING compile-time flag.

Source/WebCore/rendering/TextAutosizer.h

 /*
  * 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
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 #ifndef TextAutosizer_h
 #define TextAutosizer_h
 
-#if ENABLE(TEXT_AUTOSIZING)
-
 #include "HTMLNames.h"
 #include "WritingMode.h"
 #include <wtf/Noncopyable.h>
 #include <wtf/PassOwnPtr.h>
 
 namespace WebCore {
 
 class Document;
 class RenderBlock;
 class RenderObject;
@@ skipping 57 matching lines @@
     // Returns groups of narrow descendants of a given autosizing cluster. The groups are combined
     // by the difference between the width of the descendant and the width of the parent cluster's
     // |blockContainingAllText|.
     static void getNarrowDescendantsGroupedByWidth(const TextAutosizingClusterInfo& parentClusterInfo, Vector<Vector<TextAutosizingClusterInfo> >&);
 
     Document* m_document;
 };
 
 } // namespace WebCore
 
-#endif // ENABLE(TEXT_AUTOSIZING)
-
 #endif // TextAutosizer_h