Make classes and structures in core/editing fast-allocated.

Source/core/editing/VisibleSelection.h

 /*
  * Copyright (C) 2004 Apple Computer, 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 16 matching lines @@
 #define VisibleSelection_h
 
 #include "core/CoreExport.h"
 #include "core/editing/EditingStrategy.h"
 #include "core/editing/EphemeralRange.h"
 #include "core/editing/SelectionType.h"
 #include "core/editing/TextAffinity.h"
 #include "core/editing/TextGranularity.h"
 #include "core/editing/VisiblePosition.h"
 #include "core/editing/VisibleUnits.h"
+#include "wtf/Allocator.h"
 
 namespace blink {
 
 class LayoutPoint;
 
 // TODO(yosin) We should use capitalized name instead of |SEL_DEFAULT_AFFINITY|.
 const TextAffinity SEL_DEFAULT_AFFINITY = TextAffinity::Downstream; // NOLINT
 enum SelectionDirection { DirectionForward, DirectionBackward, DirectionRight, DirectionLeft };
 
 class CORE_EXPORT VisibleSelection {
     DISALLOW_ALLOCATION();
     DECLARE_EMPTY_DESTRUCTOR_WILL_BE_REMOVED(VisibleSelection);
 public:
     class InDOMTree {
+        STATIC_ONLY(InDOMTree);
     public:
         using PositionType = Position;
         using Strategy = EditingStrategy;
 
         static EphemeralRange asRange(const VisibleSelection&);
         static bool equalSelections(const VisibleSelection&, const VisibleSelection&);
         static PositionType selectionBase(const VisibleSelection& selection) { return selection.base(); }
         static PositionType selectionExtent(const VisibleSelection& selection) { return selection.extent(); }
         static PositionType selectionStart(const VisibleSelection& selection) { return selection.start(); }
         static PositionType selectionEnd(const VisibleSelection& selection) { return selection.end(); }
         static SelectionType selectionType(const VisibleSelection& selection) { return selection.selectionType(); }
         static VisiblePosition selectionVisibleStart(const VisibleSelection& selection) { return selection.visibleStart(); }
         static VisiblePosition selectionVisibleEnd(const VisibleSelection& selection) { return selection.visibleEnd(); }
         static PositionType toPositionType(const Position& position) { return position; }
     };
 
     class InComposedTree {
+        STATIC_ONLY(InComposedTree);
     public:
         using PositionType = PositionInComposedTree;
         using Strategy = EditingInComposedTreeStrategy;
 
         static EphemeralRangeInComposedTree asRange(const VisibleSelection&);
         static bool equalSelections(const VisibleSelection&, const VisibleSelection&);
         static bool isRange(const VisibleSelection& selection) { return selectionType(selection) == RangeSelection; }
         static PositionType selectionBase(const VisibleSelection& selection) { return selection.baseInComposedTree(); }
         static PositionType selectionExtent(const VisibleSelection& selection) { return selection.extentInComposedTree(); }
         static PositionType selectionStart(const VisibleSelection& selection) { return selection.startInComposedTree(); }
@@ skipping 179 matching lines @@
 
 } // namespace blink
 
 #ifndef NDEBUG
 // Outside the WebCore namespace for ease of invocation from gdb.
 void showTree(const blink::VisibleSelection&);
 void showTree(const blink::VisibleSelection*);
 #endif
 
 #endif // VisibleSelection_h