Move LeftPositionOf() and RightPositionOf() to SelectionModifierCharacter.cpp

third_party/WebKit/Source/core/editing/VisibleUnits.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 112 matching lines @@
 CORE_EXPORT IntRect AbsoluteCaretBoundsOf(const VisiblePositionInFlatTree&);
 
 CORE_EXPORT IntRect AbsoluteSelectionBoundsOf(const VisiblePosition&);
 CORE_EXPORT IntRect AbsoluteSelectionBoundsOf(const VisiblePositionInFlatTree&);
 
 CORE_EXPORT UChar32 CharacterAfter(const VisiblePosition&);
 CORE_EXPORT UChar32 CharacterAfter(const VisiblePositionInFlatTree&);
 CORE_EXPORT UChar32 CharacterBefore(const VisiblePosition&);
 CORE_EXPORT UChar32 CharacterBefore(const VisiblePositionInFlatTree&);
 
-// TODO(yosin) Since return value of |leftPositionOf()| with |VisiblePosition|
-// isn't defined well on flat tree, we should not use it for a position in
-// flat tree.
-CORE_EXPORT VisiblePosition LeftPositionOf(const VisiblePosition&);
-CORE_EXPORT VisiblePositionInFlatTree
-LeftPositionOf(const VisiblePositionInFlatTree&);
-// TODO(yosin) Since return value of |rightPositionOf()| with |VisiblePosition|
-// isn't defined well on flat tree, we should not use it for a position in
-// flat tree.
-CORE_EXPORT VisiblePosition RightPositionOf(const VisiblePosition&);
-CORE_EXPORT VisiblePositionInFlatTree
-RightPositionOf(const VisiblePositionInFlatTree&);
-
 CORE_EXPORT VisiblePosition
 NextPositionOf(const VisiblePosition&,
                EditingBoundaryCrossingRule = kCanCrossEditingBoundary);
 CORE_EXPORT VisiblePositionInFlatTree
 NextPositionOf(const VisiblePositionInFlatTree&,
                EditingBoundaryCrossingRule = kCanCrossEditingBoundary);
 CORE_EXPORT VisiblePosition
 PreviousPositionOf(const VisiblePosition&,
                    EditingBoundaryCrossingRule = kCanCrossEditingBoundary);
 CORE_EXPORT VisiblePositionInFlatTree
@@ skipping 214 matching lines @@
                                               const Position&);
 
 VisiblePositionInFlatTree HonorEditingBoundaryAtOrAfter(
     const VisiblePositionInFlatTree&,
     const PositionInFlatTree&);
 
 // Export below functions only for |SelectionModifier|.
 VisiblePosition HonorEditingBoundaryAtOrBefore(const VisiblePosition&,
                                                const Position&);
 
+VisiblePositionInFlatTree HonorEditingBoundaryAtOrBefore(
+    const VisiblePositionInFlatTree&,
+    const PositionInFlatTree&);
+
 Position NextRootInlineBoxCandidatePosition(Node*,
                                             const VisiblePosition&,
                                             EditableType);
 
 Position PreviousRootInlineBoxCandidatePosition(Node*,
                                                 const VisiblePosition&,
                                                 EditableType);
 
 }  // namespace blink
 
 #endif  // VisibleUnits_h