Un-insanify first-letter handling in TextIterator (to some degree)

third_party/WebKit/Source/core/editing/iterators/TextIterator.h

 /*
  * Copyright (C) 2004, 2006, 2009 Apple 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 124 matching lines @@
   bool ShouldEmitSpaceBeforeAndAfterNode(Node*);
   void RepresentNodeOffsetZero();
   bool HandleTextNode();
   bool HandleReplacedElement();
   bool HandleNonTextNode();
   void HandleTextBox();
   void HandleTextNodeFirstLetter(LayoutTextFragment*);
   bool ShouldHandleFirstLetter(const LayoutText&) const;
   bool ShouldProceedToRemainingText() const;
   void ProceedToRemainingText();
-  // Helper function during initialization. Returns true if the start position
-  // is in a text node with first-letter, in which case it also sets up related
-  // parameters. Returns false otherwise.
-  bool PrepareForFirstLetterInitialization();
-  bool HasNotAdvancedToStartPosition();
-  int AdjustedStartForFirstLetter(const Node&, const LayoutText&, int, int);
-  int AdjustedStartForRemainingText(const Node&, const LayoutText&, int, int);
   void SpliceBuffer(UChar,
                     Node* text_node,
                     Node* offset_base_node,
                     int text_start_offset,
                     int text_end_offset);
   void EmitText(Node* text_node,
                 LayoutText* layout_object,
                 int text_start_offset,
                 int text_end_offset);
   size_t RestoreCollapsedTrailingSpace(InlineTextBox* next_text_box,
@@ skipping 90 matching lines @@
   // Used when deciding text fragment created by :first-letter should be looked
   // into.
   bool handled_first_letter_;
   // Used when stopsOnFormControls() is true to determine if the iterator should
   // keep advancing.
   bool should_stop_;
   // Used for use counter |InnerTextWithShadowTree| and
   // |SelectionToStringWithShadowTree|, we should not use other purpose.
   bool handle_shadow_root_;
 
-  // Used for adjusting the initialization and the output when the start
-  // container is a text node with :first-letter.
-  int first_letter_start_offset_;
-  int remaining_text_start_offset_;
-
   // Contains state of emitted text.
   TextIteratorTextState text_state_;
 };
 
 extern template class CORE_EXTERN_TEMPLATE_EXPORT
     TextIteratorAlgorithm<EditingStrategy>;
 extern template class CORE_EXTERN_TEMPLATE_EXPORT
     TextIteratorAlgorithm<EditingInFlatTreeStrategy>;
 
 using TextIterator = TextIteratorAlgorithm<EditingStrategy>;
 using TextIteratorInFlatTree = TextIteratorAlgorithm<EditingInFlatTreeStrategy>;
 
 }  // namespace blink
 
 #endif  // TextIterator_h