Use tighter typing in editing: SimplifyMarkupCommand & TextIterator

Source/core/editing/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 shouldRepresentNodeOffsetZero();
     bool shouldEmitSpaceBeforeAndAfterNode(Node*);
     void representNodeOffsetZero();
     bool handleTextNode();
     bool handleReplacedElement();
     bool handleNonTextNode();
     void handleTextBox();
     void handleTextNodeFirstLetter(RenderTextFragment*);
     bool hasVisibleTextNode(RenderText*);
     void emitCharacter(UChar, Node* textNode, Node* offsetBaseNode, int textStartOffset, int textEndOffset);
-    void emitText(Node* textNode, RenderObject* renderObject, int textStartOffset, int textEndOffset);
-    void emitText(Node* textNode, int textStartOffset, int textEndOffset);
+    void emitText(Node* textNode, RenderText* renderer, int textStartOffset, int textEndOffset);
 
     // Current position, not necessarily of the text being returned, but position
     // as we walk through the DOM tree.
     RawPtrWillBeMember<Node> m_node;
     int m_offset;
     IterationProgress m_iterationProgress;
     BitStack m_fullyClippedStack;
     int m_shadowDepth;
 
     // The range.
@@ skipping 15 matching lines @@
     // are false and 0, we go back to normal iterating.
     bool m_needsAnotherNewline;
     InlineTextBox* m_textBox;
     // Used when iteration over :first-letter text to save pointer to
     // remaining text box.
     InlineTextBox* m_remainingTextBox;
     // Used to point to RenderText object for :first-letter.
     RenderText *m_firstLetterText;
 
     // Used to do the whitespace collapsing logic.
-    RawPtrWillBeMember<Node> m_lastTextNode;
+    RawPtrWillBeMember<Text> m_lastTextNode;
     bool m_lastTextNodeEndedWithCollapsedSpace;
     UChar m_lastCharacter;
 
     // Used for whitespace characters that aren't in the DOM, so we can point at them.
     // If non-zero, overrides m_text.
     UChar m_singleCharacterBuffer;
 
     // Used when text boxes are out of order (Hebrew/Arabic w/ embeded LTR text)
     Vector<InlineTextBox*> m_sortedTextBoxes;
     size_t m_sortedTextBoxesPosition;
@@ skipping 81 matching lines @@
     // The current text and its position, in the form to be returned from the iterator.
     RawPtrWillBeMember<Node> m_positionNode;
     int m_positionStartOffset;
     int m_positionEndOffset;
 
     String m_textContainer; // We're interested in the range [m_textOffset, m_textOffset + m_textLength) of m_textContainer.
     int m_textOffset;
     int m_textLength;
 
     // Used to do the whitespace logic.
-    RawPtrWillBeMember<Node> m_lastTextNode;
+    RawPtrWillBeMember<Text> m_lastTextNode;
     UChar m_lastCharacter;
 
     // Used for whitespace characters that aren't in the DOM, so we can point at them.
     UChar m_singleCharacterBuffer;
 
     // Whether m_node has advanced beyond the iteration range (i.e. m_startNode).
     bool m_havePassedStartNode;
 
     // Should handle first-letter renderer in the next call to handleTextNode.
     bool m_shouldHandleFirstLetter;
@@ skipping 78 matching lines @@
     Vector<UChar> m_buffer;
     // Did we have to look ahead in the textIterator to confirm the current chunk?
     bool m_didLookAhead;
     RefPtrWillBeMember<Range> m_range;
     TextIterator m_textIterator;
 };
 
 }
 
 #endif