Rename RenderText member variables to better reflect what they do.

Source/core/rendering/RenderText.h

 /*
  * (C) 1999 Lars Knoll (knoll@kde.org)
  * (C) 2000 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 68 matching lines @@
     unsigned textLength() const { return m_text.length(); } // non virtual implementation of length()
     void positionLineBox(InlineBox*);
 
     virtual float width(unsigned from, unsigned len, const Font&, float xPos, HashSet<const SimpleFontData*>* fallbackFonts = 0, GlyphOverflow* = 0) const;
     virtual float width(unsigned from, unsigned len, float xPos, bool firstLine = false, HashSet<const SimpleFontData*>* fallbackFonts = 0, GlyphOverflow* = 0) const;
 
     float minLogicalWidth() const;
     float maxLogicalWidth() const;
 
     void trimmedPrefWidths(float leadWidth,
-                           float& beginMinW, bool& beginWS,
-                           float& endMinW, bool& endWS,
-                           bool& hasBreakableChar, bool& hasBreak,
-                           float& beginMaxW, float& endMaxW,
-                           float& minW, float& maxW, bool& stripFrontSpaces);
+        float& firstLineMinWidth, bool& hasBreakableStart,
+        float& lastLineMinWidth, bool& hasBreakableEnd,
+        bool& hasBreakableChar, bool& hasBreak,
+        float& firstLineMaxWidth, float& lastLineMaxWidth,
+        float& minWidth, float& maxWidth, bool& stripFrontSpaces);
 
     virtual IntRect linesBoundingBox() const;
     LayoutRect linesVisualOverflowBoundingBox() const;
 
     FloatPoint firstRunOrigin() const;
     float firstRunX() const;
     float firstRunY() const;
 
     virtual void setText(PassRefPtr<StringImpl>, bool force = false);
     void setTextWithOffset(PassRefPtr<StringImpl>, unsigned offset, unsigned len, bool force = false);
@@ skipping 70 matching lines @@
     float widthFromCache(const Font&, int start, int len, float xPos, HashSet<const SimpleFontData*>* fallbackFonts, GlyphOverflow*) const;
     bool isAllASCII() const { return m_isAllASCII; }
     void updateNeedsTranscoding();
 
     void secureText(UChar mask);
 
     // We put the bitfield first to minimize padding on 64-bit.
     bool m_hasBreakableChar : 1; // Whether or not we can be broken into multiple lines.
     bool m_hasBreak : 1; // Whether or not we have a hard break (e.g., <pre> with '\n').
     bool m_hasTab : 1; // Whether or not we have a variable width tab character (e.g., <pre> with '\t').
-    bool m_hasBeginWS : 1; // Whether or not we begin with WS (only true if we aren't pre)
-    bool m_hasEndWS : 1; // Whether or not we end with WS (only true if we aren't pre)
+    bool m_hasBreakableStart : 1;
+    bool m_hasBreakableEnd : 1;
     bool m_linesDirty : 1; // This bit indicates that the text run has already dirtied specific
                            // line boxes, and this hint will enable layoutInlineChildren to avoid
                            // just dirtying everything when character data is modified (e.g., appended/inserted
                            // or removed).
     bool m_containsReversedText : 1;
     bool m_isAllASCII : 1;
     bool m_canUseSimpleFontCodePath : 1;
     mutable bool m_knownToHaveNoOverflowAndNoFallbackFonts : 1;
     bool m_needsTranscoding : 1;
     
     float m_minWidth;
     float m_maxWidth;
-    float m_beginMinWidth;
-    float m_endMinWidth;
+    float m_firstLineMinWidth;
+    float m_lastLineLineMinWidth;
 
     String m_text;
 
     InlineTextBox* m_firstTextBox;
     InlineTextBox* m_lastTextBox;
 };
 
 inline UChar RenderText::uncheckedCharacterAt(unsigned i) const
 {
     ASSERT_WITH_SECURITY_IMPLICATION(i < textLength());
@@ skipping 27 matching lines @@
 inline void RenderText::checkConsistency() const
 {
 }
 #endif
 
 void applyTextTransform(const RenderStyle*, String&, UChar);
 
 } // namespace WebCore
 
 #endif // RenderText_h