Issue 318925: Copy and paste sometimes removes spaces between words

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 26 matching lines @@
 class RenderTextFragment;
 
 enum TextIteratorBehavior {
     TextIteratorDefaultBehavior = 0,
     TextIteratorEmitsCharactersBetweenAllVisiblePositions = 1 << 0,
     TextIteratorEntersTextControls = 1 << 1,
     TextIteratorIgnoresStyleVisibility = 1 << 2,
     TextIteratorEmitsOriginalText = 1 << 3,
     TextIteratorStopsOnFormControls = 1 << 4,
     TextIteratorEmitsImageAltText = 1 << 5,
-    TextIteratorEntersAuthorShadowRoots = 1 << 6
+    TextIteratorEntersAuthorShadowRoots = 1 << 6,
+    TextIteratorBehavesAsIfNodesFollowing = 1 << 7,
 };
 typedef unsigned TextIteratorBehaviorFlags;
 
 // FIXME: Can't really answer this question correctly without knowing the white-space mode.
 // FIXME: Move this somewhere else in the editing directory. It doesn't belong here.
 inline bool isCollapsibleWhitespace(UChar c)
 {
     switch (c) {
         case ' ':
         case '\n':
@@ skipping 149 matching lines @@
     // Used when the visibility of the style should not affect text gathering.
     bool m_ignoresStyleVisibility;
     // Used when the iteration should stop if form controls are reached.
     bool m_stopsOnFormControls;
     // Used when m_stopsOnFormControls is set to determine if the iterator should keep advancing.
     bool m_shouldStop;
 
     bool m_emitsImageAltText;
 
     bool m_entersAuthorShadowRoots;
+    bool m_hasNodesFollowing;
 };
 
 // Iterates through the DOM range, returning all the text, and 0-length boundaries
 // at points where replaced elements break up the text flow. The text comes back in
 // chunks so as to optimize for performance of the iteration.
 class SimplifiedBackwardsTextIterator {
 public:
     explicit SimplifiedBackwardsTextIterator(const Range*, TextIteratorBehaviorFlags = TextIteratorDefaultBehavior);
 
     bool atEnd() const { return !m_positionNode || m_shouldStop; }
@@ skipping 136 matching lines @@
     Vector<UChar> m_buffer;
     // Did we have to look ahead in the textIterator to confirm the current chunk?
     bool m_didLookAhead;
     RefPtr<Range> m_range;
     TextIterator m_textIterator;
 };
 
 }
 
 #endif