Ctrl+Shift+Right in Windows should select the spacing after the word

Source/core/editing/FrameSelection.cpp

 /*
  * Copyright (C) 2004, 2008, 2009, 2010 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 559 matching lines @@
 VisiblePosition FrameSelection::startForPlatform() const
 {
     return positionForPlatform(true);
 }
 
 VisiblePosition FrameSelection::endForPlatform() const
 {
     return positionForPlatform(false);
 }
 
+VisiblePosition FrameSelection::nextWordPositionForPlatform(const VisiblePosition &originalPosition)
+{
+    VisiblePosition positionAfterCurrentWord = nextWordPosition(originalPosition);
+
+    if (m_frame && m_frame->editor()->behavior().shouldSkipSpaceWhenMovingRight()) {
+        // In order to skip spaces when moving right, we advance one
+        // word further and then move one word back. Given the
+        // semantics of previousWordPosition() this will put us at the
+        // beginning of the word following.
+        VisiblePosition positionAfterSpacingAndFollowingWord = nextWordPosition(positionAfterCurrentWord);
+        if (positionAfterSpacingAndFollowingWord.isNotNull() && positionAfterSpacingAndFollowingWord != positionAfterCurrentWord)
+            positionAfterCurrentWord = previousWordPosition(positionAfterSpacingAndFollowingWord);
+
+        bool movingBackwardsMovedPositionToStartOfCurrentWord = positionAfterCurrentWord == previousWordPosition(nextWordPosition(originalPosition));
+        if (movingBackwardsMovedPositionToStartOfCurrentWord)
+            positionAfterCurrentWord = positionAfterSpacingAndFollowingWord;
+    }
+    return positionAfterCurrentWord;
+}
+
 #if ENABLE(USERSELECT_ALL)
 static void adjustPositionForUserSelectAll(VisiblePosition& pos, bool isForward)
 {
     if (Node* rootUserSelectAll = Position::rootUserSelectAllForNode(pos.deepEquivalent().anchorNode()))
         pos = isForward ? positionAfterNode(rootUserSelectAll).downstream(CanCrossEditingBoundary) : positionBeforeNode(rootUserSelectAll).upstream(CanCrossEditingBoundary);
 }
 #endif
 
 VisiblePosition FrameSelection::modifyExtendingRight(TextGranularity granularity)
 {
     VisiblePosition pos(m_selection.extent(), m_selection.affinity());
 
     // The difference between modifyExtendingRight and modifyExtendingForward is:
     // modifyExtendingForward always extends forward logically.
     // modifyExtendingRight behaves the same as modifyExtendingForward except for extending character or word,
     // it extends forward logically if the enclosing block is LTR direction,
     // but it extends backward logically if the enclosing block is RTL direction.
     switch (granularity) {
     case CharacterGranularity:
         if (directionOfEnclosingBlock() == LTR)
             pos = pos.next(CannotCrossEditingBoundary);
         else
             pos = pos.previous(CannotCrossEditingBoundary);
         break;
     case WordGranularity:
         if (directionOfEnclosingBlock() == LTR)
-            pos = nextWordPosition(pos);
+            pos = nextWordPositionForPlatform(pos);
         else
             pos = previousWordPosition(pos);
         break;
     case LineBoundary:
         if (directionOfEnclosingBlock() == LTR)
             pos = modifyExtendingForward(granularity);
         else
             pos = modifyExtendingBackward(granularity);
         break;
     case SentenceGranularity:
@@ skipping 13 matching lines @@
 }
 
 VisiblePosition FrameSelection::modifyExtendingForward(TextGranularity granularity)
 {
     VisiblePosition pos(m_selection.extent(), m_selection.affinity());
     switch (granularity) {
     case CharacterGranularity:
         pos = pos.next(CannotCrossEditingBoundary);
         break;
     case WordGranularity:
-        pos = nextWordPosition(pos);
+        pos = nextWordPositionForPlatform(pos);
         break;
     case SentenceGranularity:
         pos = nextSentencePosition(pos);
         break;
     case LineGranularity:
         pos = nextLinePosition(pos, lineDirectionPointForBlockDirectionNavigation(EXTENT));
         break;
     case ParagraphGranularity:
         pos = nextParagraphPosition(pos, lineDirectionPointForBlockDirectionNavigation(EXTENT));
         break;
@@ skipping 59 matching lines @@
     VisiblePosition pos;
     // FIXME: Stay in editable content for the less common granularities.
     switch (granularity) {
     case CharacterGranularity:
         if (isRange())
             pos = VisiblePosition(m_selection.end(), m_selection.affinity());
         else
             pos = VisiblePosition(m_selection.extent(), m_selection.affinity()).next(CannotCrossEditingBoundary);
         break;
     case WordGranularity:
-        pos = nextWordPosition(VisiblePosition(m_selection.extent(), m_selection.affinity()));
+        pos = nextWordPositionForPlatform(VisiblePosition(m_selection.extent(), m_selection.affinity()));
         break;
     case SentenceGranularity:
         pos = nextSentencePosition(VisiblePosition(m_selection.extent(), m_selection.affinity()));
         break;
     case LineGranularity: {
         // down-arrowing from a range selection that ends at the start of a line needs
         // to leave the selection at that line start (no need to call nextLinePosition!)
         pos = endForPlatform();
         if (!isRange() || !isStartOfLine(pos))
             pos = nextLinePosition(pos, lineDirectionPointForBlockDirectionNavigation(START));
@@ skipping 35 matching lines @@
     case CharacterGranularity:
         if (directionOfEnclosingBlock() == LTR)
             pos = pos.previous(CannotCrossEditingBoundary);
         else
             pos = pos.next(CannotCrossEditingBoundary);
         break;
     case WordGranularity:
         if (directionOfEnclosingBlock() == LTR)
             pos = previousWordPosition(pos);
         else
-            pos = nextWordPosition(pos);
+            pos = nextWordPositionForPlatform(pos);
         break;
     case LineBoundary:
         if (directionOfEnclosingBlock() == LTR)
             pos = modifyExtendingBackward(granularity);
         else
             pos = modifyExtendingForward(granularity);
         break;
     case SentenceGranularity:
     case LineGranularity:
     case ParagraphGranularity:
@@ skipping 1260 matching lines @@
     sel.showTreeForThis();
 }
 
 void showTree(const WebCore::FrameSelection* sel)
 {
     if (sel)
         sel->showTreeForThis();
 }
 
 #endif