Delete some dead ScrollAlignment code.

sky/engine/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 250 matching lines @@
         updateAppearance(ResetCaretBlink);
     }
 
     // Always clear the x position used for vertical arrow navigation.
     // It will be restored by the vertical arrow navigation code if necessary.
     m_xPosForVerticalArrowNavigation = NoXPosForVerticalArrowNavigation();
     selectFrameElementInParentIfFullySelected();
     notifyRendererOfSelectionChange(userTriggered);
     m_frame->editor().respondToChangedSelection(oldSelection, options);
     if (userTriggered == UserTriggered) {
-        ScrollAlignment alignment;
-
-        if (m_frame->editor().behavior().shouldCenterAlignWhenSelectionIsRevealed())
-            alignment = (align == AlignCursorOnScrollAlways) ? ScrollAlignment::alignCenterAlways : ScrollAlignment::alignCenterIfNeeded;
-        else
-            alignment = (align == AlignCursorOnScrollAlways) ? ScrollAlignment::alignTopAlways : ScrollAlignment::alignToEdgeIfNeeded;
-
+        ScrollAlignment alignment = (align == AlignCursorOnScrollAlways) ? ScrollAlignment::alignTopAlways : ScrollAlignment::alignToEdgeIfNeeded;
         revealSelection(alignment, RevealExtent);
     }
 
     notifyAccessibilityForSelectionChange();
     notifyCompositorForSelectionChange();
     m_frame->domWindow()->enqueueDocumentEvent(Event::create(EventTypeNames::selectionchange));
 }
 
 static bool removingNodeRemovesPosition(Node& node, const Position& position)
 {
@@ skipping 1385 matching lines @@
     sel.showTreeForThis();
 }
 
 void showTree(const blink::FrameSelection* sel)
 {
     if (sel)
         sel->showTreeForThis();
 }
 
 #endif