Get rid of unused functions SelectionAdjuster::adjustSelectionIn{DOM,Flat}Tree

third_party/WebKit/Source/core/editing/SelectionAdjuster.cpp

 /*
  * Copyright (C) 2004, 2005, 2006, 2007, 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
@@ skipping 135 matching lines @@
   }
 
   if (Node* firstChild = treeScope.rootNode().firstChild())
     return Position::beforeNode(firstChild);
 
   return Position();
 }
 
 }  // namespace
 
-// Updates |selectionInFlatTree| to match with |selection|.
-void SelectionAdjuster::adjustSelectionInFlatTree(
-    VisibleSelectionInFlatTree* selectionInFlatTree,
-    const VisibleSelection& selection) {
-  if (selection.isNone()) {
-    *selectionInFlatTree = VisibleSelectionInFlatTree();
-    return;
-  }
-
-  const PositionInFlatTree& base = toPositionInFlatTree(selection.base());
-  const PositionInFlatTree& extent = toPositionInFlatTree(selection.extent());
-  const PositionInFlatTree& position1 = toPositionInFlatTree(selection.start());
-  const PositionInFlatTree& position2 = toPositionInFlatTree(selection.end());
-  position1.anchorNode()->updateDistribution();
-  position2.anchorNode()->updateDistribution();
-  selectionInFlatTree->m_base = base;
-  selectionInFlatTree->m_extent = extent;
-  selectionInFlatTree->m_affinity = selection.m_affinity;
-  selectionInFlatTree->m_isDirectional = selection.m_isDirectional;
-  selectionInFlatTree->m_granularity = selection.m_granularity;
-  selectionInFlatTree->m_hasTrailingWhitespace =
-      selection.m_hasTrailingWhitespace;
-  selectionInFlatTree->m_baseIsFirst =
-      base.isNull() || base.compareTo(extent) <= 0;
-  if (position1.compareTo(position2) <= 0) {
-    selectionInFlatTree->m_start = position1;
-    selectionInFlatTree->m_end = position2;
-  } else {
-    selectionInFlatTree->m_start = position2;
-    selectionInFlatTree->m_end = position1;
-  }
-  selectionInFlatTree->updateSelectionType();
-}
-
-static bool isCrossingShadowBoundaries(
-    const VisibleSelectionInFlatTree& selection) {
-  if (!selection.isRange())
-    return false;
-  TreeScope& treeScope = selection.base().anchorNode()->treeScope();
-  return selection.extent().anchorNode()->treeScope() != treeScope ||
-         selection.start().anchorNode()->treeScope() != treeScope ||
-         selection.end().anchorNode()->treeScope() != treeScope;
-}
-
-// TODO(yosin): We should make |adjustSelectionInDOMTree()| to return
-// |VisibleSelection| once |VisibleSelection| constructor doesn't call
-// |validate()|.
-void SelectionAdjuster::adjustSelectionInDOMTree(
-    VisibleSelection* selection,
-    const VisibleSelectionInFlatTree& selectionInFlatTree) {
-  if (selectionInFlatTree.isNone()) {
-    *selection = VisibleSelection();
-    return;
-  }
-
-  const Position& base = toPositionInDOMTree(selectionInFlatTree.base());
-  const Position& extent = toPositionInDOMTree(selectionInFlatTree.extent());
-
-  if (isCrossingShadowBoundaries(selectionInFlatTree)) {
-    DCHECK(base.document());
-
-    // TODO(xiaochengh): The use of updateStyleAndLayoutIgnorePendingStylesheets
-    // needs to be audited.  See http://crbug.com/590369 for more details.
-    // This layout update call cannot be hoisted out of the |if|, otherwise it's
-    // going to cause performance regression (http://crbug.com/652301).
-    // TODO(yosin): Implement and apply lazy visible selection validation so
-    // that we don't need to update layout here.
-    base.document()->updateStyleAndLayoutIgnorePendingStylesheets();
-
-    *selection = createVisibleSelection(
-        SelectionInDOMTree::Builder().setBaseAndExtent(base, extent).build());
-    return;
-  }
-
-  const Position& position1 = toPositionInDOMTree(selectionInFlatTree.start());
-  const Position& position2 = toPositionInDOMTree(selectionInFlatTree.end());
-  selection->m_base = base;
-  selection->m_extent = extent;
-  selection->m_affinity = selectionInFlatTree.m_affinity;
-  selection->m_isDirectional = selectionInFlatTree.m_isDirectional;
-  selection->m_granularity = selectionInFlatTree.m_granularity;
-  selection->m_hasTrailingWhitespace =
-      selectionInFlatTree.m_hasTrailingWhitespace;
-  selection->m_baseIsFirst = base.isNull() || base.compareTo(extent) <= 0;
-  if (position1.compareTo(position2) <= 0) {
-    selection->m_start = position1;
-    selection->m_end = position2;
-  } else {
-    selection->m_start = position2;
-    selection->m_end = position1;
-  }
-  selection->updateSelectionType();
-}
-
 void SelectionAdjuster::adjustSelectionToAvoidCrossingShadowBoundaries(
     VisibleSelection* selection) {
   // Note: |m_selectionType| isn't computed yet.
   DCHECK(selection->base().isNotNull());
   DCHECK(selection->extent().isNotNull());
   DCHECK(selection->start().isNotNull());
   DCHECK(selection->end().isNotNull());
 
   // TODO(hajimehoshi): Checking treeScope is wrong when a node is
   // distributed, but we leave it as it is for backward compatibility.
@@ skipping 34 matching lines @@
     return;
   }
   Node* const shadowHost = shadowHostEnd ? shadowHostEnd : shadowHostStart;
   const PositionInFlatTree& newStart =
       adjustPositionInFlatTreeForStart(selection->start(), shadowHost);
   selection->m_extent = newStart;
   selection->m_start = newStart;
 }
 
 }  // namespace blink