Make GranularityStrategy::updateExtent() to return SelectionInDOM instead of VisibleSelection

third_party/WebKit/Source/core/editing/GranularityStrategy.h

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef GranularityStrategy_h
 #define GranularityStrategy_h
 
 #include "core/editing/SelectionStrategy.h"
-#include "core/editing/VisibleSelection.h"
+#include "core/editing/SelectionTemplate.h"
 #include "wtf/Allocator.h"
 
 namespace blink {
 
 class GranularityStrategy {
   USING_FAST_MALLOC(GranularityStrategy);
 
  public:
   virtual ~GranularityStrategy();
   virtual SelectionStrategy GetType() const = 0;
   virtual void Clear() = 0;
 
   // Calculates and returns the new selection based on the updated extent
   // location in absolute coordinates.
-  virtual VisibleSelection updateExtent(const IntPoint&, LocalFrame*) = 0;
+  virtual SelectionInDOMTree updateExtent(const IntPoint&, LocalFrame*) = 0;
 
  protected:
   GranularityStrategy();
 };
 
 // Always uses character granularity.
 class CharacterGranularityStrategy final : public GranularityStrategy {
  public:
   CharacterGranularityStrategy();
   ~CharacterGranularityStrategy() final;
 
   // GranularityStrategy:
   SelectionStrategy GetType() const final;
   void Clear() final;
-  VisibleSelection updateExtent(const IntPoint&, LocalFrame*) final;
+  SelectionInDOMTree updateExtent(const IntPoint&, LocalFrame*) final;
 };
 
 // "Expand by word, shrink by character" selection strategy.
 // Uses character granularity when selection is shrinking. If the selection is
 // expanding, granularity doesn't change until a word boundary is passed, after
 // which the granularity switches to "word".
 // In word granularity, the word is not selected until the extent point passes
 // the middle of the word.
 //
 // The "offset" feature:
@@ skipping 27 matching lines @@
 // Move forward one character. End moves with extent in character granularity.
 // Lorem ip^sum dolor|> sit amet, consectetur
 class DirectionGranularityStrategy final : public GranularityStrategy {
  public:
   DirectionGranularityStrategy();
   ~DirectionGranularityStrategy() final;
 
   // GranularityStrategy:
   SelectionStrategy GetType() const final;
   void Clear() final;
-  VisibleSelection updateExtent(const IntPoint&, LocalFrame*) final;
+  SelectionInDOMTree updateExtent(const IntPoint&, LocalFrame*) final;
 
  private:
   enum class StrategyState {
     // Starting state.
     // Selection was cleared and there were no extent updates since then.
     // One an update is performed, the strategy goes into the Expanding
     // state unless the update shrinks the selection without changing
     // relative base/extent order, in which case the strategy goes into the
     // Shrinking state.
     Cleared,
@@ skipping 16 matching lines @@
 
   // This defines location of the offset-adjusted extent point (from the
   // latest updateExtent call) relative to the location of extent's
   // VisiblePosition. It is used to detect sub-position extent movement.
   IntSize m_diffExtentPointFromExtentPosition;
 };
 
 }  // namespace blink
 
 #endif  // GranularityStrategy_h