Change a FrameSelection::setSelectedRange argument type from bool to enum.

Source/core/editing/FrameSelection.h

 /*
  * 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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 67 matching lines @@
         SpellCorrectionTriggered = 1 << 3,
         DoNotSetFocus = 1 << 4,
         DoNotUpdateAppearance = 1 << 5,
     };
     typedef unsigned SetSelectionOptions; // Union of values in SetSelectionOption and EUserTriggered
     static inline EUserTriggered selectionOptionsToUserTriggered(SetSelectionOptions options)
     {
         return static_cast<EUserTriggered>(options & UserTriggered);
     }
 
+    enum DirectoinalOption {
+        NonDirectional,
+        Directional
+    };
+
     Element* rootEditableElement() const { return m_selection.rootEditableElement(); }
     Element* rootEditableElementOrDocumentElement() const;
     Node* rootEditableElementOrTreeScopeRootNode() const;
 
     bool rendererIsEditable() const { return m_selection.rendererIsEditable(); }
     bool isContentEditable() const { return m_selection.isContentEditable(); }
     bool isContentRichlyEditable() const { return m_selection.isContentRichlyEditable(); }
 
     void moveTo(const VisiblePosition&, EUserTriggered = NotUserTriggered, CursorAlignOnScroll = AlignCursorOnScrollIfNeeded);
     void moveTo(const VisiblePosition&, const VisiblePosition&, EUserTriggered = NotUserTriggered);
     void moveTo(const Position&, EAffinity, EUserTriggered = NotUserTriggered);
 
     const VisibleSelection& selection() const { return m_selection; }
     void setSelection(const VisibleSelection&, SetSelectionOptions = CloseTyping | ClearTypingStyle, CursorAlignOnScroll = AlignCursorOnScrollIfNeeded, TextGranularity = CharacterGranularity);
     void setSelection(const VisibleSelection& selection, TextGranularity granularity) { setSelection(selection, CloseTyping | ClearTypingStyle, AlignCursorOnScrollIfNeeded, granularity); }
-    bool setSelectedRange(Range*, EAffinity, bool isDirectional = false, SetSelectionOptions = CloseTyping | ClearTypingStyle);
+    bool setSelectedRange(Range*, EAffinity, DirectoinalOption directional = NonDirectional, SetSelectionOptions = CloseTyping | ClearTypingStyle);
     void selectAll();
     void clear();
     void prepareForDestruction();
 
     // Call this after doing user-triggered selections to make it easy to delete the frame you entirely selected.
     void selectFrameElementInParentIfFullySelected();
 
     bool contains(const LayoutPoint&);
 
     SelectionType selectionType() const { return m_selection.selectionType(); }
@@ skipping 186 matching lines @@
 }
 } // namespace WebCore
 
 #ifndef NDEBUG
 // Outside the WebCore namespace for ease of invocation from gdb.
 void showTree(const WebCore::FrameSelection&);
 void showTree(const WebCore::FrameSelection*);
 #endif
 
 #endif // FrameSelection_h