MacViews: Correct behavior of move and select commands when selection direction changes.

ui/gfx/render_text.h

Index: ui/gfx/render_text.h
diff --git a/ui/gfx/render_text.h b/ui/gfx/render_text.h
index d93d92815793b239eacbddd33c0fb471809654f3..372aae76340fc1c007ff6ef3b1190e5028831a5e 100644
--- a/ui/gfx/render_text.h
+++ b/ui/gfx/render_text.h
@@ -321,9 +321,18 @@ class GFX_EXPORT RenderText {
   // Moves the cursor left or right. Cursor movement is visual, meaning that
   // left and right are relative to screen, not the directionality of the text.
   // If |select| is false, the selection start is moved to the same position.
+  // |select_behavior| specifies the selection behavior in case the selection
+  // direction is reversed.
   void MoveCursor(BreakType break_type,
                   VisualCursorDirection direction,
-                  bool select);
+                  bool select,
+                  SelectionReversedBehavior select_behavior);
+
+  void MoveCursor(BreakType break_type,
+                  VisualCursorDirection direction,
+                  bool select) {
+    MoveCursor(break_type, direction, select, SELECTION_DEFAULT);
+  }
 
   // Set the selection_model_ to the value of |selection|.
   // The selection range is clamped to text().length() if out of range.