Minor fix to touch selection logic.

views/touchui/touch_selection_controller_impl.h

 // Copyright (c) 2011 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 VIEWS_TOUCHUI_TOUCH_SELECTION_CONTROLLER_IMPL_H_
 #define VIEWS_TOUCHUI_TOUCH_SELECTION_CONTROLLER_IMPL_H_
 #pragma once
 
 #include "ui/gfx/point.h"
 #include "views/touchui/touch_selection_controller.h"
@@ skipping 21 matching lines @@
   class SelectionHandleView;
 
   // Callback to inform the client view that the selection handle has been
   // dragged, hence selection may need to be updated.
   void SelectionHandleDragged(const gfx::Point& drag_pos);
 
   // Convenience method to convert a point from a selection handle's coordinate
   // system to that of the client view.
   void ConvertPointToClientView(SelectionHandleView* source, gfx::Point* point);
 
+  // Convenience method to check if a point lies inside or on the boundary of
+  // client_view_.
+  bool isPointInClientView(const gfx::Point& p);
+
   // Convenience methods for testing.
   gfx::Point GetSelectionHandle1Position();
   gfx::Point GetSelectionHandle2Position();
   bool IsSelectionHandle1Visible();
   bool IsSelectionHandle2Visible();
 
   TouchSelectionClientView* client_view_;
   scoped_ptr<SelectionHandleView> selection_handle_1_;
   scoped_ptr<SelectionHandleView> selection_handle_2_;
 
   // Pointer to the SelectionHandleView being dragged during a drag session.
   SelectionHandleView* dragging_handle_;
 
   DISALLOW_COPY_AND_ASSIGN(TouchSelectionControllerImpl);
 };
 
 }  // namespace views
 
 #endif  // VIEWS_TOUCHUI_TOUCH_SELECTION_CONTROLLER_IMPL_H_