Fixes a crash which occurs when a concealed selection handle in a textfield is exposed.

ui/views/touchui/touch_selection_controller_impl.h

 // Copyright (c) 2013 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 UI_UI_VIEWS_TOUCHUI_TOUCH_SELECTION_CONTROLLER_IMPL_H_
 #define UI_UI_VIEWS_TOUCHUI_TOUCH_SELECTION_CONTROLLER_IMPL_H_
 
 #include "base/macros.h"
 #include "base/timer/timer.h"
 #include "ui/aura/window_observer.h"
@@ skipping 92 matching lines @@
 
   // Convenience method for hiding quick menu.
   void HideQuickMenu();
 
   // Convenience method to calculate anchor rect for quick menu, in screen
   // coordinates.
   gfx::Rect GetQuickMenuAnchorRect() const;
 
   // Convenience methods for testing.
   gfx::NativeView GetCursorHandleNativeView();
+  ui::SelectionBound::Type GetSelectionHandle1Type();
   gfx::Rect GetSelectionHandle1Bounds();
   gfx::Rect GetSelectionHandle2Bounds();
   gfx::Rect GetCursorHandleBounds();
   bool IsSelectionHandle1Visible();
   bool IsSelectionHandle2Visible();
   bool IsCursorHandleVisible();
   gfx::Rect GetExpectedHandleBounds(const ui::SelectionBound& bound);
   views::WidgetDelegateView* GetHandle1View();
   views::WidgetDelegateView* GetHandle2View();
 
@@ skipping 24 matching lines @@
   // Selection bounds, clipped to client view's boundaries.
   ui::SelectionBound selection_bound_1_clipped_;
   ui::SelectionBound selection_bound_2_clipped_;
 
   DISALLOW_COPY_AND_ASSIGN(TouchSelectionControllerImpl);
 };
 
 }  // namespace views
 
 #endif  // UI_UI_VIEWS_TOUCHUI_TOUCH_SELECTION_CONTROLLER_IMPL_H_