Reland: Implement Aura side of unified touch text selection for contents

ui/views/views_delegate.h

Index: ui/views/views_delegate.h
diff --git a/ui/views/views_delegate.h b/ui/views/views_delegate.h
index ea14e7887047e936145986e3fe52f8994c32e53a..6468f196d949442634b02167e0ae26de3791e13d 100644
--- a/ui/views/views_delegate.h
+++ b/ui/views/views_delegate.h
@@ -44,6 +44,11 @@ class NonClientFrameView;
 class ViewsTouchEditingControllerFactory;
 class View;
 class Widget;
+
+#if defined(USE_AURA)
+class TouchSelectionMenuRunnerViews;
+#endif  // defined(USE_AURA)
+
 namespace internal {
 class NativeWidgetDelegate;
 }
@@ -155,6 +160,10 @@ class VIEWS_EXPORT ViewsDelegate {
  private:
   scoped_ptr<ViewsTouchEditingControllerFactory> views_tsc_factory_;
 
+#if defined(USE_AURA)
+  scoped_ptr<TouchSelectionMenuRunnerViews> touch_selection_menu_runner_;
+#endif  // defined(USE_AURA)
+
   DISALLOW_COPY_AND_ASSIGN(ViewsDelegate);
 };