touchui: Fine-tune selection-controller visibility.

chrome/browser/renderer_host/render_widget_host_view_views.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 CHROME_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_VIEWS_H_
 #define CHROME_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_VIEWS_H_
 #pragma once
 
 #include <map>
 #include <string>
@@ skipping 187 matching lines @@
   void ShowCurrentCursor();
 
   // Translate a views::MouseEvent into a WebKit::WebMouseEvent.
   WebKit::WebMouseEvent WebMouseEventFromViewsEvent(
       const views::MouseEvent& event);
 
   // Confirm existing composition text in the webpage and ask the input method
   // to cancel its ongoing composition sesstion.
   void FinishImeCompositionSession();
 
+  // Updates the touch-selection controller (e.g. when the selection/focus
+  // changes).
+  void UpdateTouchSelectionController();
+
 #if defined(TOOLKIT_USES_GTK)
   // On some systems, there can be two native views, where an outer native view
   // contains the inner native view (e.g. when using GTK+). This returns the
   // inner view. This can return NULL when it's not attached to a view.
   gfx::NativeView GetInnerNativeView() const;
 #endif
 
   // The model object.
   RenderWidgetHost* host_;
 
@@ skipping 46 matching lines @@
   gfx::Rect caret_bounds_;
 
   // Indicates if there is onging composition text.
   bool has_composition_text_;
 
   string16 tooltip_text_;
 
   scoped_ptr<views::TouchSelectionController> touch_selection_controller_;
   gfx::Point selection_start_;
   gfx::Point selection_end_;
+  ScopedRunnableMethodFactory<RenderWidgetHostViewViews>
+      update_touch_selection_;
 
 #if defined(TOUCH_UI)
   std::map<uint64, scoped_refptr<AcceleratedSurfaceContainerTouch> >
       accelerated_surface_containers_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostViewViews);
 };
 
 #endif  // CHROME_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_VIEWS_H_