Enable touch based selection and editing for webpages behind a flag.

content/browser/renderer_host/render_widget_host_view_base.h

 // Copyright (c) 2012 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 CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_BASE_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_BASE_H_
 
 #if defined(OS_MACOSX)
 #include <OpenGL/OpenGL.h>
 #endif
@@ skipping 31 matching lines @@
 class CONTENT_EXPORT RenderWidgetHostViewBase
     : public RenderWidgetHostViewPort {
  public:
   virtual ~RenderWidgetHostViewBase();
 
   // RenderWidgetHostViewPort implementation.
   virtual bool OnMessageReceived(const IPC::Message& msg) OVERRIDE;
   virtual void SelectionChanged(const string16& text,
                                 size_t offset,
                                 const ui::Range& range) OVERRIDE;
+  virtual void TouchEditingHandlesVisibilityChanged(bool visible) OVERRIDE;
   virtual void SetBackground(const SkBitmap& background) OVERRIDE;
   virtual const SkBitmap& GetBackground() OVERRIDE;
   virtual bool IsShowingContextMenu() const OVERRIDE;
   virtual void SetShowingContextMenu(bool showing_menu) OVERRIDE;
   virtual string16 GetSelectedText() const OVERRIDE;
   virtual bool IsMouseLocked() OVERRIDE;
   virtual void UnhandledWheelEvent(
       const WebKit::WebMouseWheelEvent& event) OVERRIDE;
   virtual void SetPopupType(WebKit::WebPopupType popup_type) OVERRIDE;
   virtual WebKit::WebPopupType GetPopupType() OVERRIDE;
@@ skipping 69 matching lines @@
 
   gfx::Rect current_display_area_;
   float current_device_scale_factor_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostViewBase);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_BASE_H_