Tracking text selection on the browser side in OOPIF.

content/browser/frame_host/render_widget_host_view_child_frame.h

 // Copyright 2014 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_FRAME_HOST_RENDER_WIDGET_HOST_VIEW_CHILD_FRAME_H_
 #define CONTENT_BROWSER_FRAME_HOST_RENDER_WIDGET_HOST_VIEW_CHILD_FRAME_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 81 matching lines @@
   // RenderWidgetHostViewBase implementation.
   void InitAsPopup(RenderWidgetHostView* parent_host_view,
                    const gfx::Rect& bounds) override;
   void InitAsFullscreen(RenderWidgetHostView* reference_host_view) override;
   void UpdateCursor(const WebCursor& cursor) override;
   void SetIsLoading(bool is_loading) override;
   void RenderProcessGone(base::TerminationStatus status,
                          int error_code) override;
   void Destroy() override;
   void SetTooltipText(const base::string16& tooltip_text) override;
-  void SelectionChanged(const base::string16& text,
-                        size_t offset,
-                        const gfx::Range& range) override;
   void CopyFromCompositingSurface(
       const gfx::Rect& src_subrect,
       const gfx::Size& dst_size,
       const ReadbackRequestCallback& callback,
       const SkColorType preferred_color_type) override;
   void CopyFromCompositingSurfaceToVideoFrame(
       const gfx::Rect& src_subrect,
       const scoped_refptr<media::VideoFrame>& target,
       const base::Callback<void(const gfx::Rect&, bool)>& callback) override;
   bool CanCopyToVideoFrame() const override;
@@ skipping 121 matching lines @@
   // The surface client ID of the parent RenderWidgetHostView.  0 if none.
   uint32_t parent_surface_client_id_;
 
   base::WeakPtrFactory<RenderWidgetHostViewChildFrame> weak_factory_;
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostViewChildFrame);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_FRAME_HOST_RENDER_WIDGET_HOST_VIEW_CHILD_FRAME_H_