Track text selection on the browser side (Mac)

content/browser/renderer_host/render_widget_host_view_mac.h

Index: content/browser/renderer_host/render_widget_host_view_mac.h
diff --git a/content/browser/renderer_host/render_widget_host_view_mac.h b/content/browser/renderer_host/render_widget_host_view_mac.h
index 6d647c7157bd88c14a01e5699820657d68a1f443..a7da0a994d2ff48872927f6b75db0a2881392b32 100644
--- a/content/browser/renderer_host/render_widget_host_view_mac.h
+++ b/content/browser/renderer_host/render_widget_host_view_mac.h
@@ -288,9 +288,6 @@ class CONTENT_EXPORT RenderWidgetHostViewMac
                          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 SelectionBoundsChanged(
       const ViewHostMsg_SelectionBounds_Params& params) override;
   void CopyFromCompositingSurface(const gfx::Rect& src_subrect,
@@ -356,7 +353,8 @@ class CONTENT_EXPORT RenderWidgetHostViewMac
   void OnImeCompositionRangeChanged(
       TextInputManager* text_input_manager,
       RenderWidgetHostViewBase* updated_view) override;
-
+  void OnTextSelectionChanged(TextInputManager* text_input_manager,
+                              RenderWidgetHostViewBase* updated_view) override;
   // IPC::Sender implementation.
   bool Send(IPC::Message* message) override;