Revert of Update TextSelection for non-user initiated events

content/browser/renderer_host/render_widget_host_view_base.h

Index: content/browser/renderer_host/render_widget_host_view_base.h
diff --git a/content/browser/renderer_host/render_widget_host_view_base.h b/content/browser/renderer_host/render_widget_host_view_base.h
index e8a46714af0b2ed0e8e7b0f556004545c83e246d..2c2364fc861f41c2dabb04a7dcb3389fca89ad70 100644
--- a/content/browser/renderer_host/render_widget_host_view_base.h
+++ b/content/browser/renderer_host/render_widget_host_view_base.h
@@ -162,8 +162,7 @@
   // Notifies the View that the renderer text selection has changed.
   virtual void SelectionChanged(const base::string16& text,
                                 size_t offset,
-                                const gfx::Range& range,
-                                bool user_initiated);
+                                const gfx::Range& range);
 
   // The requested size of the renderer. May differ from GetViewBounds().size()
   // when the view requires additional throttling.