Revert of Chromium plumbing to use the selection root bounds.

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 e00c9779946bcb76624a076f3917032e4c628acc..edcb0cc3551fc8e81a257eabedf906a0469a9b50 100644
--- a/content/browser/renderer_host/render_widget_host_view_base.h
+++ b/content/browser/renderer_host/render_widget_host_view_base.h
@@ -324,9 +324,6 @@ class CONTENT_EXPORT RenderWidgetHostViewBase : public RenderWidgetHostView,
   virtual void ShowDisambiguationPopup(const gfx::Rect& target_rect,
                                        const SkBitmap& zoomed_bitmap) = 0;
 
-  // Notifies the View that the renderer selection root bounds has changed.
-  virtual void SelectionRootBoundsChanged(const gfx::Rect& bounds) = 0;
-
   // Instructs the view to not drop the surface even when the view is hidden.
   virtual void LockCompositingSurface() = 0;
   virtual void UnlockCompositingSurface() = 0;