Chromium plumbing to use the selection root bounds.

content/browser/frame_host/render_widget_host_view_guest.cc

Index: content/browser/frame_host/render_widget_host_view_guest.cc
diff --git a/content/browser/frame_host/render_widget_host_view_guest.cc b/content/browser/frame_host/render_widget_host_view_guest.cc
index eef781bda9df2fa37fd4a8d239cab85434f77b13..0f4928b04a920a6549e5dac0aad4cd91c1b99022 100644
--- a/content/browser/frame_host/render_widget_host_view_guest.cc
+++ b/content/browser/frame_host/render_widget_host_view_guest.cc
@@ -367,6 +367,19 @@ void RenderWidgetHostViewGuest::SelectionBoundsChanged(
   rwhv->SelectionBoundsChanged(guest_params);
 }
 
+void RenderWidgetHostViewGuest::SelectionRootBoundsChanged(
+    const gfx::Rect& bounds) {
+  if (!guest_)
+    return;
+
+  RenderWidgetHostViewPort* rwhv = RenderWidgetHostViewPort::FromRWHV(
+      guest_->GetEmbedderRenderWidgetHostView());
+  if (!rwhv)
+    return;
+
+  rwhv->SelectionRootBoundsChanged(guest_->ToGuestRect(bounds));
+}
+
 void RenderWidgetHostViewGuest::CopyFromCompositingSurface(
     const gfx::Rect& src_subrect,
     const gfx::Size& dst_size,