Route selection bounds updates through the compositor

content/renderer/render_widget.cc

Index: content/renderer/render_widget.cc
diff --git a/content/renderer/render_widget.cc b/content/renderer/render_widget.cc
index 3b3c6e793c0da01361d9a660ee23586c27610ad5..9dc05adca3c5e3070bb28a140a359678247c3dcd 100644
--- a/content/renderer/render_widget.cc
+++ b/content/renderer/render_widget.cc
@@ -1741,12 +1741,13 @@ void RenderWidget::UpdateTextInputState(ShowIme show_ime,
 }
 #endif
 
-void RenderWidget::GetSelectionBounds(gfx::Rect* focus, gfx::Rect* anchor) {
+bool RenderWidget::GetSelectionBounds(gfx::Rect* focus, gfx::Rect* anchor) {
   WebRect focus_webrect;
   WebRect anchor_webrect;
   webwidget_->selectionBounds(focus_webrect, anchor_webrect);
   *focus = focus_webrect;
   *anchor = anchor_webrect;
+  return true;
 }
 
 void RenderWidget::UpdateSelectionBounds() {
@@ -1756,9 +1757,9 @@ void RenderWidget::UpdateSelectionBounds() {
     return;
 
   ViewHostMsg_SelectionBounds_Params params;
-  GetSelectionBounds(&params.anchor_rect, &params.focus_rect);
-  if (selection_anchor_rect_ != params.anchor_rect ||
-      selection_focus_rect_ != params.focus_rect) {
+  if (GetSelectionBounds(&params.anchor_rect, &params.focus_rect) &&
+      (selection_anchor_rect_ != params.anchor_rect ||
+       selection_focus_rect_ != params.focus_rect)) {
     selection_anchor_rect_ = params.anchor_rect;
     selection_focus_rect_ = params.focus_rect;
     webwidget_->selectionTextDirection(params.focus_dir, params.anchor_dir);