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 d17cf0804803d5c7cd3b507705f366db3ed8c993..b25bfd8597d699fc747b217e214dbd592c2b20de 100644
--- a/content/renderer/render_widget.cc
+++ b/content/renderer/render_widget.cc
@@ -1744,12 +1744,13 @@ 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() {
@@ -1758,16 +1759,23 @@ void RenderWidget::UpdateSelectionBounds() {
   if (handling_ime_event_)
     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) {
-    selection_anchor_rect_ = params.anchor_rect;
-    selection_focus_rect_ = params.focus_rect;
+  gfx::Rect anchor_rect, focus_rect;
+  if (GetSelectionBounds(&anchor_rect, &focus_rect) &&
+      (selection_anchor_rect_ != anchor_rect ||
+       selection_focus_rect_ != focus_rect)) {
+    selection_anchor_rect_ = anchor_rect;
+    selection_focus_rect_ = focus_rect;
+
+    ViewHostMsg_SelectionBounds_Params params;
+    params.anchor_rect = anchor_rect;
+    params.focus_rect = focus_rect;
     webwidget_->selectionTextDirection(params.focus_dir, params.anchor_dir);
     params.is_anchor_first = webwidget_->isSelectionAnchorFirst();
+    params.is_anchor_visible = true;
+    params.is_focus_visible = true;
     Send(new ViewHostMsg_SelectionBoundsChanged(routing_id_, params));
   }
+
 #if defined(OS_MACOSX) || defined(USE_AURA)
   UpdateCompositionInfo(false);
 #endif