Use focused RenderWidgetHostImpl instead of TextInputManager::GetActiveWidget() to obtain TextSelec…

content/browser/web_contents/web_contents_impl.cc

Index: content/browser/web_contents/web_contents_impl.cc
diff --git a/content/browser/web_contents/web_contents_impl.cc b/content/browser/web_contents/web_contents_impl.cc
index 19d9d26bb515dabebf7fc2b03b581dc393474d66..7d944bf322effa6e7636d177a539815e4303d7dd 100644
--- a/content/browser/web_contents/web_contents_impl.cc
+++ b/content/browser/web_contents/web_contents_impl.cc
@@ -1823,6 +1823,12 @@ void WebContentsImpl::ReplicatePageFocus(bool is_focused) {
 
 RenderWidgetHostImpl* WebContentsImpl::GetFocusedRenderWidgetHost(
     RenderWidgetHostImpl* receiving_widget) {
+  if (!receiving_widget)
+    receiving_widget = GetMainFrame()->GetRenderWidgetHost();
+
+  if (!receiving_widget)
+    return nullptr;
+
   if (!SiteIsolationPolicy::AreCrossProcessFramesPossible())
     return receiving_widget;