diff --git ui/base/ime/input_method_win_base.cc ui/base/ime/input_method_win_base.cc
index 0e89451afb3b..1a0bdac93c1b 100644
--- ui/base/ime/input_method_win_base.cc
+++ ui/base/ime/input_method_win_base.cc
@@ -53,8 +53,9 @@ bool InputMethodWinBase::IsWindowFocused(const TextInputClient* client) const {
   // receiving keyboard input as long as it is an active window. This works well
   // even when the |attached_window_handle| becomes active but has not received
   // WM_FOCUS yet.
+  // With CEF |toplevel_window_handle_| may be a child window.
   return toplevel_window_handle_ &&
-         GetActiveWindow() == toplevel_window_handle_;
+         GetActiveWindow() == ::GetAncestor(toplevel_window_handle_, GA_ROOT);
 }
 
 LRESULT InputMethodWinBase::OnChar(HWND window_handle,