diff --git a/shell/browser/api/electron_api_web_contents.cc b/shell/browser/api/electron_api_web_contents.cc
index 9fe4cc882c72..b901e0793bf5 100644
--- a/shell/browser/api/electron_api_web_contents.cc
+++ b/shell/browser/api/electron_api_web_contents.cc
@@ -3759,6 +3759,12 @@ bool WebContents::IsFullscreenForTabOrPending(
   return is_html_fullscreen() || (in_transition && is_html_transition);
 }
 
+content::FullscreenState WebContents::GetFullscreenState(
+    const content::WebContents* source) const {
+  return exclusive_access_manager_->fullscreen_controller()->GetFullscreenState(
+      source);
+}
+
 bool WebContents::TakeFocus(content::WebContents* source, bool reverse) {
   if (source && source->GetOutermostWebContents() == source) {
     // If this is the outermost web contents and the user has tabbed or
diff --git a/shell/browser/api/electron_api_web_contents.h b/shell/browser/api/electron_api_web_contents.h
index bcd01b9c3f51..e524bceda032 100644
--- a/shell/browser/api/electron_api_web_contents.h
+++ b/shell/browser/api/electron_api_web_contents.h
@@ -696,6 +696,8 @@ class WebContents : public ExclusiveAccessContext,
 
   // content::WebContentsDelegate
   bool IsFullscreenForTabOrPending(const content::WebContents* source) override;
+  content::FullscreenState GetFullscreenState(
+      const content::WebContents* web_contents) const override;
   bool TakeFocus(content::WebContents* source, bool reverse) override;
   content::PictureInPictureResult EnterPictureInPicture(
       content::WebContents* web_contents) override;