diff --git content/browser/browser_plugin/browser_plugin_embedder.h content/browser/browser_plugin/browser_plugin_embedder.h
index ea2891a279371..595e5b8eb2cb6 100644
--- content/browser/browser_plugin/browser_plugin_embedder.h
+++ content/browser/browser_plugin/browser_plugin_embedder.h
@@ -15,6 +15,7 @@
 #define CONTENT_BROWSER_BROWSER_PLUGIN_BROWSER_PLUGIN_EMBEDDER_H_
 
 #include "base/memory/raw_ptr.h"
+#include "content/common/content_export.h"
 
 namespace input {
 struct NativeWebKeyboardEvent;
@@ -29,7 +30,7 @@ class WebContentsImpl;
 
 // TODO(wjmaclean): Get rid of "BrowserPlugin" in the name of this class.
 // Perhaps "WebContentsEmbedderDelegate" would be better?
-class BrowserPluginEmbedder {
+class CONTENT_EXPORT BrowserPluginEmbedder {
  public:
   BrowserPluginEmbedder(const BrowserPluginEmbedder&) = delete;
   BrowserPluginEmbedder& operator=(const BrowserPluginEmbedder&) = delete;
diff --git content/browser/browser_plugin/browser_plugin_guest.cc content/browser/browser_plugin/browser_plugin_guest.cc
index 9c2b92be1dd07..adfda85e74ea8 100644
--- content/browser/browser_plugin/browser_plugin_guest.cc
+++ content/browser/browser_plugin/browser_plugin_guest.cc
@@ -49,6 +49,8 @@ std::unique_ptr<WebContentsImpl> BrowserPluginGuest::CreateNewGuestWindow(
 }
 
 void BrowserPluginGuest::InitInternal(WebContentsImpl* owner_web_contents) {
+  owner_web_contents_ = owner_web_contents;
+
   RenderWidgetHostImpl* rwhi =
       GetWebContents()->GetPrimaryMainFrame()->GetRenderWidgetHost();
   DCHECK(rwhi);
diff --git content/browser/browser_plugin/browser_plugin_guest.h content/browser/browser_plugin/browser_plugin_guest.h
index 7f3083029d45e..94a5cbed96a10 100644
--- content/browser/browser_plugin/browser_plugin_guest.h
+++ content/browser/browser_plugin/browser_plugin_guest.h
@@ -70,6 +70,8 @@ class BrowserPluginGuest : public WebContentsObserver {
   WebContentsImpl* GetWebContents() const;
   RenderFrameHostImpl* GetProspectiveOuterDocument();
 
+  WebContentsImpl* owner_web_contents() const { return owner_web_contents_; }
+
  private:
   // BrowserPluginGuest is a WebContentsObserver of |web_contents| and
   // |web_contents| has to stay valid for the lifetime of BrowserPluginGuest.
@@ -80,6 +82,8 @@ class BrowserPluginGuest : public WebContentsObserver {
 
   // May be null during guest destruction.
   const base::WeakPtr<BrowserPluginGuestDelegate> delegate_;
+
+  raw_ptr<WebContentsImpl> owner_web_contents_ = nullptr;
 };
 
 }  // namespace content