diff --git a/BUILD.gn b/BUILD.gn
index f9e014aea..f3427ae4c 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -479,6 +479,8 @@ source_set("libcef_static") {
     "libcef/browser/browser_context.h",
     "libcef/browser/browser_frame.cc",
     "libcef/browser/browser_frame.h",
+    "libcef/browser/browser_guest_util.cc",
+    "libcef/browser/browser_guest_util.h",
     "libcef/browser/browser_host_base.cc",
     "libcef/browser/browser_host_base.h",
     "libcef/browser/browser_host_create.cc",
@@ -554,8 +556,6 @@ source_set("libcef_static") {
     "libcef/browser/download_manager_delegate.h",
     "libcef/browser/download_manager_delegate_impl.cc",
     "libcef/browser/download_manager_delegate_impl.h",
-    "libcef/browser/extensions/browser_extensions_util.cc",
-    "libcef/browser/extensions/browser_extensions_util.h",
     "libcef/browser/file_dialog_manager.cc",
     "libcef/browser/file_dialog_manager.h",
     "libcef/browser/file_dialog_runner.cc",
diff --git a/libcef/browser/alloy/alloy_browser_host_impl.cc b/libcef/browser/alloy/alloy_browser_host_impl.cc
index 8411b1d9a..4284730c3 100644
--- a/libcef/browser/alloy/alloy_browser_host_impl.cc
+++ b/libcef/browser/alloy/alloy_browser_host_impl.cc
@@ -15,11 +15,11 @@
 #include "cef/libcef/browser/alloy/browser_platform_delegate_alloy.h"
 #include "cef/libcef/browser/audio_capturer.h"
 #include "cef/libcef/browser/browser_context.h"
+#include "cef/libcef/browser/browser_guest_util.h"
 #include "cef/libcef/browser/browser_info.h"
 #include "cef/libcef/browser/browser_info_manager.h"
 #include "cef/libcef/browser/browser_platform_delegate.h"
 #include "cef/libcef/browser/context.h"
-#include "cef/libcef/browser/extensions/browser_extensions_util.h"
 #include "cef/libcef/browser/hang_monitor.h"
 #include "cef/libcef/browser/media_access_query.h"
 #include "cef/libcef/browser/osr/osr_util.h"
@@ -559,8 +559,8 @@ void AlloyBrowserHostImpl::CancelContextMenu() {
 bool AlloyBrowserHostImpl::MaybeAllowNavigation(
     content::RenderFrameHost* opener,
     const content::OpenURLParams& params) {
-  const bool is_guest_view = extensions::IsBrowserPluginGuest(
-      content::WebContents::FromRenderFrameHost(opener));
+  const bool is_guest_view =
+      IsBrowserPluginGuest(content::WebContents::FromRenderFrameHost(opener));
   if (is_guest_view && !params.is_pdf &&
       !params.url.SchemeIs(extensions::kExtensionScheme) &&
       !params.url.SchemeIs(content::kChromeUIScheme)) {
diff --git a/libcef/browser/extensions/browser_extensions_util.cc b/libcef/browser/browser_guest_util.cc
similarity index 94%
rename from libcef/browser/extensions/browser_extensions_util.cc
rename to libcef/browser/browser_guest_util.cc
index 602583b0a..3cde4fb6a 100644
--- a/libcef/browser/extensions/browser_extensions_util.cc
+++ b/libcef/browser/browser_guest_util.cc
@@ -2,15 +2,13 @@
 // reserved. Use of this source code is governed by a BSD-style license that
 // can be found in the LICENSE file.
 
-#include "cef/libcef/browser/extensions/browser_extensions_util.h"
+#include "cef/libcef/browser/browser_guest_util.h"
 
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/printing/print_preview_dialog_controller.h"
 #include "content/browser/browser_plugin/browser_plugin_guest.h"
 #include "content/browser/web_contents/web_contents_impl.h"
 
-namespace extensions {
-
 namespace {
 
 content::WebContents* GetOwnerForBrowserPluginGuest(
@@ -62,5 +60,3 @@ bool IsBrowserPluginGuest(const content::WebContents* web_contents) {
 bool IsPrintPreviewDialog(const content::WebContents* web_contents) {
   return !!GetInitiatorForPrintPreviewDialog(web_contents);
 }
-
-}  // namespace extensions
diff --git a/libcef/browser/extensions/browser_extensions_util.h b/libcef/browser/browser_guest_util.h
similarity index 70%
rename from libcef/browser/extensions/browser_extensions_util.h
rename to libcef/browser/browser_guest_util.h
index 693766d48..6bd021884 100644
--- a/libcef/browser/extensions/browser_extensions_util.h
+++ b/libcef/browser/browser_guest_util.h
@@ -2,15 +2,13 @@
 // reserved. Use of this source code is governed by a BSD-style license that
 // can be found in the LICENSE file.
 
-#ifndef CEF_LIBCEF_BROWSER_EXTENSIONS_BROWSER_EXTENSIONS_UTIL_H_
-#define CEF_LIBCEF_BROWSER_EXTENSIONS_BROWSER_EXTENSIONS_UTIL_H_
+#ifndef CEF_LIBCEF_BROWSER_BROWSER_GUEST_UTIL_H_
+#define CEF_LIBCEF_BROWSER_BROWSER_GUEST_UTIL_H_
 
 namespace content {
 class WebContents;
 }  // namespace content
 
-namespace extensions {
-
 // Returns the WebContents that owns the specified |guest|, if any.
 content::WebContents* GetOwnerForGuestContents(
     const content::WebContents* guest);
@@ -19,6 +17,4 @@ content::WebContents* GetOwnerForGuestContents(
 bool IsBrowserPluginGuest(const content::WebContents* web_contents);
 bool IsPrintPreviewDialog(const content::WebContents* web_contents);
 
-}  // namespace extensions
-
-#endif  // CEF_LIBCEF_BROWSER_EXTENSIONS_BROWSER_EXTENSIONS_UTIL_H_
+#endif  // CEF_LIBCEF_BROWSER_BROWSER_GUEST_UTIL_H_
diff --git a/libcef/browser/browser_host_base.cc b/libcef/browser/browser_host_base.cc
index e6b44ac18..5f6680697 100644
--- a/libcef/browser/browser_host_base.cc
+++ b/libcef/browser/browser_host_base.cc
@@ -7,10 +7,10 @@
 #include <tuple>
 
 #include "base/logging.h"
+#include "cef/libcef/browser/browser_guest_util.h"
 #include "cef/libcef/browser/browser_info_manager.h"
 #include "cef/libcef/browser/browser_platform_delegate.h"
 #include "cef/libcef/browser/context.h"
-#include "cef/libcef/browser/extensions/browser_extensions_util.h"
 #include "cef/libcef/browser/hang_monitor.h"
 #include "cef/libcef/browser/image_impl.h"
 #include "cef/libcef/browser/navigation_entry_impl.h"
@@ -128,7 +128,7 @@ CefRefPtr<CefBrowserHostBase> CefBrowserHostBase::GetBrowserForContents(
   // Try the owner WebContents if |contents| originates from an excluded view
   // such as the PDF viewer or Print Preview. This is safe to call even if Alloy
   // extensions are disabled.
-  if (auto* owner_contents = extensions::GetOwnerForGuestContents(contents)) {
+  if (auto* owner_contents = GetOwnerForGuestContents(contents)) {
     return WebContentsUserDataAdapter::Get(owner_contents);
   }
 
diff --git a/libcef/browser/browser_info_manager.cc b/libcef/browser/browser_info_manager.cc
index 7d63fdfdd..cf26dc9c6 100644
--- a/libcef/browser/browser_info_manager.cc
+++ b/libcef/browser/browser_info_manager.cc
@@ -9,9 +9,9 @@
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/task/sequenced_task_runner.h"
+#include "cef/libcef/browser/browser_guest_util.h"
 #include "cef/libcef/browser/browser_host_base.h"
 #include "cef/libcef/browser/browser_platform_delegate.h"
-#include "cef/libcef/browser/extensions/browser_extensions_util.h"
 #include "cef/libcef/browser/thread_util.h"
 #include "cef/libcef/common/cef_switches.h"
 #include "cef/libcef/common/frame_util.h"
@@ -492,10 +492,8 @@ CefRefPtr<CefFrameHostImpl> CefBrowserInfoManager::GetFrameHost(
 
   const bool is_pdf_process = rfh->GetProcess()->IsPdf();
   auto* web_contents = content::WebContents::FromRenderFrameHost(rfh);
-  const bool is_browser_process_guest =
-      extensions::IsBrowserPluginGuest(web_contents);
-  const bool is_print_preview_dialog =
-      extensions::IsPrintPreviewDialog(web_contents);
+  const bool is_browser_process_guest = IsBrowserPluginGuest(web_contents);
+  const bool is_print_preview_dialog = IsPrintPreviewDialog(web_contents);
 
   bool excluded =
       is_pdf_process || is_browser_process_guest || is_print_preview_dialog;
@@ -504,7 +502,7 @@ CefRefPtr<CefFrameHostImpl> CefBrowserInfoManager::GetFrameHost(
 
   // A BrowserHost may match an excluded RFH type. Some associations are
   // registered directly via CefBrowserInfo::MaybeCreateFrame and some are
-  // discovered indirectly via extensions::GetOwnerForGuestContents.
+  // discovered indirectly via GetOwnerForGuestContents.
   auto browser = CefBrowserHostBase::GetBrowserForHost(rfh);
   if (browser && !excluded) {
     frame = browser->browser_info()->GetFrameForHost(rfh, prefer_speculative);
@@ -544,13 +542,11 @@ bool CefBrowserInfoManager::IsExcludedFrameHost(content::RenderFrameHost* rfh) {
   }
 
   auto* web_contents = content::WebContents::FromRenderFrameHost(rfh);
-  const bool is_browser_process_guest =
-      extensions::IsBrowserPluginGuest(web_contents);
+  const bool is_browser_process_guest = IsBrowserPluginGuest(web_contents);
   if (is_browser_process_guest) {
     return true;
   }
-  const bool is_print_preview_dialog =
-      extensions::IsPrintPreviewDialog(web_contents);
+  const bool is_print_preview_dialog = IsPrintPreviewDialog(web_contents);
   if (is_print_preview_dialog) {
     return true;
   }
@@ -777,8 +773,8 @@ void CefBrowserInfoManager::TimeoutNewBrowserInfoResponse(
     // - When the PDF renderer is loaded in the print preview dialog. There will
     //   be no RFH in this case.
     // Any additional cases should be debugged and, if possible,
-    // extensions::GetOwnerForGuestContents should be improved to find the
-    // associated CefBrowserHost.
+    // GetOwnerForGuestContents should be improved to find the associated
+    // CefBrowserHost.
     const bool has_rfh =
         !!content::RenderFrameHost::FromFrameToken(global_token);
 
diff --git a/libcef/browser/javascript_dialog_manager.cc b/libcef/browser/javascript_dialog_manager.cc
index afe6b822f..a223f6668 100644
--- a/libcef/browser/javascript_dialog_manager.cc
+++ b/libcef/browser/javascript_dialog_manager.cc
@@ -10,8 +10,8 @@
 #include "base/functional/bind.h"
 #include "base/functional/callback_helpers.h"
 #include "base/logging.h"
+#include "cef/libcef/browser/browser_guest_util.h"
 #include "cef/libcef/browser/browser_host_base.h"
-#include "cef/libcef/browser/extensions/browser_extensions_util.h"
 #include "cef/libcef/browser/thread_util.h"
 #include "components/javascript_dialogs/tab_modal_dialog_manager.h"
 
@@ -71,8 +71,7 @@ javascript_dialogs::TabModalDialogManager* GetTabModalDialogManager(
   // Try the owner WebContents if the dialog originates from an excluded view
   // such as the PDF viewer or Print Preview. This is safe to call even if Alloy
   // extensions are disabled.
-  if (auto* owner_contents =
-          extensions::GetOwnerForGuestContents(web_contents)) {
+  if (auto* owner_contents = GetOwnerForGuestContents(web_contents)) {
     return javascript_dialogs::TabModalDialogManager::FromWebContents(
         owner_contents);
   }