cef/patch/patches/webkit_popups.patch

diff --git Source/web/ChromeClientImpl.cpp Source/web/ChromeClientImpl.cpp
index 48385f8..a11804b 100644
--- Source/web/ChromeClientImpl.cpp
+++ Source/web/ChromeClientImpl.cpp
@@ -898,7 +898,7 @@ bool ChromeClientImpl::hasOpenedPopup() const {
 PopupMenu* ChromeClientImpl::openPopupMenu(LocalFrame& frame,
                                            HTMLSelectElement& select) {
   notifyPopupOpeningObservers();
-  if (WebViewImpl::useExternalPopupMenus())
+  if (m_webView->useExternalPopupMenus())
     return new ExternalPopupMenu(frame, select, *m_webView);
 
   DCHECK(RuntimeEnabledFeatures::pagePopupEnabled());
diff --git Source/web/WebViewImpl.cpp Source/web/WebViewImpl.cpp
index 5b5fef6..ef4f665 100644
--- Source/web/WebViewImpl.cpp
+++ Source/web/WebViewImpl.cpp
@@ -357,6 +357,7 @@ WebViewImpl::WebViewImpl(WebViewClient* client,
       m_enableFakePageScaleAnimationForTesting(false),
       m_fakePageScaleAnimationPageScaleFactor(0),
       m_fakePageScaleAnimationUseAnchor(false),
+      m_shouldUseExternalPopupMenus(shouldUseExternalPopupMenus),
       m_compositorDeviceScaleFactorOverride(0),
       m_suppressNextKeypressEvent(false),
       m_imeAcceptEvents(true),
@@ -3704,8 +3705,13 @@ void WebViewImpl::mainFrameScrollOffsetChanged() {
   m_devToolsEmulator->mainFrameScrollOrScaleChanged();
 }
 
+void WebViewImpl::setUseExternalPopupMenusThisInstance(
+    bool useExternalPopupMenus) {
+  m_shouldUseExternalPopupMenus = useExternalPopupMenus;
+}
+
 bool WebViewImpl::useExternalPopupMenus() {
-  return shouldUseExternalPopupMenus;
+  return m_shouldUseExternalPopupMenus;
 }
 
 void WebViewImpl::setBackgroundColorOverride(WebColor color) {
diff --git Source/web/WebViewImpl.h Source/web/WebViewImpl.h
index 354e52e..c2058f3 100644
--- Source/web/WebViewImpl.h
+++ Source/web/WebViewImpl.h
@@ -370,7 +370,8 @@ class WEB_EXPORT WebViewImpl final
 
   // Returns true if popup menus should be rendered by the browser, false if
   // they should be rendered by WebKit (which is the default).
-  static bool useExternalPopupMenus();
+  void setUseExternalPopupMenusThisInstance(bool);
+  bool useExternalPopupMenus();
 
   bool shouldAutoResize() const { return m_shouldAutoResize; }
 
@@ -653,6 +654,8 @@ class WEB_EXPORT WebViewImpl final
   float m_fakePageScaleAnimationPageScaleFactor;
   bool m_fakePageScaleAnimationUseAnchor;
 
+  bool m_shouldUseExternalPopupMenus;
+
   float m_compositorDeviceScaleFactorOverride;
   TransformationMatrix m_deviceEmulationTransform;
 
diff --git public/web/WebView.h public/web/WebView.h
index 92bdf07..1a813a9 100644
--- public/web/WebView.h
+++ public/web/WebView.h
@@ -402,6 +402,7 @@ class WebView : protected WebWidget {
 
   // Sets whether select popup menus should be rendered by the browser.
   BLINK_EXPORT static void setUseExternalPopupMenus(bool);
+  virtual void setUseExternalPopupMenusThisInstance(bool) = 0;
 
   // Hides any popup (suggestions, selects...) that might be showing.
   virtual void hidePopups() = 0;