[refactor] Fix autofill features for payments when the form is inside an OOPIF

content/renderer/render_widget.cc

Index: content/renderer/render_widget.cc
diff --git a/content/renderer/render_widget.cc b/content/renderer/render_widget.cc
index 704fc23d15a1c551708da377c9ff3ec74fa9ecad..b2a13c0bb0704ce297b6d80cf630699e6e051820 100644
--- a/content/renderer/render_widget.cc
+++ b/content/renderer/render_widget.cc
@@ -77,6 +77,7 @@
 #include "third_party/WebKit/public/platform/WebString.h"
 #include "third_party/WebKit/public/platform/scheduler/renderer/render_widget_scheduling_state.h"
 #include "third_party/WebKit/public/platform/scheduler/renderer/renderer_scheduler.h"
+#include "third_party/WebKit/public/web/WebAutofillClient.h"
 #include "third_party/WebKit/public/web/WebDeviceEmulationParams.h"
 #include "third_party/WebKit/public/web/WebFrameWidget.h"
 #include "third_party/WebKit/public/web/WebInputMethodController.h"
@@ -981,8 +982,15 @@ std::unique_ptr<cc::SwapPromise> RenderWidget::RequestCopyOfOutputForLayoutTest(
 // RenderWidgetInputHandlerDelegate
 
 void RenderWidget::FocusChangeComplete() {
-  if (owner_delegate_)
-    owner_delegate_->RenderWidgetFocusChangeComplete();
+  if (!GetWebWidget()->IsWebFrameWidget())
+    return;
+  blink::WebLocalFrame* focused =
+      static_cast<blink::WebFrameWidget*>(GetWebWidget())
+          ->LocalRoot()
+          ->View()
+          ->FocusedFrame();
+  if (focused && focused->AutofillClient())
+    focused->AutofillClient()->DidCompleteFocusChangeInFrame();
 }
 
 bool RenderWidget::HasTouchEventHandlersAt(const gfx::Point& point) const {