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

content/renderer/render_widget.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/renderer/render_widget.h"
 
 #include <memory>
 #include <utility>
 
 #include "base/auto_reset.h"
@@ skipping 59 matching lines @@
 #include "third_party/WebKit/public/platform/WebCursorInfo.h"
 #include "third_party/WebKit/public/platform/WebDragData.h"
 #include "third_party/WebKit/public/platform/WebDragOperation.h"
 #include "third_party/WebKit/public/platform/WebMouseEvent.h"
 #include "third_party/WebKit/public/platform/WebPoint.h"
 #include "third_party/WebKit/public/platform/WebRect.h"
 #include "third_party/WebKit/public/platform/WebSize.h"
 #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"
 #include "third_party/WebKit/public/web/WebLocalFrame.h"
 #include "third_party/WebKit/public/web/WebNode.h"
 #include "third_party/WebKit/public/web/WebPagePopup.h"
 #include "third_party/WebKit/public/web/WebPopupMenuInfo.h"
 #include "third_party/WebKit/public/web/WebRange.h"
 #include "third_party/WebKit/public/web/WebRuntimeFeatures.h"
 #include "third_party/WebKit/public/web/WebView.h"
@@ skipping 884 matching lines @@
 std::unique_ptr<cc::SwapPromise> RenderWidget::RequestCopyOfOutputForLayoutTest(
     std::unique_ptr<cc::CopyOutputRequest> request) {
   return RenderThreadImpl::current()->RequestCopyOfOutputForLayoutTest(
       routing_id_, std::move(request));
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 // 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 {
   if (owner_delegate_)
     return owner_delegate_->DoesRenderWidgetHaveTouchEventHandlersAt(point);
 
   return true;
 }
 
 void RenderWidget::ObserveGestureEventAndResult(
@@ skipping 802 matching lines @@
   // mouse button or the finger and a text input element is focused at that
   // time. Focus event itself shouldn't trigger virtual keyboard.
   UpdateTextInputState();
 #else
   ShowVirtualKeyboard();
 #endif
 
 // TODO(rouslan): Fix ChromeOS and Windows 8 behavior of autofill popup with
 // virtual keyboard.
 #if !defined(OS_ANDROID)
   FocusChangeComplete();

[EhsanK, 2017/04/20 14:17:44]

This is yet another case where we come from blink to content to call autofill.
But this is also nontrivial given the platform dependent code.

 #endif
 }
 
 ui::TextInputType RenderWidget::GetTextInputType() {
 #if BUILDFLAG(ENABLE_PLUGINS)
   if (focused_pepper_plugin_)
     return focused_pepper_plugin_->text_input_type();
 #endif
   if (auto* controller = GetInputMethodController())
     return ConvertWebTextInputType(controller->TextInputType());
@@ skipping 495 matching lines @@
     // browser side (https://crbug.com/669219).
     // If there is no WebFrameWidget, then there will be no
     // InputMethodControllers for a WebLocalFrame.
     return nullptr;
   }
   return static_cast<blink::WebFrameWidget*>(GetWebWidget())
       ->GetActiveWebInputMethodController();
 }
 
 }  // namespace content