Propagate inert state to OOPIFs when a modal dialog is active

third_party/WebKit/Source/web/WebFrameWidgetImpl.cpp

 /*
  * Copyright (C) 2014 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 754 matching lines @@
     const WebRect& viewport_intersection) {
   // Remote viewports are only applicable to local frames with remote ancestors.
   DCHECK(local_root_->Parent() && local_root_->Parent()->IsWebRemoteFrame());
 
   if (local_root_->GetFrameView()) {
     local_root_->GetFrameView()->SetViewportIntersectionFromParent(
         viewport_intersection);
   }
 }
 
+void WebFrameWidgetImpl::SetIsInert(bool inert) {
+  DCHECK(local_root_->Parent() && local_root_->Parent()->IsWebRemoteFrame());

[tkent, 2017/06/08 23:53:49]

nit: Split the DCHECK into two so that we can know which one failed.

DCHECK(local_root_->Parent());
DCHECK(local_root_->Parent()->IsWebRemoteFrame());

[kenrb, 2017/06/09 19:26:30]

Done.

+  local_root_->GetFrame()->SetIsInert(inert);
+}
+
 void WebFrameWidgetImpl::HandleMouseLeave(LocalFrame& main_frame,
                                           const WebMouseEvent& event) {
   // FIXME: WebWidget doesn't have the method below.
   // m_client->setMouseOverURL(WebURL());
   PageWidgetEventHandler::HandleMouseLeave(main_frame, event);
 }
 
 void WebFrameWidgetImpl::HandleMouseDown(LocalFrame& main_frame,
                                          const WebMouseEvent& event) {
   WebViewBase* view_impl = View();
@@ skipping 410 matching lines @@
              : nullptr;
 }
 
 LocalFrame* WebFrameWidgetImpl::FocusedLocalFrameAvailableForIme() const {
   if (!ime_accept_events_)
     return nullptr;
   return FocusedLocalFrameInWidget();
 }
 
 }  // namespace blink