Propagate inert state to OOPIFs when a modal dialog is active

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 ce810c1bcf38dcc16975d046ca1ee559b01eaf69..58ab903f486cc7592013987153e4e4e57702274d 100644
--- a/content/renderer/render_widget.cc
+++ b/content/renderer/render_widget.cc
@@ -629,6 +629,7 @@ bool RenderWidget::OnMessageReceived(const IPC::Message& message) {
     IPC_MESSAGE_HANDLER(ViewMsg_UpdateScreenRects, OnUpdateScreenRects)
     IPC_MESSAGE_HANDLER(ViewMsg_SetViewportIntersection,
                         OnSetViewportIntersection)
+    IPC_MESSAGE_HANDLER(ViewMsg_SetIsInert, OnSetIsInert)
     IPC_MESSAGE_HANDLER(ViewMsg_WaitForNextFrameForTests,
                         OnWaitNextFrameForTests)
     IPC_MESSAGE_HANDLER(InputMsg_RequestCompositionUpdates,
@@ -1739,6 +1740,13 @@ void RenderWidget::OnSetViewportIntersection(
   }
 }
 
+void RenderWidget::OnSetIsInert(bool inert) {
+  if (GetWebWidget() && GetWebWidget()->IsWebFrameWidget()) {
+    DCHECK(popup_type_ == WebPopupType::kWebPopupTypeNone);
+    static_cast<WebFrameWidget*>(GetWebWidget())->SetIsInert(inert);
+  }
+}
+
 void RenderWidget::OnDragTargetDragEnter(
     const std::vector<DropData::Metadata>& drop_meta_data,
     const gfx::Point& client_point,