Revert of Don't create layout objects for children of display-none iframes.

third_party/WebKit/Source/web/RemoteFrameOwner.h

Index: third_party/WebKit/Source/web/RemoteFrameOwner.h
diff --git a/third_party/WebKit/Source/web/RemoteFrameOwner.h b/third_party/WebKit/Source/web/RemoteFrameOwner.h
index 4ff85e4630a4f9da3738a2c4f9bfb3dfe7fbcb55..4b553fd8e0a7bf78bec9c9691f8a2b3e8479a12c 100644
--- a/third_party/WebKit/Source/web/RemoteFrameOwner.h
+++ b/third_party/WebKit/Source/web/RemoteFrameOwner.h
@@ -47,7 +47,6 @@
   int marginHeight() const override { return m_marginHeight; }
   bool allowFullscreen() const override { return m_allowFullscreen; }
   bool allowPaymentRequest() const override { return m_allowPaymentRequest; }
-  bool isDisplayNone() const override { return m_isDisplayNone; }
   AtomicString csp() const override { return m_csp; }
   const WebVector<mojom::blink::PermissionName>& delegatedPermissions()
       const override {
@@ -66,7 +65,6 @@
   void setAllowPaymentRequest(bool allowPaymentRequest) {
     m_allowPaymentRequest = allowPaymentRequest;
   }
-  void setIsDisplayNone(bool isDisplayNone) { m_isDisplayNone = isDisplayNone; }
   void setCsp(const WebString& csp) { m_csp = csp; }
   void setDelegatedpermissions(
       const WebVector<mojom::blink::PermissionName>& delegatedPermissions) {
@@ -91,7 +89,6 @@
   int m_marginHeight;
   bool m_allowFullscreen;
   bool m_allowPaymentRequest;
-  bool m_isDisplayNone;
   WebString m_csp;
   WebVector<mojom::blink::PermissionName> m_delegatedPermissions;
 };