Bug 1556351 - Part 1: Add HTMLElement sizeof assertion; r=smaug

Differential Revision: https://phabricator.services.mozilla.com/D124784

dom/base/Element.cpp

@@ -80,6 +80,7 @@
 #include "mozilla/dom/FromParser.h"
 #include "mozilla/dom/Grid.h"
 #include "mozilla/dom/HTMLDivElement.h"
+#include "mozilla/dom/HTMLElement.h"
 #include "mozilla/dom/HTMLParagraphElement.h"
 #include "mozilla/dom/HTMLPreElement.h"
 #include "mozilla/dom/HTMLSpanElement.h"
@@ -223,6 +224,7 @@ namespace mozilla::dom {
 // bucket sizes.
 ASSERT_NODE_SIZE(Element, 128, 80);
 ASSERT_NODE_SIZE(HTMLDivElement, 128, 80);
+ASSERT_NODE_SIZE(HTMLElement, 128, 80);
 ASSERT_NODE_SIZE(HTMLParagraphElement, 128, 80);
 ASSERT_NODE_SIZE(HTMLPreElement, 128, 80);
 ASSERT_NODE_SIZE(HTMLSpanElement, 128, 80);

dom/html/HTMLElement.cpp

@@ -4,24 +4,12 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
-#include "nsGenericHTMLElement.h"
+#include "mozilla/dom/HTMLElement.h"
 #include "mozilla/dom/HTMLElementBinding.h"
 #include "nsContentUtils.h"
 
 namespace mozilla::dom {
 
-class HTMLElement final : public nsGenericHTMLElement {
- public:
-  explicit HTMLElement(already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo);
-  virtual ~HTMLElement();
-
-  nsresult Clone(dom::NodeInfo*, nsINode** aResult) const override;
-
- protected:
-  JSObject* WrapNode(JSContext* aCx,
-                     JS::Handle<JSObject*> aGivenProto) override;
-};
-
 HTMLElement::HTMLElement(already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo)
     : nsGenericHTMLElement(std::move(aNodeInfo)) {
   if (NodeInfo()->Equals(nsGkAtoms::bdi)) {
@@ -29,8 +17,6 @@ HTMLElement::HTMLElement(already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo)
   }
 }
 
-HTMLElement::~HTMLElement() = default;
-
 NS_IMPL_ELEMENT_CLONE(HTMLElement)
 
 JSObject* HTMLElement::WrapNode(JSContext* aCx,

dom/html/HTMLElement.h

@@ -0,0 +1,28 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_dom_HTMLElement_h
+#define mozilla_dom_HTMLElement_h
+
+#include "nsGenericHTMLElement.h"
+
+namespace mozilla::dom {
+
+class HTMLElement final : public nsGenericHTMLElement {
+ public:
+  explicit HTMLElement(already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo);
+  virtual ~HTMLElement() = default;
+
+  nsresult Clone(dom::NodeInfo*, nsINode** aResult) const override;
+
+ protected:
+  JSObject* WrapNode(JSContext* aCx,
+                     JS::Handle<JSObject*> aGivenProto) override;
+};
+
+}  // namespace mozilla::dom
+
+#endif  // mozilla_dom_HTMLElement_h

dom/html/moz.build

@@ -63,6 +63,7 @@ EXPORTS.mozilla.dom += [
     "HTMLDialogElement.h",
     "HTMLDivElement.h",
     "HTMLDNSPrefetch.h",
+    "HTMLElement.h",
     "HTMLEmbedElement.h",
     "HTMLFieldSetElement.h",
     "HTMLFontElement.h",