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diff --git a/widget/WidgetMessageUtils.h b/widget/WidgetMessageUtils.h
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+++ b/widget/WidgetMessageUtils.h
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+/* 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_WidgetMessageUtils_h
+#define mozilla_WidgetMessageUtils_h
+
+#include "ipc/EnumSerializer.h"
+#include "ipc/IPCMessageUtils.h"
+#include "mozilla/DimensionRequest.h"
+#include "mozilla/GfxMessageUtils.h"
+#include "mozilla/LookAndFeel.h"
+#include "mozilla/widget/ThemeChangeKind.h"
+#include "nsIWidget.h"
+#include "nsStyleConsts.h"
+
+namespace IPC {
+
+template <>
+struct ParamTraits<mozilla::widget::ThemeChangeKind>
+    : public BitFlagsEnumSerializer<mozilla::widget::ThemeChangeKind,
+                                    mozilla::widget::ThemeChangeKind::AllBits> {
+};
+
+template <>
+struct ParamTraits<mozilla::LookAndFeel::IntID>
+    : ContiguousEnumSerializer<mozilla::LookAndFeel::IntID,
+                               mozilla::LookAndFeel::IntID(0),
+                               mozilla::LookAndFeel::IntID::End> {
+  using IdType = std::underlying_type_t<mozilla::LookAndFeel::IntID>;
+};
+
+template <>
+struct ParamTraits<mozilla::LookAndFeel::ColorID>
+    : ContiguousEnumSerializer<mozilla::LookAndFeel::ColorID,
+                               mozilla::LookAndFeel::ColorID(0),
+                               mozilla::LookAndFeel::ColorID::End> {
+  using IdType = std::underlying_type_t<mozilla::LookAndFeel::ColorID>;
+};
+
+template <>
+struct ParamTraits<mozilla::widget::TransparencyMode>
+    : ContiguousEnumSerializerInclusive<
+          mozilla::widget::TransparencyMode,
+          mozilla::widget::TransparencyMode::Opaque,
+          mozilla::widget::TransparencyMode::BorderlessGlass> {};
+
+template <>
+struct ParamTraits<nsCursor>
+    : ContiguousEnumSerializer<nsCursor, eCursor_standard, eCursorCount> {};
+
+template <>
+struct ParamTraits<nsIWidget::TouchpadGesturePhase>
+    : ContiguousEnumSerializerInclusive<
+          nsIWidget::TouchpadGesturePhase,
+          nsIWidget::TouchpadGesturePhase::PHASE_BEGIN,
+          nsIWidget::TouchpadGesturePhase::PHASE_END> {};
+
+template <>
+struct ParamTraits<nsIWidget::TouchPointerState>
+    : public BitFlagsEnumSerializer<nsIWidget::TouchPointerState,
+                                    nsIWidget::TouchPointerState::ALL_BITS> {};
+
+template <>
+struct ParamTraits<mozilla::DimensionKind>
+    : public ContiguousEnumSerializerInclusive<mozilla::DimensionKind,
+                                               mozilla::DimensionKind::Inner,
+                                               mozilla::DimensionKind::Outer> {
+};
+
+DEFINE_IPC_SERIALIZER_WITH_FIELDS(mozilla::DimensionRequest, mDimensionKind, mX,
+                                  mY, mWidth, mHeight);
+
+}  // namespace IPC
+
+#endif  // WidgetMessageUtils_h