1 files changed, 13 insertions, 12 deletions
diff --git a/gfx/layers/ipc/SharedSurfacesMemoryReport.h b/gfx/layers/ipc/SharedSurfacesMemoryReport.h
index 81baf1349f..31e27bccad 100644
--- a/gfx/layers/ipc/SharedSurfacesMemoryReport.h
+++ b/gfx/layers/ipc/SharedSurfacesMemoryReport.h
@@ -12,6 +12,7 @@
 #include "base/process.h"
 #include "ipc/IPCMessageUtils.h"
 #include "ipc/IPCMessageUtilsSpecializations.h"
+#include "mozilla/dom/WebGLIpdl.h"
 #include "mozilla/gfx/Point.h"  // for IntSize
 
 namespace mozilla {
@@ -26,8 +27,16 @@ class SharedSurfacesMemoryReport final {
     int32_t mStride;
     uint32_t mConsumers;
     bool mCreatorRef;
+    PaddingField<bool, 3> _padding;
+
+    auto MutTiedFields() {
+      return std::tie(mCreatorPid, mSize, mStride, mConsumers, mCreatorRef,
+                      _padding);
+    }
   };
 
+  auto MutTiedFields() { return std::tie(mSurfaces); }
+
   std::unordered_map<uint64_t, SurfaceEntry> mSurfaces;
 };
 
@@ -37,21 +46,13 @@ class SharedSurfacesMemoryReport final {
 namespace IPC {
 
 template <>
-struct ParamTraits<mozilla::layers::SharedSurfacesMemoryReport> {
-  typedef mozilla::layers::SharedSurfacesMemoryReport paramType;
-
-  static void Write(MessageWriter* aWriter, const paramType& aParam) {
-    WriteParam(aWriter, aParam.mSurfaces);
-  }
-
-  static bool Read(MessageReader* aReader, paramType* aResult) {
-    return ReadParam(aReader, &aResult->mSurfaces);
-  }
-};
+struct ParamTraits<mozilla::layers::SharedSurfacesMemoryReport>
+    : public ParamTraits_TiedFields<
+          mozilla::layers::SharedSurfacesMemoryReport> {};
 
 template <>
 struct ParamTraits<mozilla::layers::SharedSurfacesMemoryReport::SurfaceEntry>
-    : public PlainOldDataSerializer<
+    : public ParamTraits_TiedFields<
           mozilla::layers::SharedSurfacesMemoryReport::SurfaceEntry> {};
 
 }  // namespace IPC