2 files changed, 14 insertions, 17 deletions
diff --git a/ipc/chromium/src/base/hash_tables.h b/ipc/chromium/src/base/hash_tables.h
index 956cadb3d..9e8d6b110 100644
--- a/ipc/chromium/src/base/hash_tables.h
+++ b/ipc/chromium/src/base/hash_tables.h
@@ -31,18 +31,14 @@
 #ifdef __GNUC__
 #  pragma GCC diagnostic push
 #  pragma GCC diagnostic ignored "-Wshadow"
-#  if MOZ_GCC_VERSION_AT_LEAST(4, 9, 0)
-#    pragma GCC diagnostic ignored "-Wshadow-local"
-#  endif
+#  pragma GCC diagnostic ignored "-Wshadow-local"
 #endif
 
 #include <hash_map>
 #include <hash_set>
 
 #ifdef __GNUC__
-#  if MOZ_GCC_VERSION_AT_LEAST(4, 9, 0)
-#    pragma GCC diagnostic pop // -Wshadow-local
-#  endif
+#  pragma GCC diagnostic pop // -Wshadow-local
 #  pragma GCC diagnostic pop // -Wshadow
 #endif
 
diff --git a/ipc/glue/IPCMessageUtils.h b/ipc/glue/IPCMessageUtils.h
index 15834a854..c6f8eda6d 100644
--- a/ipc/glue/IPCMessageUtils.h
+++ b/ipc/glue/IPCMessageUtils.h
@@ -63,15 +63,18 @@ struct null_t {
 
 struct SerializedStructuredCloneBuffer final
 {
+  SerializedStructuredCloneBuffer()
+   : data(JS::StructuredCloneScope::Unassigned)
+  {
+  }
+
+
   SerializedStructuredCloneBuffer&
   operator=(const SerializedStructuredCloneBuffer& aOther)
   {
     data.Clear();
-    auto iter = aOther.data.Iter();
-    while (!iter.Done()) {
-      data.WriteBytes(iter.Data(), iter.RemainingInSegment());
-      iter.Advance(aOther.data, iter.RemainingInSegment());
-    }
+    data.initScope(aOther.data.scope());
+    data.Append(aOther.data);
     return *this;
   }
 
@@ -712,11 +715,9 @@ struct ParamTraits<JSStructuredCloneData>
   {
     MOZ_ASSERT(!(aParam.Size() % sizeof(uint64_t)));
     WriteParam(aMsg, aParam.Size());
-    auto iter = aParam.Iter();
-    while (!iter.Done()) {
-      aMsg->WriteBytes(iter.Data(), iter.RemainingInSegment(), sizeof(uint64_t));
-      iter.Advance(aParam, iter.RemainingInSegment());
-    }
+    aParam.ForEachDataChunk([&](const char* aData, size_t aSize) {
+        return aMsg->WriteBytes(aData, aSize, sizeof(uint64_t));
+    });
   }
 
   static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
@@ -746,7 +747,7 @@ struct ParamTraits<JSStructuredCloneData>
       return false;
     }
 
-    *aResult = JSStructuredCloneData(Move(out));
+    *aResult = JSStructuredCloneData(Move(out), JS::StructuredCloneScope::DifferentProcess);
 
     return true;
   }