Bug 1196925 - Remove the non-existing relocatable store buffer counts from about:memory; r=njn

js/public/MemoryMetrics.h

@@ -283,8 +283,6 @@ struct GCSizes
     macro(_, MallocHeap, storeBufferCells) \
     macro(_, MallocHeap, storeBufferSlots) \
     macro(_, MallocHeap, storeBufferWholeCells) \
-    macro(_, MallocHeap, storeBufferRelocVals) \
-    macro(_, MallocHeap, storeBufferRelocCells) \
     macro(_, MallocHeap, storeBufferGenerics)
 
     GCSizes()

js/xpconnect/src/XPCJSRuntime.cpp

@@ -2507,14 +2507,6 @@ ReportJSRuntimeExplicitTreeStats(const JS::RuntimeStats& rtStats,
         KIND_HEAP, rtStats.runtime.gc.storeBufferWholeCells,
         "Whole cells in the store buffer.");
 
-    RREPORT_BYTES(rtPath + NS_LITERAL_CSTRING("runtime/gc/store-buffer/reloc-vals"),
-        KIND_HEAP, rtStats.runtime.gc.storeBufferRelocVals,
-        "Relocatable values in the store buffer.");
-
-    RREPORT_BYTES(rtPath + NS_LITERAL_CSTRING("runtime/gc/store-buffer/reloc-cells"),
-        KIND_HEAP, rtStats.runtime.gc.storeBufferRelocCells,
-        "Relocatable cells in the store buffer.");
-
     RREPORT_BYTES(rtPath + NS_LITERAL_CSTRING("runtime/gc/store-buffer/generics"),
         KIND_HEAP, rtStats.runtime.gc.storeBufferGenerics,
         "Generic things in the store buffer.");