Revert of memory-infra: Fill the memory dump callback result (2/2)

base/trace_event/memory_dump_manager.cc

Index: base/trace_event/memory_dump_manager.cc
diff --git a/base/trace_event/memory_dump_manager.cc b/base/trace_event/memory_dump_manager.cc
index d957577e7854a0da5fb014cd08d95cce23c748df..d1025c1215a68ef8127f70ca7de1e362c6667cc0 100644
--- a/base/trace_event/memory_dump_manager.cc
+++ b/base/trace_event/memory_dump_manager.cc
@@ -92,15 +92,6 @@
   }
 }
 
-void FillOsDumpFromProcessMemoryDump(
-    const ProcessMemoryDump* pmd,
-    MemoryDumpCallbackResult::OSMemDump* osDump) {
-  if (pmd->has_process_totals()) {
-    const ProcessMemoryTotals* totals = pmd->process_totals();
-    osDump->resident_set_kb = totals->resident_set_bytes() / 1024;
-  }
-}
-
 // Proxy class which wraps a ConvertableToTraceFormat owned by the
 // |session_state| into a proxy object that can be added to the trace event log.
 // This is to solve the problem that the MemoryDumpSessionState is refcounted
@@ -807,10 +798,6 @@
           GetDumpsSumKb("partition_alloc/partitions/*", process_memory_dump);
       result.chrome_dump.blink_gc_total_kb =
           GetDumpsSumKb("blink_gc", process_memory_dump);
-      FillOsDumpFromProcessMemoryDump(process_memory_dump, &result.os_dump);
-    } else {
-      auto& os_dump = result.extra_processes_dump[pid];
-      FillOsDumpFromProcessMemoryDump(process_memory_dump, &os_dump);
     }
   }