Reland of [Memory UMA] Return the extra_processes_dump map as part of the ResponseCallback

services/resource_coordinator/public/cpp/memory/memory_instrumentation_struct_traits.h

 // Copyright 2017 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef SERVICES_RESOURCE_COORDINATOR_PUBLIC_CPP_MEMORY_MEMORY_INSTRUMENTATION_STRUCT_TRAITS_H_
 #define SERVICES_RESOURCE_COORDINATOR_PUBLIC_CPP_MEMORY_MEMORY_INSTRUMENTATION_STRUCT_TRAITS_H_
 
+#include "base/process/process_handle.h"
 #include "base/trace_event/memory_dump_request_args.h"
+#include "mojo/common/common_custom_types_struct_traits.h"
 #include "services/resource_coordinator/public/interfaces/memory/memory_instrumentation.mojom.h"
 
 namespace mojo {
 
 template <>
 struct EnumTraits<memory_instrumentation::mojom::DumpType,
                   base::trace_event::MemoryDumpType> {
   static memory_instrumentation::mojom::DumpType ToMojom(
       base::trace_event::MemoryDumpType type);
   static bool FromMojom(memory_instrumentation::mojom::DumpType input,
@@ skipping 69 matching lines @@
     memory_instrumentation::mojom::MemoryDumpCallbackResultDataView,
     base::trace_event::MemoryDumpCallbackResult> {
   static base::trace_event::MemoryDumpCallbackResult::OSMemDump os_dump(
       const base::trace_event::MemoryDumpCallbackResult& args) {
     return args.os_dump;
   }
   static base::trace_event::MemoryDumpCallbackResult::ChromeMemDump chrome_dump(
       const base::trace_event::MemoryDumpCallbackResult& args) {
     return args.chrome_dump;
   }
+  static const std::map<base::ProcessId,
+                        base::trace_event::MemoryDumpCallbackResult::OSMemDump>&
+  extra_processes_dump(
+      const base::trace_event::MemoryDumpCallbackResult& args) {
+    return args.extra_processes_dump;
+  }
   static bool Read(
       memory_instrumentation::mojom::MemoryDumpCallbackResultDataView input,
       base::trace_event::MemoryDumpCallbackResult* out);
 };
 
 }  // namespace mojo
 
 #endif  // SERVICES_RESOURCE_COORDINATOR_PUBLIC_CPP_MEMORY_MEMORY_INSTRUMENTATION_STRUCT_TRAITS_H_