[tracing] Non-functional refactor of memory dump arg names

base/trace_event/process_memory_maps_dump_provider.cc

Index: base/trace_event/process_memory_maps_dump_provider.cc
diff --git a/base/trace_event/process_memory_maps_dump_provider.cc b/base/trace_event/process_memory_maps_dump_provider.cc
index 2dcdd37bd93077b111459e1fd486a2e79007717e..38b2573e6b6b3a7ccbf232780d915415b500f940 100644
--- a/base/trace_event/process_memory_maps_dump_provider.cc
+++ b/base/trace_event/process_memory_maps_dump_provider.cc
@@ -168,7 +168,7 @@ ProcessMemoryMapsDumpProvider::~ProcessMemoryMapsDumpProvider() {
 bool ProcessMemoryMapsDumpProvider::OnMemoryDump(const MemoryDumpArgs& args,
                                                  ProcessMemoryDump* pmd) {
   // Snapshot of memory maps is not taken for light dump requests.
-  if (args.level_of_detail == MemoryDumpArgs::LevelOfDetail::LOW)
+  if (args.level_of_detail == MemoryDumpLevelOfDetail::LIGHT)
     return true;
 
   uint32 res = 0;