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

base/trace_event/process_memory_totals_dump_provider_unittest.cc

Index: base/trace_event/process_memory_totals_dump_provider_unittest.cc
diff --git a/base/trace_event/process_memory_totals_dump_provider_unittest.cc b/base/trace_event/process_memory_totals_dump_provider_unittest.cc
index 015cb2d0afb626918774605f16a85ff60697cc12..4ec37f57653f85a8746fb24128c97d0caad2a14f 100644
--- a/base/trace_event/process_memory_totals_dump_provider_unittest.cc
+++ b/base/trace_event/process_memory_totals_dump_provider_unittest.cc
@@ -12,7 +12,7 @@ namespace base {
 namespace trace_event {
 
 TEST(ProcessMemoryTotalsDumpProviderTest, DumpRSS) {
-  const MemoryDumpArgs high_detail_args = {MemoryDumpArgs::LevelOfDetail::HIGH};
+  const MemoryDumpArgs high_detail_args = {MemoryDumpLevelOfDetail::DETAILED};
   auto pmtdp = ProcessMemoryTotalsDumpProvider::GetInstance();
   scoped_ptr<ProcessMemoryDump> pmd_before(new ProcessMemoryDump(nullptr));
   scoped_ptr<ProcessMemoryDump> pmd_after(new ProcessMemoryDump(nullptr));