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

gin/v8_isolate_memory_dump_provider.cc

 // Copyright 2015 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.
 
 #include "gin/v8_isolate_memory_dump_provider.h"
 
 #include "base/strings/stringprintf.h"
 #include "base/thread_task_runner_handle.h"
 #include "base/trace_event/memory_dump_manager.h"
 #include "base/trace_event/process_memory_dump.h"
@@ skipping 86 matching lines @@
   other_dump->AddScalar(
       "allocated_objects_size",
       base::trace_event::MemoryAllocatorDump::kUnitsBytes,
       heap_statistics.used_heap_size() - known_spaces_used_size);
 
   other_dump->AddScalar("virtual_size",
                         base::trace_event::MemoryAllocatorDump::kUnitsBytes,
                         heap_statistics.total_heap_size() - known_spaces_size);
 
   // If light dump is requested, then object statistics are not dumped
-  if (args.level_of_detail ==
-      base::trace_event::MemoryDumpArgs::LevelOfDetail::LOW)
+  if (args.level_of_detail == base::trace_event::MemoryDumpLevelOfDetail::LIGHT)
     return;
 
   // Dump statistics of the heap's live objects from last GC.
   // TODO(primiano): these should not be tracked in the same trace event as they
   // report stats for the last GC (not the current state). See crbug.com/498779.
   std::string object_name_prefix = dump_base_name + "/heap_objects_at_last_gc";
   bool did_dump_object_stats = false;
   const size_t object_types =
       isolate_holder_->isolate()->NumberOfTrackedHeapObjectTypes();
   for (size_t type_index = 0; type_index < object_types; type_index++) {
@@ skipping 29 matching lines @@
   }
 
   if (did_dump_object_stats) {
     process_memory_dump->AddOwnershipEdge(
         process_memory_dump->CreateAllocatorDump(object_name_prefix)->guid(),
         process_memory_dump->CreateAllocatorDump(space_name_prefix)->guid());
   }
 }
 
 }  // namespace gin