[tracing] Mechanical rename of LevelOfDetail enum to enum class.

gin/v8_isolate_memory_dump_provider_unittest.cc

Index: gin/v8_isolate_memory_dump_provider_unittest.cc
diff --git a/gin/v8_isolate_memory_dump_provider_unittest.cc b/gin/v8_isolate_memory_dump_provider_unittest.cc
index 46d512bd8925b20835b1c80a2080c1e63e60779c..ed2ee6b143b1623d10e27abed763356ec49ee45e 100644
--- a/gin/v8_isolate_memory_dump_provider_unittest.cc
+++ b/gin/v8_isolate_memory_dump_provider_unittest.cc
@@ -24,7 +24,7 @@ TEST_F(V8MemoryDumpProviderTest, DumpStatistics) {
   scoped_ptr<base::trace_event::ProcessMemoryDump> process_memory_dump(
       new base::trace_event::ProcessMemoryDump(nullptr));
   base::trace_event::MemoryDumpArgs dump_args = {
-      base::trace_event::MemoryDumpArgs::LEVEL_OF_DETAIL_HIGH};
+      base::trace_event::MemoryDumpArgs::LevelOfDetail::HIGH};
   instance_->isolate_memory_dump_provider_for_testing()->OnMemoryDump(
       dump_args, process_memory_dump.get());
   const base::trace_event::ProcessMemoryDump::AllocatorDumpsMap&