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

base/trace_event/memory_dump_manager.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 "base/trace_event/memory_dump_manager.h"
 
 #include <algorithm>
 
 #include "base/atomic_sequence_num.h"
 #include "base/command_line.h"
@@ skipping 298 matching lines @@
   }  // AutoLock(lock_)
 
   // Invoke the dump provider without holding the |lock_|.
   bool finalize = false;
   bool dump_successful = false;
 
   // TODO(ssid): Change RequestGlobalDump to use MemoryDumpArgs along with
   // MemoryDumpType to get request for light / heavy dump, and remove this
   // constant.
   if (!skip_dump) {
-    MemoryDumpArgs dump_args = {MemoryDumpArgs::LEVEL_OF_DETAIL_HIGH};
+    MemoryDumpArgs dump_args = {MemoryDumpArgs::LevelOfDetail::HIGH};
     dump_successful =
         mdp->OnMemoryDump(dump_args, &pmd_async_state->process_memory_dump);
   }
 
   {
     AutoLock lock(lock_);
     if (did_unregister_dump_provider_) {
       return AbortDumpLocked(pmd_async_state->callback,
                              pmd_async_state->task_runner,
                              pmd_async_state->req_args.dump_guid);
@@ skipping 152 matching lines @@
       next_dump_provider(next_dump_provider),
       callback(callback),
       task_runner(MessageLoop::current()->task_runner()) {
 }
 
 MemoryDumpManager::ProcessMemoryDumpAsyncState::~ProcessMemoryDumpAsyncState() {
 }
 
 }  // namespace trace_event
 }  // namespace base