components: Use stl utilities from the base namespace

components/metrics/profiler/profiler_metrics_provider.cc

 // Copyright 2014 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 "components/metrics/profiler/profiler_metrics_provider.h"
 
 #include <ctype.h>
 #include <stddef.h>
 #include <string>
 #include <vector>
@@ skipping 89 matching lines @@
     ProfilerEventProto::TrackedObject::ProcessType process_type,
     int profiling_phase,
     base::TimeDelta phase_start,
     base::TimeDelta phase_finish,
     const ProfilerEvents& past_events) {
   // Omit profiler data on connections where it's likely to cost the user money
   // for us to upload it.
   if (IsCellularLogicEnabled())
     return;
 
-  const bool new_phase = !ContainsKey(profiler_events_cache_, profiling_phase);
+  const bool new_phase =
+      !base::ContainsKey(profiler_events_cache_, profiling_phase);
   ProfilerEventProto* profiler_event = &profiler_events_cache_[profiling_phase];
 
   if (new_phase) {
     profiler_event->set_profile_version(
         ProfilerEventProto::VERSION_SPLIT_PROFILE);
     profiler_event->set_time_source(ProfilerEventProto::WALL_CLOCK_TIME);
     profiler_event->set_profiling_start_ms(phase_start.InMilliseconds());
     profiler_event->set_profiling_finish_ms(phase_finish.InMilliseconds());
     for (const auto& event : past_events) {
       profiler_event->add_past_session_event(event);
     }
   }
 
   WriteProfilerData(process_data_phase, process_id, process_type,
                     profiler_event);
 }
 
 bool ProfilerMetricsProvider::IsCellularLogicEnabled() {
   if (cellular_callback_.is_null())
     return false;
 
   return cellular_callback_.Run();
 }
 
 }  // namespace metrics