s/\bArc\b/ARC/g for ARC related code.

chrome/browser/metrics/perf/perf_provider_chromeos.cc

 // Copyright (c) 2012 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 "chrome/browser/metrics/perf/perf_provider_chromeos.h"
 
 #include <stddef.h>
 #include <algorithm>
 #include <map>
 #include <string>
@@ skipping 156 matching lines @@
 const std::vector<RandomSelector::WeightAndValue> GetDefaultCommands_x86_64(
     const CPUIdentity& cpuid) {
   using WeightAndValue = RandomSelector::WeightAndValue;
   std::vector<WeightAndValue> cmds;
   DCHECK_EQ(cpuid.arch, "x86_64");
   const std::string intel_uarch = GetIntelUarch(cpuid);
   // Haswell and newer big Intel cores support LBR callstack profiling. This
   // requires kernel support, which was added in kernel 4.4, and it was
   // backported to kernel 3.18. Prefer LBR callstack profiling where supported
   // instead of FP callchains, because the former works with binaries compiled
-  // with frame pointers disabled, such as the ARC++ runtime.
+  // with frame pointers disabled, such as the ARC runtime.
   const char *callgraph_cmd = kPerfRecordFPCallgraphCmd;
   if (MicroarchitectureHasLBRCallgraph(intel_uarch) &&
       KernelReleaseHasLBRCallgraph(cpuid.release)) {
     callgraph_cmd = kPerfRecordLBRCallgraphCmd;
   }
 
   if (intel_uarch == "IvyBridge" ||
       intel_uarch == "Haswell" ||
       intel_uarch == "Broadwell") {
     cmds.push_back(WeightAndValue(50.0, kPerfRecordCyclesCmd));
@@ skipping 557 matching lines @@
   std::unique_ptr<SampledProfile> sampled_profile(new SampledProfile);
   sampled_profile->set_trigger_event(SampledProfile::RESTORE_SESSION);
   sampled_profile->set_ms_after_restore(time_after_restore.InMilliseconds());
   sampled_profile->set_num_tabs_restored(num_tabs_restored);
 
   CollectIfNecessary(std::move(sampled_profile));
   last_session_restore_collection_time_ = base::TimeTicks::Now();
 }
 
 }  // namespace metrics