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

chrome/browser/ui/ash/launcher/chrome_launcher_controller_impl.cc

 // Copyright 2013 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/ui/ash/launcher/chrome_launcher_controller_impl.h"
 
 #include <stddef.h>
 
 #include <vector>
 
@@ skipping 761 matching lines @@
 void ChromeLauncherControllerImpl::AttachProfile(Profile* profile_to_attach) {
   // The base class implementation updates the helper and app icon loaders.
   ChromeLauncherController::AttachProfile(profile_to_attach);
 
   pref_change_registrar_.Init(profile()->GetPrefs());
   pref_change_registrar_.Add(
       prefs::kPolicyPinnedLauncherApps,
       base::Bind(&ChromeLauncherControllerImpl::UpdateAppLaunchersFromPref,
                  base::Unretained(this)));
   // Handling of prefs::kArcEnabled change should be called deferred to avoid
-  // race condition when OnAppUninstalledPrepared for Arc apps is called after
+  // race condition when OnAppUninstalledPrepared for ARC apps is called after
   // UpdateAppLaunchersFromPref.
   pref_change_registrar_.Add(
       prefs::kArcEnabled,
       base::Bind(
           &ChromeLauncherControllerImpl::ScheduleUpdateAppLaunchersFromPref,
           base::Unretained(this)));
   pref_change_registrar_.Add(
       prefs::kShelfAlignmentLocal,
       base::Bind(&ChromeLauncherController::SetShelfAlignmentFromPrefs,
                  base::Unretained(this)));
@@ skipping 699 matching lines @@
     LauncherItemController* controller = GetLauncherItemController(item.id);
     if (!controller || controller->image_set_by_controller())
       continue;
     item.image = image;
     if (arc_deferred_launcher_)
       arc_deferred_launcher_->MaybeApplySpinningEffect(id, &item.image);
     model_->Set(index, item);
     // It's possible we're waiting on more than one item, so don't break.
   }
 }