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

chrome/browser/ui/app_list/arc/arc_default_app_list.cc

 // Copyright 2016 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/app_list/arc/arc_default_app_list.h"
 
 #include "base/files/file_enumerator.h"
 #include "base/json/json_file_value_serializer.h"
 #include "base/path_service.h"
 #include "base/task_scheduler/post_task.h"
 #include "chrome/browser/chromeos/arc/arc_support_host.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/ui/app_list/arc/arc_app_list_prefs.h"
 #include "chrome/browser/ui/app_list/arc/arc_app_utils.h"
 #include "chrome/common/chrome_paths.h"
 #include "content/public/browser/browser_thread.h"
 #include "extensions/browser/extension_system.h"
 
 namespace {
 
 const char kActivity[] = "activity";
 const char kAppPath[] = "app_path";
 const char kName[] = "name";
 const char kOem[] = "oem";
 const char kPackageName[] = "package_name";
 
-// Sub-directory wher Arc apps forward declarations are stored.
+// Sub-directory wher ARC apps forward declarations are stored.
 const base::FilePath::CharType kArcDirectory[] = FILE_PATH_LITERAL("arc");
 const base::FilePath::CharType kArcTestDirectory[] =
     FILE_PATH_LITERAL("arc_default_apps");
 
 bool use_test_apps_directory = false;
 
 std::unique_ptr<ArcDefaultAppList::AppInfoMap>
 ReadAppsFromFileThread() {
   std::unique_ptr<ArcDefaultAppList::AppInfoMap> apps(
       new ArcDefaultAppList::AppInfoMap);
@@ skipping 43 matching lines @@
       app_info_dictionary->GetString(kName, &name);
       app_info_dictionary->GetString(kPackageName, &package_name);
       app_info_dictionary->GetString(kActivity, &activity);
       app_info_dictionary->GetString(kAppPath, &app_path);
       app_info_dictionary->GetBoolean(kOem, &oem);
 
       if (name.empty() ||
           package_name.empty() ||
           activity.empty() ||
           app_path.empty()) {
-        VLOG(2) << "Arc app declaration is incomplete in file "
-                << file.value() << ".";
+        VLOG(2) << "ARC app declaration is incomplete in file " << file.value()
+                << ".";
         continue;
       }
 
       const std::string app_id = ArcAppListPrefs::GetAppId(
           package_name, activity);
       std::unique_ptr<ArcDefaultAppList::AppInfo> app(
           new ArcDefaultAppList::AppInfo(name,
                                          package_name,
                                          activity,
                                          oem,
@@ skipping 111 matching lines @@
                                     const std::string& activity,
                                     bool oem,
                                     const base::FilePath app_path)
     : name(name),
       package_name(package_name),
       activity(activity),
       oem(oem),
       app_path(app_path) {}
 
 ArcDefaultAppList::AppInfo::~AppInfo() {}