Add ARC version to help and version pages

components/version_ui/version_ui_constants.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 "components/version_ui/version_ui_constants.h"
 
 namespace version_ui {
 
 // Resource paths.
 const char kAboutVersionCSS[] = "about_version.css";
 const char kVersionJS[] = "version.js";
 
 // Message handlers.
 const char kRequestVersionInfo[] = "requestVersionInfo";
 const char kReturnFilePaths[] = "returnFilePaths";
 const char kReturnFlashVersion[] = "returnFlashVersion";
 const char kReturnVariationInfo[] = "returnVariationInfo";
 
 // Strings.
 const char kApplicationLabel[] = "application_label";
+const char kARC[] = "arc_label";
 const char kBlinkVersion[] = "blink_version";
 const char kBuildID[] = "build_id";
 const char kBuildIDName[] = "build_id_name";
 const char kCL[] = "cl";
 const char kCommandLine[] = "command_line";
 const char kCommandLineName[] = "command_line_name";
 const char kCompany[] = "company";
 const char kCopyright[] = "copyright";
 const char kExecutablePath[] = "executable_path";
 const char kExecutablePathName[] = "executable_path_name";
@@ skipping 11 matching lines @@
 const char kRevision[] = "revision";
 const char kTitle[] = "title";
 const char kUserAgent[] = "useragent";
 const char kUserAgentName[] = "user_agent_name";
 const char kVariationsName[] = "variations_name";
 const char kVersion[] = "version";
 const char kVersionBitSize[] = "version_bitsize";
 const char kVersionModifier[] = "version_modifier";
 
 }  // namespace version_ui