Componentize ComponentUpdaterConfigurator

chrome/browser/update_client/chrome_update_query_params_delegate.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 "chrome/browser/update_client/chrome_update_query_params_delegate.h"
 
 #include "base/lazy_instance.h"
 #include "base/strings/stringprintf.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/common/channel_info.h"
 #include "components/version_info/version_info.h"
 
 namespace {
 
-const char kUnknown[] = "unknown";
-const char kStable[] = "stable";
-const char kBeta[] = "beta";
-const char kDev[] = "dev";
-const char kCanary[] = "canary";
-
 base::LazyInstance<ChromeUpdateQueryParamsDelegate> g_delegate =
     LAZY_INSTANCE_INITIALIZER;
 
 }  // namespace
 
 ChromeUpdateQueryParamsDelegate::ChromeUpdateQueryParamsDelegate() {
 }
 
 ChromeUpdateQueryParamsDelegate::~ChromeUpdateQueryParamsDelegate() {
 }
 
 // static
 ChromeUpdateQueryParamsDelegate*
 ChromeUpdateQueryParamsDelegate::GetInstance() {
   return g_delegate.Pointer();
 }
 
 std::string ChromeUpdateQueryParamsDelegate::GetExtraParams() {
   return base::StringPrintf(
       "&prodchannel=%s&prodversion=%s&lang=%s", GetChannelString(),
       version_info::GetVersionNumber().c_str(), GetLang());
 }
 
 // static
 const char* ChromeUpdateQueryParamsDelegate::GetChannelString() {
-  switch (chrome::GetChannel()) {
-    case version_info::Channel::STABLE:
-      return kStable;
-      break;
-    case version_info::Channel::BETA:
-      return kBeta;
-      break;
-    case version_info::Channel::DEV:
-      return kDev;
-      break;
-    case version_info::Channel::CANARY:
-      return kCanary;
-      break;
-    case version_info::Channel::UNKNOWN:
-      return kUnknown;
-      break;
-  }
-  return kUnknown;
+  return GetChannelStringHelper(chrome::GetChannel());
 }
 
 // static
 const char* ChromeUpdateQueryParamsDelegate::GetLang() {
   return g_browser_process->GetApplicationLocale().c_str();
 }