Cleanup of system settings constants (ab)use.

chrome/browser/chromeos/imageburner/burn_manager.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/chromeos/imageburner/burn_manager.h"
 
 #include "base/bind.h"
 #include "base/file_util.h"
 #include "base/strings/string_util.h"
 #include "base/threading/worker_pool.h"
 #include "chrome/browser/chromeos/system/statistics_provider.h"
 #include "chromeos/dbus/dbus_thread_manager.h"
 #include "chromeos/dbus/image_burner_client.h"
 #include "chromeos/network/network_state.h"
 #include "chromeos/network/network_state_handler.h"
 #include "content/public/browser/browser_thread.h"
 #include "grit/generated_resources.h"
 #include "net/url_request/url_fetcher.h"
 #include "net/url_request/url_request_context_getter.h"
 #include "net/url_request/url_request_status.h"
 #include "third_party/zlib/google/zip.h"
 
 using content::BrowserThread;
 
 namespace chromeos {
 namespace imageburner {
 
 namespace {
 
-// Name for hwid in machine statistics.
-const char kHwidStatistic[] = "hardware_class";
-
 const char kConfigFileUrl[] =
     "https://dl.google.com/dl/edgedl/chromeos/recovery/recovery.conf";
 const char kTempImageFolderName[] = "chromeos_image";
 
 const char kImageZipFileName[] = "chromeos_image.bin.zip";
 
 const int64 kBytesImageDownloadProgressReportInterval = 10240;
 
 BurnManager* g_burn_manager = NULL;
 
@@ skipping 509 matching lines @@
   }
 }
 
 void BurnManager::ConfigFileFetched(bool fetched, const std::string& content) {
   if (config_file_fetched_)
     return;
 
   // Get image file name and image download URL.
   std::string hwid;
   if (fetched && system::StatisticsProvider::GetInstance()->
-      GetMachineStatistic(kHwidStatistic, &hwid)) {
+      GetMachineStatistic(system::kHardwareClass, &hwid)) {
     ConfigFile config_file(content);
     image_file_name_ = config_file.GetProperty(kFileName, hwid);
     image_download_url_ = GURL(config_file.GetProperty(kUrl, hwid));
   }
 
   // Error check.
   if (fetched && !image_file_name_.empty() && !image_download_url_.is_empty()) {
     config_file_fetched_ = true;
   } else {
     fetched = false;
@@ skipping 76 matching lines @@
     // Note: in theory, this is not a part of notification, but cancelling
     // the running burning task. However, there is no good place to be in the
     // current code.
     // TODO(hidehiko): Clean this up after refactoring.
     OnError(IDS_IMAGEBURN_DEVICE_NOT_FOUND_ERROR);
   }
 }
 
 }  // namespace imageburner
 }  // namespace chromeos