Componentize component_updater: Move some paths/constants to component.

chrome/common/pref_names.h

 // 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.
 
 // Constants for the names of various preferences, for easier changing.
 
 #ifndef CHROME_COMMON_PREF_NAMES_H_
 #define CHROME_COMMON_PREF_NAMES_H_
 
 #include <stddef.h>
@@ skipping 727 matching lines @@
 
 extern const char kDevicePolicyRefreshRate[];
 
 extern const char kFactoryResetRequested[];
 extern const char kRollbackRequested[];
 
 extern const char kMessageCenterShowedFirstRunBalloon[];
 extern const char kMessageCenterShowIcon[];
 extern const char kMessageCenterForcedOnTaskbar[];
 
-extern const char kRecoveryComponentVersion[];
-extern const char kComponentUpdaterState[];
 extern const char kAttemptedToEnableAutoupdate[];
 
 extern const char kMediaGalleriesUniqueId[];
 extern const char kMediaGalleriesRememberedGalleries[];
 extern const char kMediaGalleriesLastScanTime[];
 
 #if defined(USE_ASH)
 extern const char kShelfAlignment[];
 extern const char kShelfAlignmentLocal[];
 extern const char kShelfAutoHideBehavior[];
@@ skipping 70 matching lines @@
 
 #if defined(OS_ANDROID)
 extern const char kPartnerBookmarkMappings[];
 #endif
 
 extern const char kQuickCheckEnabled[];
 
 }  // namespace prefs
 
 #endif  // CHROME_COMMON_PREF_NAMES_H_