[invalidation] Componentize TiclProfileSettingsProvider

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 515 matching lines @@
 extern const char kDevToolsPortForwardingEnabled[];
 extern const char kDevToolsPortForwardingDefaultSet[];
 extern const char kDevToolsPortForwardingConfig[];
 extern const char kDevToolsPreferences[];
 #if defined(OS_ANDROID)
 extern const char kDevToolsRemoteEnabled[];
 #endif
 
 extern const char kGoogleServicesPasswordHash[];
 
-extern const char kInvalidationServiceUseGCMChannel[];
-
 #if !defined(OS_ANDROID) && !defined(OS_IOS)
 extern const char kSignInPromoStartupCount[];
 extern const char kSignInPromoUserSkipped[];
 extern const char kSignInPromoShowOnFirstRunAllowed[];
 extern const char kSignInPromoShowNTPBubble[];
 #endif
 
 #if !defined(OS_CHROMEOS) && !defined(OS_ANDROID) && !defined(OS_IOS)
 extern const char kCrossDevicePromoOptedOut[];
 extern const char kCrossDevicePromoShouldBeShown[];
@@ skipping 242 matching lines @@
 
 #if defined(ENABLE_EXTENSIONS)
 extern const char kAnimationPolicy[];
 #endif
 
 extern const char kBackgroundTracingLastUpload[];
 
 }  // namespace prefs
 
 #endif  // CHROME_COMMON_PREF_NAMES_H_