Move some global feature defines to buildflags

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 317 matching lines @@
 extern const char kPluginsPluginsList[];
 extern const char kPluginsDisabledPlugins[];
 extern const char kPluginsDisabledPluginsExceptions[];
 extern const char kPluginsEnabledPlugins[];
 extern const char kPluginsAlwaysOpenPdfExternally[];
 #if defined(ENABLE_PLUGINS)
 extern const char kPluginsShowDetails[];
 #endif
 extern const char kPluginsAllowOutdated[];
 extern const char kPluginsAlwaysAuthorize[];
-#if defined(ENABLE_PLUGIN_INSTALLATION)
+#if BUILDFLAG(ENABLE_PLUGIN_INSTALLATION)
 extern const char kPluginsMetadata[];
 extern const char kPluginsResourceCacheUpdate[];
 #endif
 extern const char kDefaultBrowserLastDeclined[];
 extern const char kResetCheckDefaultBrowser[];
 extern const char kDefaultBrowserSettingEnabled[];
 #if defined(OS_MACOSX)
 extern const char kShowUpdatePromotionInfoBar[];
 #endif
 #if defined(OS_LINUX) && !defined(OS_CHROMEOS)
@@ skipping 481 matching lines @@
 #endif
 
 extern const char kOriginTrialPublicKey[];
 extern const char kOriginTrialDisabledFeatures[];
 
 extern const char kComponentUpdatesEnabled[];
 
 }  // namespace prefs
 
 #endif  // CHROME_COMMON_PREF_NAMES_H_