Remove deprecated kBrowserActionContainerWidth pref

extensions/browser/pref_names.h

 // Copyright 2013 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.
 
 #ifndef EXTENSIONS_BROWSER_PREF_NAMES_H_
 #define EXTENSIONS_BROWSER_PREF_NAMES_H_
 
 #include <string>
 
 #include "extensions/browser/extension_prefs_scope.h"
@@ skipping 22 matching lines @@
 
 // A list of allowed extension types. Extensions can only be installed if their
 // type is on this whitelist or alternatively on kInstallAllowList or
 // kInstallForceList.
 extern const char kAllowedTypes[];
 
 // Integer which specifies the launch type that bookmark apps are created with
 // by default.
 extern const char kBookmarkAppCreationLaunchType[];
 
-// Integer boolean representing the width (in pixels) of the container for
-// browser actions.
-extern const char kBrowserActionContainerWidth[];
-
 // Dictionary pref that keeps track of per-extension settings. The keys are
 // extension ids.
 extern const char kExtensions[];
 
 // A whitelist of extension ids the user can install: exceptions from the
 // following blacklist.
 extern const char kInstallAllowList[];
 
 // A blacklist, containing extensions the user cannot install. This list can
 // contain "*" meaning all extensions. This list should not be confused with the
@@ skipping 50 matching lines @@
 // Extension-set content settings.
 extern const char kPrefContentSettings[];
 
 // Extension-set incognito content settings.
 extern const char kPrefIncognitoContentSettings[];
 
 }  // namespace pref_names
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_PREF_NAMES_H_