Remove extension-to-component migration mechanism

chrome/common/pref_names.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/common/pref_names.h"
 
 #include "base/macros.h"
 #include "build/build_config.h"
 #include "chrome/common/features.h"
 #include "chrome/common/pref_font_webkit_names.h"
@@ skipping 1288 matching lines @@
 // in order to use Easy Unlock.
 const char kEasyUnlockProximityRequired[] = "easy_unlock.proximity_required";
 
 #if BUILDFLAG(ENABLE_EXTENSIONS)
 // Used to indicate whether or not the toolbar redesign bubble has been shown
 // and acknowledged, and the last time the bubble was shown.
 const char kToolbarIconSurfacingBubbleAcknowledged[] =
     "toolbar_icon_surfacing_bubble_acknowledged";
 const char kToolbarIconSurfacingBubbleLastShowTime[] =
     "toolbar_icon_surfacing_bubble_show_time";
-
-// Used to track component actions in the toolbar that were migrated from
-// extensions.
-const char kToolbarMigratedComponentActionStatus[] =
-    "toolbar_migrated_component_action_status";
 #endif
 
 #if BUILDFLAG(ENABLE_WEBRTC)
 // Whether WebRTC should bind to individual NICs to explore all possible routing
 // options. Default is true. This has become obsoleted and replaced by
 // kWebRTCIPHandlingPolicy. TODO(guoweis): Remove this at M50.
 const char kWebRTCMultipleRoutesEnabled[] = "webrtc.multiple_routes_enabled";
 // Whether WebRTC should use non-proxied UDP. If false, WebRTC will not send UDP
 // unless it goes through a proxy (i.e RETURN when it's available).  If no UDP
 // proxy is configured, it will not send UDP.  If true, WebRTC will send UDP
@@ skipping 1058 matching lines @@
 // default search engine, if it is the Google search engine.
 const char kGoogleDSEGeolocationSetting[] = "google_dse_geolocation_setting";
 
 // A dictionary of manifest URLs of Web Share Targets to a dictionary containing
 // attributes of its share_target field found in its manifest. Each key in the
 // dictionary is the name of the attribute, and the value is the corresponding
 // value.
 const char kWebShareVisitedTargets[] = "profile.web_share.visited_targets";
 
 }  // namespace prefs