[Extensions] Remove "show button" UI from chrome://extensions

chrome/browser/extensions/api/developer_private/developer_private_api.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.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_API_DEVELOPER_PRIVATE_DEVELOPER_PRIVATE_API_H_
 #define CHROME_BROWSER_EXTENSIONS_API_DEVELOPER_PRIVATE_DEVELOPER_PRIVATE_API_H_
 
 #include <set>
 
 #include "base/files/file.h"
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "base/scoped_observer.h"
 #include "chrome/browser/extensions/api/commands/command_service.h"
 #include "chrome/browser/extensions/api/developer_private/entry_picker.h"
-#include "chrome/browser/extensions/api/extension_action/extension_action_api.h"
 #include "chrome/browser/extensions/api/file_system/file_system_api.h"
 #include "chrome/browser/extensions/chrome_extension_function.h"
 #include "chrome/browser/extensions/error_console/error_console.h"
 #include "chrome/browser/extensions/extension_management.h"
 #include "chrome/browser/extensions/extension_uninstall_dialog.h"
 #include "chrome/browser/extensions/pack_extension_job.h"
 #include "chrome/common/extensions/api/developer_private.h"
 #include "chrome/common/extensions/webstore_install_result.h"
 #include "components/prefs/pref_change_registrar.h"
 #include "extensions/browser/app_window/app_window_registry.h"
@@ skipping 21 matching lines @@
 
 class EntryPickerClient;
 
 }  // namespace api
 
 class DeveloperPrivateEventRouter : public ExtensionRegistryObserver,
                                     public ErrorConsole::Observer,
                                     public ProcessManagerObserver,
                                     public AppWindowRegistry::Observer,
                                     public CommandService::Observer,
-                                    public ExtensionActionAPI::Observer,
                                     public ExtensionPrefsObserver,
                                     public ExtensionManagement::Observer,
                                     public WarningService::Observer {
  public:
   explicit DeveloperPrivateEventRouter(Profile* profile);
   ~DeveloperPrivateEventRouter() override;
 
   // Add or remove an ID to the list of extensions subscribed to events.
   void AddExtensionId(const std::string& extension_id);
   void RemoveExtensionId(const std::string& extension_id);
@@ skipping 27 matching lines @@
   // AppWindowRegistry::Observer:
   void OnAppWindowAdded(AppWindow* window) override;
   void OnAppWindowRemoved(AppWindow* window) override;
 
   // CommandService::Observer:
   void OnExtensionCommandAdded(const std::string& extension_id,
                                const Command& added_command) override;
   void OnExtensionCommandRemoved(const std::string& extension_id,
                                  const Command& removed_command) override;
 
-  // ExtensionActionAPI::Observer:
-  void OnExtensionActionVisibilityChanged(const std::string& extension_id,
-                                          bool is_now_visible) override;
-
   // ExtensionPrefsObserver:
   void OnExtensionDisableReasonsChanged(const std::string& extension_id,
                                         int disable_reasons) override;
 
   // ExtensionManagement::Observer:
   void OnExtensionManagementSettingsChanged() override;
 
   // WarningService::Observer:
   void ExtensionWarningsChanged(
       const ExtensionIdSet& affected_extensions) override;
@@ skipping 10 matching lines @@
       std::unique_ptr<ExtensionInfoGenerator> info_generator,
       std::vector<api::developer_private::ExtensionInfo> infos);
 
   ScopedObserver<ExtensionRegistry, ExtensionRegistryObserver>
       extension_registry_observer_;
   ScopedObserver<ErrorConsole, ErrorConsole::Observer> error_console_observer_;
   ScopedObserver<ProcessManager, ProcessManagerObserver>
       process_manager_observer_;
   ScopedObserver<AppWindowRegistry, AppWindowRegistry::Observer>
       app_window_registry_observer_;
-  ScopedObserver<ExtensionActionAPI, ExtensionActionAPI::Observer>
-      extension_action_api_observer_;
   ScopedObserver<WarningService, WarningService::Observer>
       warning_service_observer_;
   ScopedObserver<ExtensionPrefs, ExtensionPrefsObserver>
       extension_prefs_observer_;
   ScopedObserver<ExtensionManagement, ExtensionManagement::Observer>
       extension_management_observer_;
   ScopedObserver<CommandService, CommandService::Observer>
       command_service_observer_;
 
   Profile* profile_;
@@ skipping 491 matching lines @@
  protected:
   ~DeveloperPrivateUpdateExtensionCommandFunction() override;
   ResponseAction Run() override;
 };
 
 }  // namespace api
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_DEVELOPER_PRIVATE_DEVELOPER_PRIVATE_API_H_