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

chrome/browser/extensions/api/developer_private/developer_private_api.cc

Index: chrome/browser/extensions/api/developer_private/developer_private_api.cc
diff --git a/chrome/browser/extensions/api/developer_private/developer_private_api.cc b/chrome/browser/extensions/api/developer_private/developer_private_api.cc
index 81ec02f14c9b639dd1e7cf22f7cf61c5a490d14a..94d1f9042c4b748aa0b3570893f985d852b7dd39 100644
--- a/chrome/browser/extensions/api/developer_private/developer_private_api.cc
+++ b/chrome/browser/extensions/api/developer_private/developer_private_api.cc
@@ -22,7 +22,6 @@
 #include "chrome/browser/extensions/api/developer_private/entry_picker.h"
 #include "chrome/browser/extensions/api/developer_private/extension_info_generator.h"
 #include "chrome/browser/extensions/api/developer_private/show_permissions_dialog_helper.h"
-#include "chrome/browser/extensions/api/extension_action/extension_action_api.h"
 #include "chrome/browser/extensions/devtools_util.h"
 #include "chrome/browser/extensions/extension_commands_global_registry.h"
 #include "chrome/browser/extensions/extension_service.h"
@@ -243,7 +242,6 @@ DeveloperPrivateEventRouter::DeveloperPrivateEventRouter(Profile* profile)
       error_console_observer_(this),
       process_manager_observer_(this),
       app_window_registry_observer_(this),
-      extension_action_api_observer_(this),
       warning_service_observer_(this),
       extension_prefs_observer_(this),
       extension_management_observer_(this),
@@ -255,7 +253,6 @@ DeveloperPrivateEventRouter::DeveloperPrivateEventRouter(Profile* profile)
   error_console_observer_.Add(ErrorConsole::Get(profile));
   process_manager_observer_.Add(ProcessManager::Get(profile));
   app_window_registry_observer_.Add(AppWindowRegistry::Get(profile));
-  extension_action_api_observer_.Add(ExtensionActionAPI::Get(profile));
   warning_service_observer_.Add(WarningService::Get(profile));
   extension_prefs_observer_.Add(ExtensionPrefs::Get(profile));
   extension_management_observer_.Add(
@@ -371,12 +368,6 @@ void DeveloperPrivateEventRouter::OnExtensionCommandRemoved(
                             extension_id);
 }
 
-void DeveloperPrivateEventRouter::OnExtensionActionVisibilityChanged(
-    const std::string& extension_id,
-    bool is_now_visible) {
-  BroadcastItemStateChanged(developer::EVENT_TYPE_PREFS_CHANGED, extension_id);
-}
-
 void DeveloperPrivateEventRouter::OnExtensionDisableReasonsChanged(
     const std::string& extension_id, int disable_reasons) {
   BroadcastItemStateChanged(developer::EVENT_TYPE_PREFS_CHANGED, extension_id);
@@ -721,11 +712,6 @@ DeveloperPrivateUpdateExtensionConfigurationFunction::Run() {
     }
     modifier.SetAllowedOnAllUrls(*update.run_on_all_urls);
   }
-  if (update.show_action_button) {
-    ExtensionActionAPI::Get(browser_context())->SetBrowserActionVisibility(
-        extension->id(),
-        *update.show_action_button);
-  }
 
   return RespondNow(NoArguments());
 }