Page actions behave as disableable browser actions when script badges are enabled.

chrome/browser/extensions/api/extension_action/extension_actions_api.cc

Index: chrome/browser/extensions/api/extension_action/extension_actions_api.cc
diff --git a/chrome/browser/extensions/api/extension_action/extension_actions_api.cc b/chrome/browser/extensions/api/extension_action/extension_actions_api.cc
index fb17ffd16a40967572d22bfdf3a12a44656b62e3..91de850a2d39c03c6fa4be5c5cb66cc5cdb17a19 100644
--- a/chrome/browser/extensions/api/extension_action/extension_actions_api.cc
+++ b/chrome/browser/extensions/api/extension_action/extension_actions_api.cc
@@ -115,9 +115,13 @@ bool ExtensionActionFunction::RunImpl() {
 void ExtensionActionFunction::NotifyChange() {
   switch (extension_action_->action_type()) {
     case ExtensionAction::TYPE_BROWSER:
-      NotifyBrowserActionChange();
-      return;
     case ExtensionAction::TYPE_PAGE:
+      if (extension_->browser_action()) {
+        NotifyBrowserActionChange();
+      } else if (extension_->page_action()) {
+        NotifyLocationBarChange();
+      }
+      return;
     case ExtensionAction::TYPE_SCRIPT_BADGE:
       NotifyLocationBarChange();
       return;
@@ -174,10 +178,6 @@ bool ExtensionActionFunction::ParseCSSColorString(
 }
 
 bool ExtensionActionFunction::SetVisible(bool visible) {
-  // If --enable-script-badges is on there will be a browser_action here
-  // instead of a page action. Disable/renable the browser action perhaps?
-  if (!GetExtension()->page_action())
-    return true;
   extension_action_->SetIsVisible(tab_id_, visible);
   NotifyChange();
   return true;