Don't display a settings button for extension notifications

chrome/browser/notifications/notification_platform_bridge_linux.cc

Index: chrome/browser/notifications/notification_platform_bridge_linux.cc
diff --git a/chrome/browser/notifications/notification_platform_bridge_linux.cc b/chrome/browser/notifications/notification_platform_bridge_linux.cc
index 50dc9d50dcfbcf6e8ac96a2c8e86a971eec4c9bf..01d86ba993ec3547f91bbc64c4a9345b8c2c6dd8 100644
--- a/chrome/browser/notifications/notification_platform_bridge_linux.cc
+++ b/chrome/browser/notifications/notification_platform_bridge_linux.cc
@@ -579,10 +579,12 @@ class NotificationPlatformBridgeLinuxImpl
         actions.push_back(kDefaultButtonId);
         actions.push_back("");
       }
-      // Always add a settings button.
-      actions.push_back(kSettingsButtonId);
-      actions.push_back(
-          l10n_util::GetStringUTF8(IDS_NOTIFICATION_BUTTON_SETTINGS));
+      // Always add a settings button for web notifications.
+      if (notification_type != NotificationCommon::EXTENSION) {
+        actions.push_back(kSettingsButtonId);
+        actions.push_back(
+            l10n_util::GetStringUTF8(IDS_NOTIFICATION_BUTTON_SETTINGS));
+      }
     }
     writer.AppendArrayOfStrings(actions);