Linux native notifications: Require 'actions' and 'body' capabilities

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 845b451036b345a333f78132aa95eef85105e0bd..50dc9d50dcfbcf6e8ac96a2c8e86a971eec4c9bf 100644
--- a/chrome/browser/notifications/notification_platform_bridge_linux.cc
+++ b/chrome/browser/notifications/notification_platform_bridge_linux.cc
@@ -426,6 +426,12 @@ class NotificationPlatformBridgeLinuxImpl
         capabilities_.insert(capability);
     }
     RecordMetricsForCapabilities();
+    if (!base::ContainsKey(capabilities_, kCapabilityBody) ||
+        !base::ContainsKey(capabilities_, kCapabilityActions)) {
+      OnConnectionInitializationFinishedOnTaskRunner(
+          ConnectionInitializationStatusCode::MISSING_REQUIRED_CAPABILITIES);
+      return;
+    }
     PostTaskToUiThread(base::BindOnce(
         &NotificationPlatformBridgeLinuxImpl::SetBodyImagesSupported, this,
         base::ContainsKey(capabilities_, kCapabilityBodyImages)));