Limit number of service instances passed to onServiceList listeners.

chrome/browser/extensions/api/mdns/mdns_apitest.cc

Index: chrome/browser/extensions/api/mdns/mdns_apitest.cc
diff --git a/chrome/browser/extensions/api/mdns/mdns_apitest.cc b/chrome/browser/extensions/api/mdns/mdns_apitest.cc
index 61d10d33828e47d6f593a9f7134883af3610826f..6c587bff5641358bd0332677f7f3c9531420444b 100644
--- a/chrome/browser/extensions/api/mdns/mdns_apitest.cc
+++ b/chrome/browser/extensions/api/mdns/mdns_apitest.cc
@@ -142,3 +142,17 @@ IN_PROC_BROWSER_TEST_F(MDnsAPITest, MAYBE_RegisterMultipleListeners) {
   dns_sd_registry_->DispatchMDnsEvent(test_service_type, services);
   EXPECT_TRUE(catcher.GetNextResult()) << catcher.message();
 }
+
+// TODO(justinlin): Win Dbg has a workaround that makes RunExtensionSubtest
+// always return true without actually running the test. Remove when fixed.
+#if defined(OS_WIN) && !defined(NDEBUG)
+#define MAYBE_GetMaxServiceInstancesPerEvent \
+  DISABLED_GetMaxServiceInstancesPerEvent
+#else
+#define MAYBE_GetMaxServiceInstancesPerEvent GetMaxServiceInstancesPerEvent
+#endif
+// Test loading extension and registering multiple listeners.
+IN_PROC_BROWSER_TEST_F(MDnsAPITest, MAYBE_GetMaxServiceInstancesPerEvent) {
+  EXPECT_TRUE(RunExtensionSubtest("mdns/api",
+                                  "get_max_service_instances.html"));
+}