[ServiceWorker] Update formatting for tests.

LayoutTests/http/tests/serviceworker/resources/interfaces.js

Index: LayoutTests/http/tests/serviceworker/resources/interfaces.js
diff --git a/LayoutTests/http/tests/serviceworker/resources/interfaces.js b/LayoutTests/http/tests/serviceworker/resources/interfaces.js
index 9db350fd8372eafe54d8b068c8b3c8456b9df27e..eb00df65ff3b7b709a2c603cd7be21f765ec5f40 100644
--- a/LayoutTests/http/tests/serviceworker/resources/interfaces.js
+++ b/LayoutTests/http/tests/serviceworker/resources/interfaces.js
@@ -1,15 +1,15 @@
-function verifyInterface(name, instance, attributes) {
-    assert_true(name in self,
-                name + ' should be an defined type');
-    if (instance) {
-        assert_true(instance instanceof self[name],
-                    instance + ' should be an instance of ' + name);
-        Object.keys(attributes || {}).forEach(function(attribute) {
-            var type = attributes[attribute];
-            assert_true(attribute in instance,
-                        attribute + ' should be an attribute of ' + name);
-            assert_equals(typeof instance[attribute], type,
-                          attribute + ' should be of type ' + type);
-        });
-    }
+function verify_interface(name, instance, attributes) {
+  assert_true(name in self,
+              name + ' should be an defined type');
+  if (instance) {
+    assert_true(instance instanceof self[name],
+                instance + ' should be an instance of ' + name);
+    Object.keys(attributes || {}).forEach(function(attribute) {
+        var type = attributes[attribute];
+        assert_true(attribute in instance,
+                    attribute + ' should be an attribute of ' + name);
+        assert_equals(typeof instance[attribute], type,
+                      attribute + ' should be of type ' + type);
+      });
+  }
 }