HTML Imports: Get rid of needsProcessOrStop() from dom/custom/

LayoutTests/http/tests/htmlimports/import-custom-element-order.html

Index: LayoutTests/http/tests/htmlimports/import-custom-element-order.html
diff --git a/LayoutTests/http/tests/htmlimports/import-custom-element-order.html b/LayoutTests/http/tests/htmlimports/import-custom-element-order.html
index 00c93f8f9663cbdb2085bfba59471f79e616690c..fcb0b4a1cba2e7e09f6b8c43b1b2ec06223ea2ff 100644
--- a/LayoutTests/http/tests/htmlimports/import-custom-element-order.html
+++ b/LayoutTests/http/tests/htmlimports/import-custom-element-order.html
@@ -15,13 +15,13 @@ var t2 = async_test('Custom elements in async imports wait preceeding sync impor
 var latch = new ImportTestLatch(function() {
     window.setTimeout(function() {
         t1.step(function() {
-            assert_array_equals(['hello-slow', 'hello-1', 'hello-2'], Hello.ids);
+            assert_array_equals(['hello-slow', 'hello-2', 'hello-1'], Hello.ids);
             t1.done();
         });
 
         t2.step(function() {
             var Bye = registerTestingCustomElement('x-bye');
-            assert_array_equals(['bye-slow', 'bye-1', 'bye-2'], Bye.ids);
+            assert_array_equals(['bye-slow', 'bye-2', 'bye-1'], Bye.ids);
             t2.done();
         });
     }, 0);