Reenable web benchmarks

pubspec.lock

@@ -35,7 +35,7 @@ packages:
       name: archive
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.1.8"
+    version: "3.1.11"
   args:
     dependency: "direct dev"
     description:
@@ -296,7 +296,7 @@ packages:
       name: material_color_utilities
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.1.3"
+    version: "0.1.4"
   meta:
     dependency: "direct main"
     description:
@@ -602,7 +602,7 @@ packages:
       name: source_span
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.8.1"
+    version: "1.8.2"
   stack_trace:
     dependency: transitive
     description:
@@ -728,7 +728,7 @@ packages:
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.1"
+    version: "2.1.2"
   vm_service:
     dependency: transitive
     description:
@@ -746,10 +746,10 @@ packages:
   web_benchmarks:
     dependency: "direct dev"
     description:
-      name: web_benchmarks
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.0.5"
+      path: "../packages/packages/web_benchmarks"
+      relative: true
+    source: path
+    version: "0.0.7"
   web_socket_channel:
     dependency: transitive
     description:

pubspec.yaml

@@ -42,7 +42,7 @@ dev_dependencies:
   path: ^1.8.0
   string_scanner: ^1.1.0
   test: ^1.16.8
-  web_benchmarks: ^0.0.5
+  web_benchmarks: ^0.0.7
 
 flutter:
   deferred-components:

test_benchmarks/benchmarks/gallery_automator.dart

@@ -4,7 +4,7 @@
 
 // @dart=2.9
 
-import 'dart:io';
+// ignore_for_file:avoid_print
 
 import 'package:flutter/material.dart';
 import 'package:flutter_test/flutter_test.dart';
@@ -87,13 +87,13 @@ class GalleryAutomator {
   Future<void> automateDemoGestures() async {
     await warmUp();
 
-    stdout.writeln('==== List of demos to be run ====');
+    print('==== List of demos to be run ====');
     for (final demo in demoNames) {
       if (shouldRunPredicate(demo)) {
-        stdout.writeln(demo);
+        print(demo);
       }
     }
-    stdout.writeln('==== End of list of demos to be run ====');
+    print('==== End of list of demos to be run ====');
 
     var finishedStudyDemos = false;
 
@@ -121,7 +121,7 @@ class GalleryAutomator {
       // satisfying `runCriterion`, because we need to scroll
       // through every `Scrollable` to find the `demoButton`.
       if (shouldRunPredicate(demo)) {
-        stdout.writeln('Running demo "$demo"');
+        print('Running demo "$demo"');
 
         for (var i = 0; i < 2; ++i) {
           await controller.tap(find.byKey(ValueKey(demo)));
@@ -139,7 +139,7 @@ class GalleryAutomator {
       }
     }
 
-    stdout.writeln('All demos finished.');
+    print('All demos finished.');
 
     // At the end of the test, mark as finished.
     finished = true;
@@ -149,7 +149,7 @@ class GalleryAutomator {
   Future<void> automateScrolls() async {
     await warmUp();
 
-    stdout.writeln('Running scrolling test.');
+    print('Running scrolling test.');
 
     final selectedDemos = firstDemosOfCategories(demoNames);
 
@@ -182,13 +182,13 @@ class GalleryAutomator {
       }
     }
 
-    stdout.writeln('Scrolling test finished.');
+    print('Scrolling test finished.');
     finished = true;
   }
 
   /// Warm up the animation.
   Future<void> warmUp() async {
-    stdout.writeln('Warming up.');
+    print('Warming up.');
 
     await pumpDeferredLibraries();
 
@@ -231,7 +231,7 @@ class GalleryAutomator {
     // When warm-up finishes, inform the recorder.
     stopWarmingUpCallback();
 
-    stdout.writeln('Warm-up finished.');
+    print('Warm-up finished.');
   }
 
   /// A function to find the category of a demo.

test_benchmarks/benchmarks_test.dart

@@ -27,9 +27,6 @@ Future<void> main() async {
   test('Can run a web benchmark', () async {
     stdout.writeln('Starting web benchmark tests ...');
 
-    // TODO(pennzht): Re-enable this test, https://github.com/flutter/gallery/issues/463.
-    return;
-    // ignore: dead_code
     final taskResult = await serveWebBenchmark(
       benchmarkAppDirectory: projectRootDirectory(),
       entryPoint: 'test_benchmarks/benchmarks/client.dart',