Support Using ScopedFeatureList in BrowserTest

content/test/content_browser_test_test.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/public/test/content_browser_test.h"
 
 #include "base/command_line.h"
 #include "base/location.h"
 #include "base/process/launch.h"
 #include "base/single_thread_task_runner.h"
+#include "base/strings/string_split.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/test/launcher/test_launcher.h"
+#include "base/test/scoped_command_line.h"
+#include "base/test/scoped_feature_list.h"
 #include "base/threading/thread_restrictions.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "build/build_config.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/render_process_host_observer.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/test/browser_test_utils.h"
 #include "content/public/test/content_browser_test_utils.h"
 #include "content/public/test/test_launcher.h"
@@ skipping 148 matching lines @@
 IN_PROC_BROWSER_TEST_F(ContentBrowserTestSanityTest, Basic) {
   Test();
 }
 
 IN_PROC_BROWSER_TEST_F(ContentBrowserTestSanityTest, SingleProcess) {
   Test();
 }
 
 namespace {
 
+const base::Feature kTestFeatureForBrowserTest1{
+    "TestFeatureForBrowserTest1", base::FEATURE_DISABLED_BY_DEFAULT};
+const base::Feature kTestFeatureForBrowserTest2{
+    "TestFeatureForBrowserTest2", base::FEATURE_ENABLED_BY_DEFAULT};
+const base::Feature kTestFeatureForBrowserTest3{
+    "TestFeatureForBrowserTest3", base::FEATURE_DISABLED_BY_DEFAULT};
+const base::Feature kTestFeatureForBrowserTest4{
+    "TestFeatureForBrowserTest4", base::FEATURE_ENABLED_BY_DEFAULT};
+
+}  // namespace
+
+class ContentBrowserTestScopedFeatureListTest : public ContentBrowserTest {
+ public:
+  void SetUp() override {
+    scoped_feature_list_.InitWithFeatures({kTestFeatureForBrowserTest3},
+                                          {kTestFeatureForBrowserTest4});
+    ContentBrowserTest::SetUp();
+  }
+
+ private:
+  base::test::ScopedFeatureList scoped_feature_list_;
+};
+
+IN_PROC_BROWSER_TEST_F(ContentBrowserTestScopedFeatureListTest,
+                       FeatureListTest) {
+  EXPECT_TRUE(base::FeatureList::IsEnabled(kTestFeatureForBrowserTest1));
+  EXPECT_FALSE(base::FeatureList::IsEnabled(kTestFeatureForBrowserTest2));
+  EXPECT_TRUE(base::FeatureList::IsEnabled(kTestFeatureForBrowserTest3));
+  EXPECT_FALSE(base::FeatureList::IsEnabled(kTestFeatureForBrowserTest4));
+}
+
+namespace {
+
 void CallbackChecker(bool* non_nested_task_ran) {
   *non_nested_task_ran = true;
 }
 
 }  // namespace
 
 IN_PROC_BROWSER_TEST_F(ContentBrowserTest, NonNestableTask) {
   bool non_nested_task_ran = false;
   base::ThreadTaskRunnerHandle::Get()->PostNonNestableTask(
       FROM_HERE, base::Bind(&CallbackChecker, &non_nested_task_ran));
   content::RunAllPendingInMessageLoop();
   ASSERT_TRUE(non_nested_task_ran);
 }
 
 }  // namespace content