Fix TSAN errors with reload_cache_control_browsertest.cc.

content/browser/loader/reload_cache_control_browsertest.cc

 // Copyright 2016 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 <memory>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/files/file_path.h"
 #include "base/test/scoped_feature_list.h"
@@ skipping 21 matching lines @@
 const char kMaxAgeCacheControl[] = "max-age=0";
 const char kNoCacheCacheControl[] = "no-cache";
 
 struct RequestLog {
   std::string relative_url;
   std::string cache_control;
 };
 
 class ReloadCacheControlBrowserTest : public ContentBrowserTest {
  protected:
-  ReloadCacheControlBrowserTest() = default;
-  ~ReloadCacheControlBrowserTest() override = default;
-
-  void SetUpOnMainThread() override {
+  ReloadCacheControlBrowserTest() {
     // TODO(toyoshim): Tests in this file depend on current reload behavior,
     // and should be modified when we enable the new reload behavior.
     scoped_feature_list_.InitAndDisableFeature(
         features::kNonValidatingReloadOnNormalReload);
+  }
+  ~ReloadCacheControlBrowserTest() override = default;
 
+  void SetUpOnMainThread() override {
     SetUpTestServerOnMainThread();
   }
 
   void SetUpTestServerOnMainThread() {
     // ContentBrowserTest creates embedded_test_server instance with
     // a registered HandleFileRequest for "content/test/data".
     // Because the handler is registered as the first handler, MonitorHandler
     // is needed to capture all requests.
     embedded_test_server()->RegisterRequestMonitor(base::Bind(
         &ReloadCacheControlBrowserTest::MonitorRequestHandler,
@@ skipping 17 matching lines @@
   }
 
   base::test::ScopedFeatureList scoped_feature_list_;
 
   DISALLOW_COPY_AND_ASSIGN(ReloadCacheControlBrowserTest);
 };
 
 class ReloadCacheControlWithAnExperimentBrowserTest
     : public ReloadCacheControlBrowserTest {
  protected:
-  ReloadCacheControlWithAnExperimentBrowserTest() = default;
+  ReloadCacheControlWithAnExperimentBrowserTest() {
+    scoped_feature_list_.InitAndEnableFeature(
+        features::kNonValidatingReloadOnNormalReload);
+  }
   ~ReloadCacheControlWithAnExperimentBrowserTest() override = default;
 
   void SetUpOnMainThread() override {
-    scoped_feature_list_.InitAndEnableFeature(
-        features::kNonValidatingReloadOnNormalReload);
-
     SetUpTestServerOnMainThread();
   }
 
   base::test::ScopedFeatureList scoped_feature_list_;
 
   DISALLOW_COPY_AND_ASSIGN(ReloadCacheControlWithAnExperimentBrowserTest);
 };
 
 IN_PROC_BROWSER_TEST_F(ReloadCacheControlBrowserTest, NormalReload) {
   GURL url(embedded_test_server()->GetURL(kReloadTestPath));
@@ skipping 48 matching lines @@
   EXPECT_EQ(kMaxAgeCacheControl, request_log_[2].cache_control);
   EXPECT_EQ(kReloadImagePath, request_log_[3].relative_url);
   EXPECT_EQ(kNoCacheControl, request_log_[3].cache_control);
 }
 
 // TODO(toyoshim): Add another set of reload tests with DevTools open.
 
 }  // namespace
 
 }  // namespace content