Update some host_resolver()->AddRules in chrome/browser.

chrome/browser/net/cookie_policy_browsertest.cc

 // Copyright (c) 2012 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 "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/macros.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/test/base/in_process_browser_test.h"
 #include "chrome/test/base/ui_test_utils.h"
 #include "components/content_settings/core/browser/host_content_settings_map.h"
 #include "components/content_settings/core/common/pref_names.h"
 #include "components/prefs/pref_service.h"
 #include "content/public/test/browser_test_utils.h"
 #include "net/dns/mock_host_resolver.h"
 #include "net/test/embedded_test_server/embedded_test_server.h"
 
 using content::BrowserThread;
 
 namespace {
 
 class CookiePolicyBrowserTest : public InProcessBrowserTest {
  protected:
   CookiePolicyBrowserTest() {}
 
+  void SetUpOnMainThread() override {
+    host_resolver()->AddRule("*", "127.0.0.1");
+  }
+
  private:
   DISALLOW_COPY_AND_ASSIGN(CookiePolicyBrowserTest);
 };
 
 // Visits a page that sets a first-party cookie.
 IN_PROC_BROWSER_TEST_F(CookiePolicyBrowserTest, AllowFirstPartyCookies) {
   ASSERT_TRUE(embedded_test_server()->Start());
 
   browser()->profile()->GetPrefs()->SetBoolean(prefs::kBlockThirdPartyCookies,
                                                true);
@@ skipping 26 matching lines @@
   // changed when we follow a redirect.
   ASSERT_EQ("127.0.0.1", redirected_url.host());
   GURL::Replacements replacements;
   replacements.SetHostStr("www.example.com");
   redirected_url = redirected_url.ReplaceComponents(replacements);
 
   std::string cookie =
       content::GetCookies(browser()->profile(), redirected_url);
   ASSERT_EQ("", cookie);
 
-  host_resolver()->AddRule("www.example.com", "127.0.0.1");
-
   ui_test_utils::NavigateToURL(browser(),
                                GURL(url.spec() + redirected_url.spec()));
 
   cookie = content::GetCookies(browser()->profile(), redirected_url);
   EXPECT_EQ("cookie2", cookie);
 }
 
 }  // namespace