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

chrome/browser/ui/content_settings/content_setting_bubble_model_browsertest.cc

 // Copyright 2014 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 <vector>
 
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/test/histogram_tester.h"
@@ skipping 64 matching lines @@
   EXPECT_FALSE(GetActiveTabSpecificContentSettings()->IsContentBlocked(
       CONTENT_SETTINGS_TYPE_MIXEDSCRIPT));
 }
 
 class ContentSettingsMixedScriptIgnoreCertErrorsTest
     : public ContentSettingBubbleModelMixedScriptTest {
  protected:
   void SetUpCommandLine(base::CommandLine* command_line) override {
     command_line->AppendSwitch(switches::kIgnoreCertificateErrors);
   }
+
+  void SetUpOnMainThread() override {
+    ContentSettingBubbleModelMixedScriptTest::SetUpOnMainThread();
+    // Rappor treats local hostnames a little bit special (e.g. records
+    // "127.0.0.1" as "localhost"), so use a non-local hostname for
+    // convenience.
+    host_resolver()->AddRule("*", "127.0.0.1");
+  }
 };
 
 // Tests that a MIXEDSCRIPT type ContentSettingBubbleModel records UMA
 // and Rappor metrics when the content is allowed to run.
 //
 // This test fixture sets up the browser to ignore certificate errors,
 // so that a non-matching, non-local hostname can be used for the
 // test. This is because Rappor treats local hostnames as slightly
 // special, so it's a little nicer to test with a non-local hostname.
 IN_PROC_BROWSER_TEST_F(ContentSettingsMixedScriptIgnoreCertErrorsTest,
                        MainFrameMetrics) {
   GURL url(https_server_->GetURL("/content_setting_bubble/mixed_script.html"));
 
-  // Rappor treats local hostnames a little bit special (e.g. records
-  // "127.0.0.1" as "localhost"), so use a non-local hostname for
-  // convenience.
-  host_resolver()->AddRule("*", "127.0.0.1");
   GURL::Replacements replace_host;
   replace_host.SetHostStr("example.test");
   url = url.ReplaceComponents(replace_host);
 
   rappor::TestRapporServiceImpl rappor_service;
   EXPECT_EQ(0, rappor_service.GetReportsCount());
   base::HistogramTester histograms;
   histograms.ExpectTotalCount("ContentSettings.MixedScript", 0);
 
   // Load a page with mixed content and do quick verification by looking at
@@ skipping 163 matching lines @@
         content_settings::POPUPS_ACTION_CLICKED_MANAGE_POPUPS_BLOCKING, 1);
 
   model->OnRadioClicked(model->kAllowButtonIndex);
   delete model.release();
   histograms.ExpectBucketCount(
         "ContentSettings.Popups",
         content_settings::POPUPS_ACTION_SELECTED_ALWAYS_ALLOW_POPUPS_FROM, 1);
 
   histograms.ExpectTotalCount("ContentSettings.Popups", 5);
 }