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

chrome/browser/extensions/api/desktop_capture/desktop_capture_apitest.cc

 // Copyright 2013 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 <array>
 
 #include "base/command_line.h"
 #include "base/macros.h"
 #include "base/path_service.h"
 #include "base/strings/string_number_conversions.h"
@@ skipping 133 matching lines @@
  public:
   DesktopCaptureApiTest() {
     DesktopCaptureChooseDesktopMediaFunction::
         SetPickerFactoryForTests(&picker_factory_);
   }
   ~DesktopCaptureApiTest() override {
     DesktopCaptureChooseDesktopMediaFunction::
         SetPickerFactoryForTests(NULL);
   }
 
+  void SetUpOnMainThread() override {
+    ExtensionApiTest::SetUpOnMainThread();
+    host_resolver()->AddRule("*", "127.0.0.1");
+  }
+
  protected:
   GURL GetURLForPath(const std::string& host, const std::string& path) {
     std::string port = base::UintToString(embedded_test_server()->port());
     GURL::Replacements replacements;
     replacements.SetHostStr(host);
     replacements.SetPortStr(port);
     return embedded_test_server()->GetURL(path).ReplaceComponents(replacements);
   }
 
   FakeDesktopMediaPickerFactory picker_factory_;
@@ skipping 73 matching lines @@
 }
 
 // Test is flaky http://crbug.com/301887.
 IN_PROC_BROWSER_TEST_F(DesktopCaptureApiTest, DISABLED_Delegation) {
   // Initialize test server.
   base::FilePath test_data;
   EXPECT_TRUE(PathService::Get(chrome::DIR_TEST_DATA, &test_data));
   embedded_test_server()->ServeFilesFromDirectory(test_data.AppendASCII(
       "extensions/api_test/desktop_capture_delegate"));
   ASSERT_TRUE(embedded_test_server()->Start());
-  host_resolver()->AddRule("*", embedded_test_server()->base_url().host());
 
   // Load extension.
   base::FilePath extension_path =
       test_data_dir_.AppendASCII("desktop_capture_delegate");
   const Extension* extension = LoadExtensionWithFlags(
       extension_path, ExtensionBrowserTest::kFlagNone);
   ASSERT_TRUE(extension);
 
   ui_test_utils::NavigateToURL(
       browser(), GetURLForPath("example.com", "/example.com.html"));
@@ skipping 32 matching lines @@
   EXPECT_TRUE(result);
   EXPECT_TRUE(test_flags[2].picker_created);
   EXPECT_FALSE(test_flags[2].picker_deleted);
 
   web_contents->Close();
   destroyed_watcher.Wait();
   EXPECT_TRUE(test_flags[2].picker_deleted);
 }
 
 }  // namespace extensions