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

chrome/browser/extensions/lazy_background_page_apitest.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 <stddef.h>
 
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/macros.h"
 #include "base/path_service.h"
@@ skipping 92 matching lines @@
   }
 
   void SetUpCommandLine(base::CommandLine* command_line) override {
     ExtensionApiTest::SetUpCommandLine(command_line);
     // Disable background network activity as it can suddenly bring the Lazy
     // Background Page alive.
     command_line->AppendSwitch(::switches::kDisableBackgroundNetworking);
     command_line->AppendSwitch(::switches::kNoProxyServer);
   }
 
+  void SetUpOnMainThread() override {
+    ExtensionApiTest::SetUpOnMainThread();
+    host_resolver()->AddRule("*", "127.0.0.1");
+  }
+
   // Loads the extension, which temporarily starts the lazy background page
   // to dispatch the onInstalled event. We wait until it shuts down again.
   const Extension* LoadExtensionAndWait(const std::string& test_name) {
     LazyBackgroundObserver page_complete;
     base::FilePath extdir = test_data_dir_.AppendASCII("lazy_background_page").
         AppendASCII(test_name);
     const Extension* extension = LoadExtension(extdir);
     if (extension)
       page_complete.Wait();
     return extension;
@@ skipping 154 matching lines @@
       browser()->tab_strip_model()->active_index(), TabStripModel::CLOSE_NONE);
   page_complete.Wait();
 
   // Lazy Background Page has been shut down.
   EXPECT_FALSE(IsBackgroundPageAlive(last_loaded_extension_id()));
 }
 
 // Tests that the lazy background page stays alive until all network requests
 // are complete.
 IN_PROC_BROWSER_TEST_F(LazyBackgroundPageApiTest, WaitForRequest) {
-  host_resolver()->AddRule("*", "127.0.0.1");
   ASSERT_TRUE(StartEmbeddedTestServer());
 
   LazyBackgroundObserver page_complete;
   ResultCatcher catcher;
   base::FilePath extdir = test_data_dir_.AppendASCII("lazy_background_page").
       AppendASCII("wait_for_request");
   const Extension* extension = LoadExtension(extdir);
   ASSERT_TRUE(extension);
   EXPECT_TRUE(catcher.GetNextResult()) << catcher.message();
 
@@ skipping 331 matching lines @@
 // TODO: background page with timer.
 // TODO: background page that interacts with popup.
 
 // Test class to allow test cases to run in --isolate-extensions mode.
 class LazyBackgroundPageIsolatedExtensionsApiTest
     : public LazyBackgroundPageApiTest {
  public:
   LazyBackgroundPageIsolatedExtensionsApiTest() {}
   ~LazyBackgroundPageIsolatedExtensionsApiTest() override {}
 
-  void SetUpInProcessBrowserTestFixture() override {
-    LazyBackgroundPageApiTest::SetUpInProcessBrowserTestFixture();
+  void SetUpOnMainThread() override {
+    LazyBackgroundPageApiTest::SetUpOnMainThread();
 
     // This is needed to allow example.com to actually resolve and load in
     // tests.
     host_resolver()->AddRule("*", "127.0.0.1");
   }
 
   void SetUpCommandLine(base::CommandLine* command_line) override {
     LazyBackgroundPageApiTest::SetUpCommandLine(command_line);
     command_line->AppendSwitch(switches::kIsolateExtensions);
   }
 
  private:
   DISALLOW_COPY_AND_ASSIGN(LazyBackgroundPageIsolatedExtensionsApiTest);
 };
 
 // Ensure that the events page of an extension is properly torn down and the
 // process does not linger around when running in --isolate-extensions mode.
 // See https://crbug.com/612668.
 IN_PROC_BROWSER_TEST_F(LazyBackgroundPageIsolatedExtensionsApiTest,
                        EventProcessCleanup) {
   ASSERT_TRUE(LoadExtensionAndWait("event_page_with_web_iframe"));
 
   // Lazy Background Page doesn't exist anymore.
   EXPECT_FALSE(IsBackgroundPageAlive(last_loaded_extension_id()));
 }
 
 }  // namespace extensions