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

chrome/browser/extensions/api/extension_action/browser_action_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 <stdint.h>
 
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/macros.h"
@@ skipping 105 matching lines @@
                                               icon_portion)
           .GetRepresentation(1.0f)
           .sk_bitmap()));
 }
 
 class BrowserActionApiTest : public ExtensionApiTest {
  public:
   BrowserActionApiTest() {}
   ~BrowserActionApiTest() override {}
 
+  void SetUpOnMainThread() override {
+    ExtensionApiTest::SetUpOnMainThread();
+    host_resolver()->AddRule("*", "127.0.0.1");
+  }
+
  protected:
   BrowserActionTestUtil* GetBrowserActionsBar() {
     if (!browser_action_test_util_)
       browser_action_test_util_.reset(new BrowserActionTestUtil(browser()));
     return browser_action_test_util_.get();
   }
 
   WebContents* OpenPopup(int index) {
     ResultCatcher catcher;
     content::WindowedNotificationObserver popup_observer(
@@ skipping 591 matching lines @@
       "backgroundColor);";
   std::string result;
   EXPECT_TRUE(content::ExecuteScriptAndExtractString(tab, script, &result));
   EXPECT_EQ(result, "red");
 }
 
 // Test that a browser action popup with a web iframe works correctly. This
 // primarily targets --isolate-extensions and --site-per-process modes, where
 // the iframe runs in a separate process.  See https://crbug.com/546267.
 IN_PROC_BROWSER_TEST_F(BrowserActionApiTest, BrowserActionPopupWithIframe) {
-  host_resolver()->AddRule("*", "127.0.0.1");
   ASSERT_TRUE(embedded_test_server()->Start());
 
   ASSERT_TRUE(LoadExtension(
       test_data_dir_.AppendASCII("browser_action/popup_with_iframe")));
   BrowserActionTestUtil* actions_bar = GetBrowserActionsBar();
   const Extension* extension = GetSingleLoadedExtension();
   ASSERT_TRUE(extension) << message_;
 
   // Simulate a click on the browser action to open the popup.
   ASSERT_TRUE(OpenPopup(0));
@@ skipping 78 matching lines @@
 }
 
 class NavigatingExtensionPopupBrowserTest : public BrowserActionApiTest {
  public:
   const Extension& popup_extension() { return *popup_extension_; }
   const Extension& other_extension() { return *other_extension_; }
 
   void SetUpOnMainThread() override {
     BrowserActionApiTest::SetUpOnMainThread();
 
-    host_resolver()->AddRule("*", "127.0.0.1");
     ASSERT_TRUE(embedded_test_server()->Start());
 
     // Load an extension with a pop-up.
     ASSERT_TRUE(popup_extension_ = LoadExtension(test_data_dir_.AppendASCII(
                     "browser_action/popup_with_form")));
 
     // Load another extension (that we can try navigating to).
     ASSERT_TRUE(other_extension_ = LoadExtension(test_data_dir_.AppendASCII(
                     "browser_action/popup_with_iframe")));
   }
@@ skipping 196 matching lines @@
   // The test verification below is applicable only to scenarios where the
   // download shelf is supported - on ChromeOS, instead of the download shelf,
   // there is a download notification in the right-bottom corner of the screen.
 #if !defined(OS_CHROMEOS)
   EXPECT_TRUE(browser()->window()->IsDownloadShelfVisible());
 #endif
 }
 
 }  // namespace
 }  // namespace extensions