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

chrome/browser/extensions/extension_dom_clipboard_apitest.cc

Index: chrome/browser/extensions/extension_dom_clipboard_apitest.cc
diff --git a/chrome/browser/extensions/extension_dom_clipboard_apitest.cc b/chrome/browser/extensions/extension_dom_clipboard_apitest.cc
index f48ce692b6536f176f5e584fd2ae707622b973dd..02706bdb8f980e050a46c1a6ddd91bdfb4d52496 100644
--- a/chrome/browser/extensions/extension_dom_clipboard_apitest.cc
+++ b/chrome/browser/extensions/extension_dom_clipboard_apitest.cc
@@ -17,6 +17,11 @@ namespace {
 
 class ClipboardApiTest : public ExtensionApiTest {
  public:
+  void SetUpOnMainThread() override {
+    ExtensionApiTest::SetUpOnMainThread();
+    host_resolver()->AddRule("*", "127.0.0.1");
+  }
+
   bool LoadHostedApp(const std::string& app_name,
                      const std::string& launch_page);
   bool ExecuteCopyInSelectedTab();
@@ -29,8 +34,6 @@ class ClipboardApiTest : public ExtensionApiTest {
 
 bool ClipboardApiTest::LoadHostedApp(const std::string& app_name,
                                      const std::string& launch_page) {
-  host_resolver()->AddRule("*", "127.0.0.1");
-
   if (!StartEmbeddedTestServer()) {
     message_ = "Failed to start test server.";
     return false;