Properly decode IDN in interstitials

chrome/browser/ssl/captive_portal_blocking_page_browsertest.cc

 // Copyright 2015 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 "chrome/browser/ssl/captive_portal_blocking_page.h"
 
 #include <string>
 
 #include "base/callback.h"
 #include "base/logging.h"
 #include "base/macros.h"
 #include "base/prefs/pref_service.h"
 #include "base/strings/stringprintf.h"
+#include "chrome/browser/interstitials/security_interstitial_page_test_utils.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/test/base/in_process_browser_test.h"
 #include "components/captive_portal/captive_portal_detector.h"
 #include "content/public/browser/interstitial_page.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/test/browser_test_utils.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "url/gurl.h"
 
+using chrome_browser_interstitials::IsInterstitialDisplayingText;
+
 namespace {
 // Partial text in the captive portal interstitial's main paragraph when the
 // login domain isn't displayed.
 const char kGenericLoginURLText[] = "its login page";
 const char kBrokenSSL[] = "https://broken.ssl";
 const char kWiFiSSID[] = "WiFiSSID";
 
-// Returns true if the interstitial contains |text| in its body.
-bool IsInterstitialDisplayingText(content::InterstitialPage* interstitial,
-                                  const std::string& text) {
-  // It's valid for |text| to contain "\'", but simply look for "'" instead
-  // since this function is used for searching host names and a predefined
-  // string.
-  DCHECK(text.find("\'") == std::string::npos);
-  std::string command = base::StringPrintf(
-      "var hasText = document.body.textContent.indexOf('%s') >= 0;"
-      "window.domAutomationController.send(hasText ? 1 : 0);",
-      text.c_str());
-  int result = 0;
-  EXPECT_TRUE(content::ExecuteScriptAndExtractInt(
-      interstitial->GetMainFrame(), command, &result));
-  return result == 1;
-}
-
 enum ExpectWiFi {
   EXPECT_WIFI_NO,
   EXPECT_WIFI_YES
 };
 
 enum ExpectWiFiSSID {
   EXPECT_WIFI_SSID_NO,
   EXPECT_WIFI_SSID_YES
 };
 
@@ skipping 179 matching lines @@
   const char kHostnameJSUnicode[] =
       "\\u043f\\u0440\\u0435\\u0437\\u0438\\u0434\\u0435\\u043d\\u0442."
       "\\u0440\\u0444";
   std::string landing_url_spec =
       base::StringPrintf("http://%s/landing_url", kHostname);
   GURL landing_url(landing_url_spec);
 
   TestInterstitial(false, "", landing_url, EXPECT_WIFI_NO, EXPECT_WIFI_SSID_NO,
                    EXPECT_LOGIN_URL_YES, kHostnameJSUnicode);
 }