Added test to verify that NTP respects browser language setting.

chrome/browser/ui/search/instant_extended_interactive_uitest.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 <sstream>
 
 #include "base/command_line.h"
 #include "base/metrics/field_trial.h"
 #include "base/metrics/histogram_base.h"
 #include "base/metrics/histogram_samples.h"
 #include "base/metrics/statistics_recorder.h"
 #include "base/prefs/pref_service.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/time.h"
 #include "chrome/browser/autocomplete/autocomplete_controller.h"
 #include "chrome/browser/autocomplete/autocomplete_match.h"
 #include "chrome/browser/autocomplete/autocomplete_provider.h"
 #include "chrome/browser/autocomplete/autocomplete_result.h"
 #include "chrome/browser/autocomplete/search_provider.h"
 #include "chrome/browser/bookmarks/bookmark_model_factory.h"
 #include "chrome/browser/bookmarks/bookmark_utils.h"
+#include "chrome/browser/browser_process.h"
 #include "chrome/browser/extensions/extension_browsertest.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/favicon/favicon_tab_helper.h"
 #include "chrome/browser/history/history_db_task.h"
 #include "chrome/browser/history/history_service.h"
 #include "chrome/browser/history/history_service_factory.h"
 #include "chrome/browser/history/history_types.h"
 #include "chrome/browser/history/top_sites.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/search/instant_service.h"
@@ skipping 36 matching lines @@
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_contents_view.h"
 #include "content/public/common/bindings_policy.h"
 #include "content/public/common/renderer_preferences.h"
 #include "content/public/test/browser_test_utils.h"
 #include "content/public/test/test_utils.h"
 #include "grit/generated_resources.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "ui/base/l10n/l10n_util.h"
+#include "ui/base/resource/resource_bundle.h"
 
 using testing::HasSubstr;
 
 namespace {
 
 // Creates a bitmap of the specified color. Caller takes ownership.
 gfx::Image CreateBitmap(SkColor color) {
   SkBitmap thumbnail;
   thumbnail.setConfig(SkBitmap::kARGB_8888_Config, 4, 4);
   thumbnail.allocPixels();
@@ skipping 2799 matching lines @@
   browser()->tab_strip_model()->ActivateTabAt(0, false);
 
   // Switch back to new tab.
   browser()->tab_strip_model()->ActivateTabAt(1, false);
 
   // Confirm that new tab got no onmostvisitedchanged event.
   active_tab = browser()->tab_strip_model()->GetActiveWebContents();
   EXPECT_TRUE(UpdateSearchState(active_tab));
   EXPECT_EQ(2, on_most_visited_change_calls_);
 }
+
+// Flaky on Linux Tests bot.
+#if defined(OS_LINUX)
+#define MAYBE_NTPRespectsBrowserLanguageSetting DISABLED_NTPRespectsBrowserLanguageSetting
+#else
+#define MAYBE_NTPRespectsBrowserLanguageSetting NTPRespectsBrowserLanguageSetting
+#endif
+IN_PROC_BROWSER_TEST_F(InstantExtendedTest,
+                       MAYBE_NTPRespectsBrowserLanguageSetting) {

[Jered, 2013/06/19 22:29:32]

Put this test in local_ntp_browsertest.

[kmadhusu, 2013/06/21 18:27:58]

Done.

+  std::string default_locale = g_browser_process->GetApplicationLocale();
+  EXPECT_EQ("en-US", default_locale);

[Jered, 2013/06/19 22:29:32]

Why do we need to test the default locale?

[kmadhusu, 2013/06/21 18:27:58]

Before loading "fr" as application locale, I wanted to make sure the default
locale is not "fr".

+
+  // Switch browser language.
+  std::string loaded_locale =
+      ui::ResourceBundle::GetSharedInstance().ReloadLocaleResources("fr");
+  EXPECT_EQ("fr", loaded_locale);
+  g_browser_process->SetApplicationLocale(loaded_locale);
+  PrefService* prefs = g_browser_process->local_state();
+  prefs->SetString(prefs::kApplicationLocale, loaded_locale);
+
+  // Setup Instant.
+  ASSERT_NO_FATAL_FAILURE(SetupInstant(browser()));
+
+  // The second argument says to use only the local overlay and NTP.
+  instant()->SetInstantEnabled(false, true);
+  FocusOmniboxAndWaitForInstantOverlayAndNTPSupport();
+
+  // Open a new tab.
+  ui_test_utils::NavigateToURLWithDisposition(
+      browser(),
+      GURL(chrome::kChromeUINewTabURL),
+      NEW_FOREGROUND_TAB,
+      ui_test_utils::BROWSER_TEST_WAIT_FOR_TAB);
+
+  // Verify that the NTP is in French.
+  content::WebContents* active_tab =
+      browser()->tab_strip_model()->GetActiveWebContents();
+  EXPECT_EQ(ASCIIToUTF16("Nouvel onglet"), active_tab->GetTitle());
+}