ChromeOS NetworkScreenHandler should not call CheckAndResolveLocale on UI thread.

chrome/browser/chromeos/login/wizard_controller_browsertest.cc

Index: chrome/browser/chromeos/login/wizard_controller_browsertest.cc
diff --git a/chrome/browser/chromeos/login/wizard_controller_browsertest.cc b/chrome/browser/chromeos/login/wizard_controller_browsertest.cc
index 826704b511ebc80910d3df57dcee490e1637929a..a11ea2d128a1527d2d7039f4beb2ac3def5279fb 100644
--- a/chrome/browser/chromeos/login/wizard_controller_browsertest.cc
+++ b/chrome/browser/chromeos/login/wizard_controller_browsertest.cc
@@ -120,21 +120,15 @@ class PrefStoreStub : public TestingPrefStore {
 };
 
 struct SwitchLanguageTestData {
-  SwitchLanguageTestData() : success(false), done(false) {}
+  SwitchLanguageTestData() : done(false) {}
 
-  std::string requested_locale;
-  std::string loaded_locale;
-  bool success;
+  scoped_ptr<locale_util::LanguageSwitchResult> result;
   bool done;
 };
 
 void OnLocaleSwitched(SwitchLanguageTestData* self,
-                      const std::string& locale,
-                      const std::string& loaded_locale,
-                      const bool success) {
-  self->requested_locale = locale;
-  self->loaded_locale = loaded_locale;
-  self->success = success;
+                      scoped_ptr<locale_util::LanguageSwitchResult> result) {
+  self->result.reset(result.release());
   self->done = true;
 }
 
@@ -151,9 +145,10 @@ void RunSwitchLanguageTest(const std::string& locale,
   content::RunAllBlockingPoolTasksUntilIdle();
 
   EXPECT_EQ(data.done, true);
-  EXPECT_EQ(data.requested_locale, locale);
-  EXPECT_EQ(data.loaded_locale, expected_locale);
-  EXPECT_EQ(data.success, expect_success);
+  ASSERT_TRUE(data.result.get());
+  EXPECT_EQ(data.result->requested_locale, locale);
+  EXPECT_EQ(data.result->loaded_locale, expected_locale);
+  EXPECT_EQ(data.result->success, expect_success);
 }
 
 void SetUpCrasAndEnableChromeVox(int volume_percent, bool mute_on) {