Enables the user to select multiple languages for spellchecking (UI)

chrome/browser/spellchecker/spellcheck_service_browsertest.cc

Index: chrome/browser/spellchecker/spellcheck_service_browsertest.cc
diff --git a/chrome/browser/spellchecker/spellcheck_service_browsertest.cc b/chrome/browser/spellchecker/spellcheck_service_browsertest.cc
index 7c6eed772fc9386dc9219534dee1912c70344bdc..d5a1759d0a7e81fb310609e29c71695a692dda77 100644
--- a/chrome/browser/spellchecker/spellcheck_service_browsertest.cc
+++ b/chrome/browser/spellchecker/spellcheck_service_browsertest.cc
@@ -2,15 +2,21 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+#include "base/command_line.h"
 #include "base/path_service.h"
+#include "base/prefs/pref_member.h"
+#include "base/prefs/pref_service.h"
 #include "base/synchronization/waitable_event.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/spellchecker/spellcheck_factory.h"
 #include "chrome/browser/spellchecker/spellcheck_service.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/common/chrome_paths.h"
+#include "chrome/common/chrome_switches.h"
+#include "chrome/common/pref_names.h"
 #include "chrome/common/spellcheck_common.h"
 #include "chrome/test/base/in_process_browser_test.h"
+#include "components/user_prefs/user_prefs.h"
 #include "content/public/test/test_utils.h"
 #include "url/gurl.h"
 
@@ -41,6 +47,14 @@ class SpellcheckServiceBrowserTest : public InProcessBrowserTest {
   }
 };
 
+class MultilingualSpellcheckServiceBrowserTest : public InProcessBrowserTest {
+ public:
+  Profile* GetProfile() { return browser()->profile(); }
+  void SetUpCommandLine(base::CommandLine* command_line) override {
+    command_line->AppendSwitch(switches::kEnableMultilingualSpellChecker);
+  }
+};
+
 // Tests that we can delete a corrupted BDICT file used by hunspell. We do not
 // run this test on Mac because Mac does not use hunspell by default.
 IN_PROC_BROWSER_TEST_F(SpellcheckServiceBrowserTest, DeleteCorruptedBDICT) {
@@ -89,3 +103,32 @@ IN_PROC_BROWSER_TEST_F(SpellcheckServiceBrowserTest, DeleteCorruptedBDICT) {
     EXPECT_TRUE(base::DeleteFile(bdict_path, true));
   }
 }
+
+IN_PROC_BROWSER_TEST_F(MultilingualSpellcheckServiceBrowserTest,
+                       GetSpellCheckLanguages) {
+  BrowserContext* context = static_cast<BrowserContext*>(GetProfile());
+  PrefService* prefs = user_prefs::UserPrefs::Get(context);
+  prefs->SetString(prefs::kSpellCheckDictionaries, "fr,en-US");
+  prefs->SetString(prefs::kAcceptLanguages, "fr,en-US,en-AU");
+
+  std::vector<std::string> languages;
+  int ret = SpellcheckService::GetSpellCheckLanguages(context, &languages);
+
+  ASSERT_EQ(ret, 2);
+  ASSERT_EQ("fr", languages[0]);
+  ASSERT_EQ("en-US", languages[1]);
+  ASSERT_EQ("en-AU", languages[2]);
+}
+
+IN_PROC_BROWSER_TEST_F(SpellcheckServiceBrowserTest, GetSpellCheckLanguages) {
+  BrowserContext* context = static_cast<BrowserContext*>(GetProfile());
+  PrefService* prefs = user_prefs::UserPrefs::Get(context);
+  prefs->SetString(prefs::kSpellCheckDictionary, "fr");
+  prefs->SetString(prefs::kAcceptLanguages, "fr,en-US,en-AU");
+
+  std::vector<std::string> languages;
+  int ret = SpellcheckService::GetSpellCheckLanguages(context, &languages);
+
+  ASSERT_EQ(ret, 1);
+  ASSERT_EQ("fr", languages[0]);
+}