[components] Switch {RefCounted}ProfileKeyedService to use BrowserContext

chrome/browser/spellchecker/spellcheck_service_unittest.cc

 // Copyright (c) 2012 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 <vector>
 
 #include "base/files/scoped_temp_dir.h"
 #include "base/message_loop.h"
 #include "chrome/browser/spellchecker/spellcheck_custom_dictionary.h"
 #include "chrome/browser/spellchecker/spellcheck_factory.h"
 #include "chrome/browser/spellchecker/spellcheck_service.h"
 #include "chrome/common/spellcheck_common.h"
 #include "chrome/test/base/testing_profile.h"
 #include "content/public/test/test_browser_thread.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using content::BrowserThread;
 using chrome::spellcheck_common::WordList;
 
-static ProfileKeyedService* BuildSpellcheckService(Profile* profile) {
-  return new SpellcheckService(profile);
+static ProfileKeyedService* BuildSpellcheckService(
+    content::BrowserContext* profile) {
+  return new SpellcheckService(static_cast<Profile*>(profile));
 }
 
 class SpellcheckServiceTest : public testing::Test {
  protected:
   SpellcheckServiceTest()
       : ui_thread_(BrowserThread::UI, &message_loop_),
         file_thread_(BrowserThread::FILE, &message_loop_),
         profile_(new TestingProfile()) {
   }
 
@@ skipping 81 matching lines @@
   accept_languages.push_back("fr");
   accept_languages.push_back("aa");  // Will not exist.
   std::vector<std::string> languages;
 
   SpellcheckService::GetSpellCheckLanguagesFromAcceptLanguages(
       accept_languages, "fr", &languages);
 
   EXPECT_EQ(1U, languages.size());
   EXPECT_EQ("fr", languages[0]);
 }