Moved JsonPrefStore to use SequencedWorkerPool

chrome/browser/extensions/extension_prefs_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 "extension_prefs_unittest.h"
 
 #include "base/basictypes.h"
 #include "base/path_service.h"
 #include "base/prefs/public/pref_change_registrar.h"
 #include "base/scoped_temp_dir.h"
@@ skipping 35 matching lines @@
 
 namespace extensions {
 
 static void AddPattern(URLPatternSet* extent, const std::string& pattern) {
   int schemes = URLPattern::SCHEME_ALL;
   extent->AddPattern(URLPattern(schemes, pattern));
 }
 
 ExtensionPrefsTest::ExtensionPrefsTest()
     : ui_thread_(BrowserThread::UI, &message_loop_),
-      file_thread_(BrowserThread::FILE, &message_loop_) {
+      prefs_(message_loop_.message_loop_proxy()) {
 }
 
-ExtensionPrefsTest::~ExtensionPrefsTest() {}
+ExtensionPrefsTest::~ExtensionPrefsTest() {
+}
 
 void ExtensionPrefsTest::RegisterPreferences() {}
 
 void ExtensionPrefsTest::SetUp() {
   RegisterPreferences();
   Initialize();
 }
 
 void ExtensionPrefsTest::TearDown() {
   Verify();
 
   // Reset ExtensionPrefs, and re-verify.
   prefs_.RecreateExtensionPrefs();
   RegisterPreferences();
   Verify();
+  prefs_.pref_service()->CommitPendingWrite();
+  message_loop_.RunUntilIdle();
 }
 
 // Tests the LastPingDay/SetLastPingDay functions.
 class ExtensionPrefsLastPingDay : public ExtensionPrefsTest {
  public:
   ExtensionPrefsLastPingDay()
       : extension_time_(Time::Now() - TimeDelta::FromHours(4)),
         blacklist_time_(Time::Now() - TimeDelta::FromHours(2)) {}
 
   virtual void Initialize() {
@@ skipping 1198 matching lines @@
     EXPECT_EQ(string16(), error16);
     EXPECT_TRUE(prefs()->UserMayModifySettings(extension_.get(), &error16));
     EXPECT_EQ(string16(), error16);
     EXPECT_FALSE(prefs()->MustRemainEnabled(extension_.get(), &error16));
     EXPECT_EQ(string16(), error16);
   }
 };
 TEST_F(ExtensionPrefsNotRequiredExtension, NotRequiredExtension) {}
 
 }  // namespace extensions