Moved JsonPrefStore to use SequencedWorkerPool

chrome/service/cloud_print/connector_settings_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 "chrome/service/cloud_print/connector_settings.h"
 
 #include <string>
 
 #include "base/file_util.h"
 #include "base/message_loop.h"
 #include "base/message_loop_proxy.h"
+#include "base/threading/sequenced_worker_pool.h"
 #include "base/scoped_temp_dir.h"
 #include "base/values.h"
 #include "chrome/service/service_process_prefs.h"
 
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 const char kServiceStateContent[] =
     "{"
     "   'cloud_print': {"
@@ skipping 12 matching lines @@
     "       ],"
     "      'print_system_settings': {"
     "         'delete_on_enum_fail' : true"
     "       }"
     "   }"
     "}";
 
 
 class ConnectorSettingsTest : public testing::Test {
  protected:
-  virtual void SetUp() {
+  virtual void SetUp() OVERRIDE {
     ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
+    blocking_pool_ = new base::SequencedWorkerPool(1, "TestBlocking");
     message_loop_proxy_ = base::MessageLoopProxy::current();
   }
 
+  virtual void TearDown() OVERRIDE {
+    blocking_pool_->Shutdown();
+  }
+
   ServiceProcessPrefs* CreateTestFile(const char* json) {
     FilePath file_name = temp_dir_.path().AppendASCII("file.txt");
     file_util::Delete(file_name, false);
     if (json) {
       std::string content = json;
       std::replace(content.begin(), content.end(), '\'', '"');
       file_util::WriteFile(file_name, content.c_str(), content.size());
     }
     ServiceProcessPrefs* prefs =
-        new ServiceProcessPrefs(file_name, message_loop_proxy_.get());
+        new ServiceProcessPrefs(file_name, blocking_pool_);
     prefs->ReadPrefs();
     return prefs;
   }
 
   ScopedTempDir temp_dir_;
   MessageLoop message_loop_;
   scoped_refptr<base::MessageLoopProxy> message_loop_proxy_;
+  scoped_refptr<base::SequencedWorkerPool> blocking_pool_;
 };
 
 TEST_F(ConnectorSettingsTest, InitFromEmpty) {
   const char* const kEmptyJSons[] = {
     NULL,
     "{}",
     "{'foo': []}",
     "{'foo',,}",
   };
   for (size_t i = 0; i < arraysize(kEmptyJSons); ++i) {
@@ skipping 35 matching lines @@
 
   EXPECT_EQ(settings1.server_url(), settings2.server_url());
   EXPECT_EQ(settings1.proxy_id(), settings2.proxy_id());
   EXPECT_EQ(settings1.delete_on_enum_fail(), settings2.delete_on_enum_fail());
   EXPECT_EQ(settings1.print_system_settings()->size(),
             settings2.print_system_settings()->size());
   EXPECT_EQ(settings1.connect_new_printers(), settings2.connect_new_printers());
   EXPECT_TRUE(settings2.IsPrinterBlacklisted("prn1"));
 }