Remove PrefService::ScheduleSavePersistentPrefs and SavePersistentPrefs.

chrome/common/json_pref_store_unittest.cc

 // Copyright (c) 2011 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 "base/file_util.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop.h"
 #include "base/message_loop_proxy.h"
 #include "base/path_service.h"
@@ skipping 134 matching lines @@
                       Value::CreateStringValue(
                           base::Int64ToString(214748364842LL)));
   EXPECT_EQ(PrefStore::READ_OK, pref_store->GetValue(kLongIntPref, &actual));
   EXPECT_TRUE(actual->GetAsString(&string_value));
   int64 value;
   base::StringToInt64(string_value, &value);
   EXPECT_EQ(214748364842LL, value);
 
   // Serialize and compare to expected output.
   ASSERT_TRUE(file_util::PathExists(golden_output_file));
-  ASSERT_TRUE(pref_store->WritePrefs());
+  pref_store->CommitPendingWrite();
   MessageLoop::current()->RunAllPending();
   EXPECT_TRUE(file_util::TextContentsEqual(golden_output_file, output_file));
   ASSERT_TRUE(file_util::Delete(output_file, false));
 }
 
 TEST_F(JsonPrefStoreTest, Basic) {
   ASSERT_TRUE(file_util::CopyFile(data_dir_.AppendASCII("read.json"),
                                   temp_dir_.path().AppendASCII("write.json")));
 
   // Test that the persistent value can be loaded.
@@ skipping 71 matching lines @@
   pref_store->ReadPrefsAsync(mock_error_delegate);
 
   EXPECT_CALL(mock_observer, OnInitializationCompleted(true)).Times(1);
   EXPECT_CALL(*mock_error_delegate,
               OnError(PersistentPrefStore::PREF_READ_ERROR_NO_FILE)).Times(1);
   message_loop_.RunAllPending();
   pref_store->RemoveObserver(&mock_observer);
 
   EXPECT_FALSE(pref_store->ReadOnly());
 }