Make it clear what last_sync_timestamp actually tracks. Update

chrome/browser/importer/firefox_importer_unittest_utils.h

 // Copyright (c) 2009 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.
 
 #ifndef CHROME_BROWSER_IMPORTER_FIREFOX_IMPORTER_UNITTEST_UTILS_H_
 #define CHROME_BROWSER_IMPORTER_FIREFOX_IMPORTER_UNITTEST_UTILS_H_
 
 #include "base/basictypes.h"
 #include "base/process_util.h"
 #include "base/scoped_ptr.h"
@@ skipping 26 matching lines @@
   bool Setup(const std::wstring& nss_path);
 
   // This match the parallel functions in NSSDecryptor.
   bool DecryptorInit(const std::wstring& dll_path, const std::wstring& db_path);
   string16 Decrypt(const std::string& crypt);
 
  private:
 #if defined(OS_MACOSX)
   // Blocks until either a timeout is reached, or until the client process
   // responds to an IPC message.
-  // Returns true if a reply was recieved successfully and false if the
+  // Returns true if a reply was received successfully and false if the
   // the operation timed out.
   bool WaitForClientResponse();
 
   base::ProcessHandle child_process_;
   scoped_ptr<IPC::Channel> channel_;
   scoped_ptr<FFDecryptorServerChannelListener> listener_;
   scoped_ptr<MessageLoopForIO> message_loop_;
 #else
   NSSDecryptor decryptor_;
 #endif  // !OS_MACOSX
@@ skipping 17 matching lines @@
     const std::wstring& db_path) {
   return decryptor_.Init(dll_path, db_path);
 }
 
 string16 FFUnitTestDecryptorProxy::Decrypt(const std::string& crypt) {
   return decryptor_.Decrypt(crypt);
 }
 #endif  // !OS_MACOSX
 
 #endif  // CHROME_BROWSER_IMPORTER_FIREFOX_IMPORTER_UNITTEST_UTILS_H_