Random clean up in c/b/cros/drive.

chrome/browser/google_apis/test_util.h

 // 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.
 
 #ifndef CHROME_BROWSER_GOOGLE_APIS_TEST_UTIL_H_
 #define CHROME_BROWSER_GOOGLE_APIS_TEST_UTIL_H_
 
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 269 matching lines @@
       internal::OutputParams<T1, T2, T3, T4>(out1, out2, out3, out4));
 }
 
 typedef std::pair<int64, int64> ProgressInfo;
 
 // Helper utility for recording the results via ProgressCallback.
 void AppendProgressCallbackResult(std::vector<ProgressInfo>* progress_values,
                                   int64 progress,
                                   int64 total);
 
-// Helpeer utility for recording the content via GetContentCallback.
+// Helper utility for recording the content via GetContentCallback.
 class TestGetContentCallback {
  public:
   TestGetContentCallback();
   ~TestGetContentCallback();
 
   const GetContentCallback& callback() const { return callback_; }
   const ScopedVector<std::string>& data() const { return data_; }
   ScopedVector<std::string>* mutable_data() { return &data_; }
   std::string GetConcatenatedData() const;
 
  private:
   void OnGetContent(google_apis::GDataErrorCode error,
                     scoped_ptr<std::string> data);
 
   const GetContentCallback callback_;
   ScopedVector<std::string> data_;
 
   DISALLOW_COPY_AND_ASSIGN(TestGetContentCallback);
 };
 
 }  // namespace test_util
 }  // namespace google_apis
 
 #endif  // CHROME_BROWSER_GOOGLE_APIS_TEST_UTIL_H_