Extract testing utility TestGetContentCallback.

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>
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/memory/scoped_ptr.h"
+#include "base/memory/scoped_vector.h"
 #include "base/template_util.h"
+#include "chrome/browser/google_apis/base_operations.h"
 #include "chrome/browser/google_apis/gdata_errorcode.h"
 
 class GURL;
 
 namespace base {
 class FilePath;
 class Value;
 }
 
 namespace google_apis {
@@ skipping 241 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.
+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_