Removed benchmark results object from rendering benchmarks, now one result per benchmark

content/renderer/rendering_benchmark_results.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 CONTENT_RENDERER_RENDERING_BENCHMARK_RESULTS_H_
-#define CONTENT_RENDERER_RENDERING_BENCHMARK_RESULTS_H_
-
-#include <string>
-
-#include "content/common/content_export.h"
-
-namespace content {
-
-class RenderingBenchmarkResults {
- public:
-  virtual ~RenderingBenchmarkResults() { }
-
-  virtual void AddResult(const std::string& benchmark_name,
-                         const std::string& result_name,
-                         const std::string& result_unit,
-                         double time) = 0;
-};
-}  // namespace content
-
-#endif  // CONTENT_RENDERER_RENDERING_BENCHMARK_RESULTS_H_