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

content/renderer/rendering_benchmark.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_H_
 #define CONTENT_RENDERER_RENDERING_BENCHMARK_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 
 namespace WebKit {
 class WebViewBenchmarkSupport;
 }
 
 namespace content {
 class RenderingBenchmarkResults;
 
 class RenderingBenchmark {
  public:
   explicit RenderingBenchmark(const std::string& name);
   virtual ~RenderingBenchmark();
 
   virtual void SetUp(WebKit::WebViewBenchmarkSupport* benchmarkSupport) {}
 
-  virtual void Run(RenderingBenchmarkResults* results,
-                   WebKit::WebViewBenchmarkSupport* benchmarkSupport) = 0;
+  virtual double Run(WebKit::WebViewBenchmarkSupport* benchmarkSupport) = 0;
 
   virtual void TearDown(WebKit::WebViewBenchmarkSupport* benchmarkSupport) {}
 
   const std::string& name() { return name_; }
 
  private:
   const std::string name_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderingBenchmark);
 };
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDERING_BENCHMARK_H_