cc: Add rasterize and record micro benchmark.

cc/debug/rasterize_and_record_benchmark.h

+// Copyright 2013 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 CC_DEBUG_RASTERIZE_AND_RECORD_BENCHMARK_H_
+#define CC_DEBUG_RASTERIZE_AND_RECORD_BENCHMARK_H_
+
+#include <map>
+#include <utility>
+#include <vector>
+
+#include "base/memory/weak_ptr.h"
+#include "base/time/time.h"
+#include "cc/debug/micro_benchmark_controller.h"
+
+namespace base {
+class DictionaryValue;
+}
+
+namespace cc {
+
+class LayerTreeHost;
+class Layer;
+class RasterizeAndRecordBenchmark : public MicroBenchmark {
+ public:
+  explicit RasterizeAndRecordBenchmark(
+      scoped_ptr<base::Value> value,
+      const MicroBenchmark::DoneCallback& callback);
+  virtual ~RasterizeAndRecordBenchmark();
+
+  // Implements MicroBenchmark interface.
+  virtual void DidUpdateLayers(LayerTreeHost* host) OVERRIDE;
+  virtual void RunOnLayer(PictureLayer* layer) OVERRIDE;
+
+  virtual scoped_ptr<MicroBenchmarkImpl> CreateBenchmarkImpl(
+      scoped_refptr<base::MessageLoopProxy> origin_loop) OVERRIDE;
+
+ private:
+  void Run(Layer* layer);
+
+  void RecordRasterResults(scoped_ptr<base::Value> results);
+
+  struct RecordResults {
+    RecordResults();
+    ~RecordResults();
+
+    int pixels_recorded;
+    base::TimeDelta total_best_time;
+  };
+
+  RecordResults record_results_;
+  int record_repeat_count_;
+  scoped_ptr<base::Value> settings_;
+  scoped_ptr<base::DictionaryValue> results_;
+
+  // The following is used in DCHECKs.
+  bool main_thread_benchmark_done_;
+
+  LayerTreeHost* host_;
+
+  base::WeakPtrFactory<RasterizeAndRecordBenchmark> weak_ptr_factory_;
+};
+
+}  // namespace cc
+
+#endif  // CC_DEBUG_RASTERIZE_AND_RECORD_BENCHMARK_H_