Convert //cc from scoped_ptr to std::unique_ptr.

cc/debug/invalidation_benchmark.h

Index: cc/debug/invalidation_benchmark.h
diff --git a/cc/debug/invalidation_benchmark.h b/cc/debug/invalidation_benchmark.h
index 9cd264376b84afe64e34d52d6449961447acd5b1..668a7c948e9bc075a965101f21955a13746f1ec3 100644
--- a/cc/debug/invalidation_benchmark.h
+++ b/cc/debug/invalidation_benchmark.h
@@ -21,14 +21,14 @@ class Layer;
 // measurement.
 class CC_EXPORT InvalidationBenchmark : public MicroBenchmark {
  public:
-  explicit InvalidationBenchmark(scoped_ptr<base::Value> value,
+  explicit InvalidationBenchmark(std::unique_ptr<base::Value> value,
                                  const MicroBenchmark::DoneCallback& callback);
   ~InvalidationBenchmark() override;
 
   // Implements MicroBenchmark interface.
   void DidUpdateLayers(LayerTreeHost* host) override;
   void RunOnLayer(PictureLayer* layer) override;
-  bool ProcessMessage(scoped_ptr<base::Value> value) override;
+  bool ProcessMessage(std::unique_ptr<base::Value> value) override;
 
  private:
   enum Mode { FIXED_SIZE, LAYER, VIEWPORT, RANDOM };