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

cc/debug/rasterize_and_record_benchmark_impl.cc

Index: cc/debug/rasterize_and_record_benchmark_impl.cc
diff --git a/cc/debug/rasterize_and_record_benchmark_impl.cc b/cc/debug/rasterize_and_record_benchmark_impl.cc
index f44ba0809f21320a83a0b9f81e56834a57d4546f..7264d5cf9ee1270c789d5f8c1c5791be01fbde78 100644
--- a/cc/debug/rasterize_and_record_benchmark_impl.cc
+++ b/cc/debug/rasterize_and_record_benchmark_impl.cc
@@ -131,7 +131,7 @@ void RasterizeAndRecordBenchmarkImpl::DidCompleteCommit(
         layer->RunMicroBenchmark(this);
       });
 
-  scoped_ptr<base::DictionaryValue> result(new base::DictionaryValue());
+  std::unique_ptr<base::DictionaryValue> result(new base::DictionaryValue());
   result->SetDouble("rasterize_time_ms",
                     rasterize_results_.total_best_time.InMillisecondsF());
   result->SetDouble("total_pictures_in_pile_size",
@@ -170,10 +170,11 @@ void RasterizeAndRecordBenchmarkImpl::RunOnLayer(PictureLayerImpl* layer) {
   // it takes to rasterize content. As such, the actual settings used here don't
   // really matter.
   const LayerTreeSettings& settings = layer->layer_tree_impl()->settings();
-  scoped_ptr<PictureLayerTilingSet> tiling_set = PictureLayerTilingSet::Create(
-      layer->GetTree(), &client, settings.tiling_interest_area_padding,
-      settings.skewport_target_time_in_seconds,
-      settings.skewport_extrapolation_limit_in_content_pixels);
+  std::unique_ptr<PictureLayerTilingSet> tiling_set =
+      PictureLayerTilingSet::Create(
+          layer->GetTree(), &client, settings.tiling_interest_area_padding,
+          settings.skewport_target_time_in_seconds,
+          settings.skewport_extrapolation_limit_in_content_pixels);
 
   PictureLayerTiling* tiling =
       tiling_set->AddTiling(1.f, layer->GetRasterSource());