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 d4b4c110eb842b7bc8ed4e0a3fb2b375dacb1f87..ee819349fee10c18327164bd79322560c534a7e3 100644
--- a/cc/debug/rasterize_and_record_benchmark_impl.cc
+++ b/cc/debug/rasterize_and_record_benchmark_impl.cc
@@ -133,7 +133,7 @@ void RasterizeAndRecordBenchmarkImpl::DidCompleteCommit(
       },
       CallFunctionLayerType::ALL_LAYERS);
 
-  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",
@@ -172,10 +172,11 @@ 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());