cc: Rename DisplayListRasterSource to just RasterSource.

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 d2999c5ec223756f9e25ad875873c793937ae639..438acd833022ecd6fc5a05dfd0a01a687213be0b 100644
--- a/cc/debug/rasterize_and_record_benchmark_impl.cc
+++ b/cc/debug/rasterize_and_record_benchmark_impl.cc
@@ -25,7 +25,7 @@ namespace {
 
 const int kDefaultRasterizeRepeatCount = 100;
 
-void RunBenchmark(DisplayListRasterSource* raster_source,
+void RunBenchmark(RasterSource* raster_source,
                   const gfx::Rect& content_rect,
                   float contents_scale,
                   size_t repeat_count,
@@ -179,7 +179,7 @@ void RasterizeAndRecordBenchmarkImpl::RunOnLayer(PictureLayerImpl* layer) {
       tiling_set->AddTiling(1.f, layer->GetRasterSource());
   tiling->set_resolution(HIGH_RESOLUTION);
   tiling->CreateAllTilesForTesting();
-  DisplayListRasterSource* raster_source = tiling->raster_source().get();
+  RasterSource* raster_source = tiling->raster_source().get();
   for (PictureLayerTiling::CoverageIterator it(tiling, 1.f,
                                                layer->visible_layer_rect());
        it; ++it) {
@@ -204,7 +204,7 @@ void RasterizeAndRecordBenchmarkImpl::RunOnLayer(PictureLayerImpl* layer) {
     rasterize_results_.total_best_time += min_time;
   }
 
-  const DisplayListRasterSource* layer_raster_source = layer->GetRasterSource();
+  const RasterSource* layer_raster_source = layer->GetRasterSource();
   rasterize_results_.total_memory_usage +=
       layer_raster_source->GetPictureMemoryUsage();
 }