cc: Renaming Rasterizer and RasterWorkerPool interfaces

cc/resources/picture_pile.cc

Index: cc/resources/picture_pile.cc
diff --git a/cc/resources/picture_pile.cc b/cc/resources/picture_pile.cc
index c3050c311563dbc55e7e053b7539954ae734486e..d1ae11891a4fd8e18af4487affe18266b4cc3e58 100644
--- a/cc/resources/picture_pile.cc
+++ b/cc/resources/picture_pile.cc
@@ -545,7 +545,7 @@ void PicturePile::CreatePictures(ContentLayerClient* painter,
     // raster thread doesn't provide any benefit. This might change
     // in the future but we avoid it for now to reduce the cost of
     // Picture::Create.
-    bool gather_pixel_refs = RasterWorkerPool::GetNumRasterThreads() > 1;
+    bool gather_pixel_refs = TileTaskWorkerPool::GetNumRasterThreads() > 1;
 
     for (int i = 0; i < repeat_count; i++) {
       picture = Picture::Create(padded_record_rect, painter, tile_grid_info_,