color: Remove implied color space

cc/tiles/tile_manager.cc

Index: cc/tiles/tile_manager.cc
diff --git a/cc/tiles/tile_manager.cc b/cc/tiles/tile_manager.cc
index e43fce7b0398205875253c2cc0a38f338bae1e31..3f7e873809a9f52f1c62d05fce097ad8c8cce6d6 100644
--- a/cc/tiles/tile_manager.cc
+++ b/cc/tiles/tile_manager.cc
@@ -856,12 +856,10 @@ void TileManager::ScheduleTasks(
     DCHECK(tile->draw_info().requires_resource());
     DCHECK(!tile->draw_info().resource());
 
-    if (!tile->raster_task_)
-      tile->raster_task_ = CreateRasterTask(
-          prioritized_tile,
-          prioritized_tile.raster_source()->HasImpliedColorSpace()
-              ? prioritized_tile.raster_source()->GetImpliedColorSpace()
-              : target_color_space);
+    if (!tile->raster_task_) {
+      tile->raster_task_ =
+          CreateRasterTask(prioritized_tile, target_color_space);
+    }
 
     TileTask* task = tile->raster_task_.get();