Allow one-copy task tile worker pool to use compressed textures.

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 9804da00fb6b93eeb4875904a5890d7bce320bde..6ae1235279d3318011ee4ed6dacb7fe3971fa505 100644
--- a/cc/tiles/tile_manager.cc
+++ b/cc/tiles/tile_manager.cc
@@ -796,8 +796,6 @@ scoped_refptr<RasterTask> TileManager::CreateRasterTask(
   if (resource) {
     resource_content_id = tile->invalidated_id();
     DCHECK_EQ(DetermineResourceFormat(tile), resource->format());
-    DCHECK_EQ(tile->desired_texture_size().ToString(),
-              resource->size().ToString());
   } else {
     resource = resource_pool_->AcquireResource(tile->desired_texture_size(),
                                                DetermineResourceFormat(tile));