def load(uri)
      asset = environment.load(uri)
      @dependencies.merge(asset.metadata[:dependencies])
      asset
    end
def load(uri)
      asset = environment.load(uri)
      @dependencies.merge(asset.metadata[:dependencies])
      asset
    end
Public: Load Asset by AssetURI and track it as a dependency.

 uri - AssetURI

 Returns Asset.