Retire unnecessary ScriptStreamer back reference from SourceStream.

Passing along the ScriptStreamer reference when needed is simpler.

R=marja
BUG=

Review URL: https://codereview.chromium.org/829313004

git-svn-id: svn://svn.chromium.org/blink/trunk@188140 bbb929c8-8fbe-4397-9dbb-9b2b20218538
1 file changed
tree: e5b5ed66ce1fb1e749a2f42883497da8dc6ad837
  1. third_party/