Fix coding style in src/core/chunked_stream.js
Fix coding style in src/core/core.js
Fix coding style in src/core/font_renderer.js
Fix coding style in src/core/worker.js
Fix coding style in src/core/stream.js
Fix coding style in extensions/firefox/tools/l10n.js
Fix coding style in extensions/firefox/bootstrap.js
Merge pull request #4508 from Snuffleupagus/extension-firefox-braces

Fix coding style in extensions/firefox
Merge pull request #4507 from Snuffleupagus/src-core-braces

Fix coding style in src/core