Add EXTENSION_ID to app-wide constants.ls
Host rendererScript.ls in karma so that fixtures can load renderer.
Adds rendererScript and doctype definition to all renderer-html fixtures.
Add rendererScript in webpack & manifest.
Typo fix in console.log
Let renderer communicate with rendererScript in its @iframe
Remove Bluebird in SerializableEvent to make the rendererScript smaller
Add align-self to computed-style blacklist because a visible change to this value can be detected using rect
Add Chrome Canary to test and make it happy
Simulate cross-origin scenario in RenderGraphSpec as well
Make sure that renderer.applyHTML is not called before we fetch the old-event-target from renderer.