Files
wbamberg 37cb9f7a84 Improve content script injection (#240)
* Improve content script injection

* Add an error handler for content script injection

* Use a guard variable in the content script, instead

* Fix comment

* Ensure tabID is unchanged; fix image styles

* Only inject script once; use CSS to hide page

* Display an error when the script can't be executed; document other limitations

* Log error on script execute failure
2017-11-01 11:25:34 -07:00
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