Uncaught SecurityError: Blocked a frame with origin X from accessing a frame with origin Y

I writing the plugin to chrome similar to gmail-chrome-extension-boilerplate and get the following error:

gmail.js:10 Uncaught SecurityError: Blocked a frame with origin "https://mail.google.com" from accessing a frame with origin "https://contacts.google.com". Protocols, domains, and ports must match.Gmail_ 
@ gmail.js:10(anonymous function) 
@ gmail.js:10main 

after the steps:

• Install chrome extension similar to gmail-chrome-extension-boilerplate
• Navigate to gmail
• Click contacts
• From contacts click on any email to open compose screen in a frame
• Error is in console and script is not loaded

Temporary workaround (at least to load script and do not break main.js) is to surround the block of code with try/catch:

try {
api.tracker.globals   = typeof GLOBALS !== 'undefined' ? GLOBALS : ( window.opener != null && typeof window.opener.GLOBALS !== 'undefined' ? window.opener.GLOBALS : [] );
api.tracker.view_data = typeof VIEW_DATA !== 'undefined' ? VIEW_DATA : ( window.opener != null && typeof window.opener.VIEW_DATA !== 'undefined' ? window.opener.VIEW_DATA : [] );
} catch (err) {
        console.error(err);
}

[davojta]

I will try in next days!

[josteink]

OK. I’ll take your word for it.

As an absolute worst case, I cannot see this change negatively impacting or breaking any code which works now, so if you say this change will help a use-case you have, I guess we have nothing to lose by trying 😃

Could you provide your changes as PR?