Customize Chromium/Google Chrome error pages

Question

How can I customize the error pages Google Chrome/Chromium displays when there is a networking error (e.g. Error 137 net::ERR_NAME_RESOLUTION_FAILED)

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Answer 1

No, trapping is not possible, and the HTML for the error pages gets built at runtime from compiled resources. See http://src.chromium.org/viewvc/chrome/trunk/src/chrome/renderer/localized_error.cc?view=markup for the code that builds these error pages.