An array of HTTP headers. Each header is represented as an object with two properties:
name and either
objects. Each object has the following properties:
string. Name of the HTTP header.
string. Value of the HTTP header if it can be represented by UTF-8. Either this property or
binaryValuemust be present.
integer. Value of the HTTP header if it cannot be represented by UTF-8, represented as bytes (0..255). Either this property or
valuemust be present.
BCD tables only load in the browser
Note: This API is based on Chromium's
chrome.webRequest API. This documentation is derived from
web_request.json in the Chromium code.