CHROME 2

Bootstrapped manifest not allowed to use 'resource' directive. chrome.manifest:2
[Exception... "Favicon at "http://custombuttons.sourceforge.net/favicon.ico" failed to load: Not Found."  nsresult: "0x80004005 (NS_ERROR_FAILURE)"  location: "JS frame :: resource:///modules/FaviconLoader.jsm :: onStopRequest :: line 154"  data: no]
Error while calling actor 'parentProcessTarget's method 'ensureCSSErrorReportingEnabled' Argument 1 of InspectorUtils.getAllStyleSheets is not an object. protocol.js:1021:5
ensureCSSErrorReportingEnabled@resource://devtools/shared/base-loader.js -> resource://devtools/server/actors/targets/browsing-context.js:1012:9
handler@resource://devtools/shared/base-loader.js -> resource://devtools/shared/protocol.js:1178:21
onPacket@resource://devtools/shared/base-loader.js -> resource://devtools/server/main.js:1721:15
send/<@resource://devtools/shared/base-loader.js -> resource://devtools/shared/transport/local-transport.js:64:11
exports.makeInfallible/<@resource://devtools/shared/base-loader.js -> resource://devtools/shared/ThreadSafeDevToolsUtils.js:109:14
exports.makeInfallible/<@resource://devtools/shared/base-loader.js -> resource://devtools/shared/ThreadSafeDevToolsUtils.js:109:14
protocol.js:1024:7
Stylesheets without CSSOM changes reparsed to check for errors. Refresh the page to also see errors from stylesheets changed from CSSOM and from style attributes.