Bug 1442778 - Add "chromeContext" parameter to console API and console service messages. r=smaug

1. Adding a new attribute chromeContext in ConsoleEvent
2. Adding a new boolean attribute isFromChromeContext in nsIConsoleMessage
3. Sending IsFromChromeContext to the parent process

Differential Revision: https://phabricator.services.mozilla.com/D23330

caps/nsScriptSecurityManager.cpp

@@ -1148,7 +1148,8 @@ nsresult nsScriptSecurityManager::ReportError(const char* aMessageTag,
 
   // using category of "SOP" so we can link to MDN
   rv = error->Init(message, EmptyString(), EmptyString(), 0, 0,
-                   nsIScriptError::errorFlag, "SOP", aFromPrivateWindow);
+                   nsIScriptError::errorFlag, "SOP", aFromPrivateWindow,
+                   true /* From chrome context */);
   NS_ENSURE_SUCCESS(rv, rv);
   console->LogMessage(error);
   return NS_OK;