Tokenize extra HTTP header fields

The extra HTTP header fields are compiled from
https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers,
https://en.wikipedia.org/wiki/List_of_HTTP_header_fields, and
https://www.owasp.org/index.php/List_of_useful_HTTP_headers.

genlibtokenlookup.py

@@ -62,11 +62,67 @@ HEADERS = [
     ('vary', 58),
     ('via', 59),
     ('www-authenticate', 60),
-    ('te', None),
+    ('accept-ch', None),
+    ('accept-datetime', None),
+    ('accept-features', None),
+    ('accept-patch', None),
+    ('access-control-allow-credentials', None),
+    ('access-control-allow-headers', None),
+    ('access-control-allow-methods', None),
+    ('access-control-expose-headers', None),
+    ('access-control-max-age', None),
+    ('access-control-request-headers', None),
+    ('access-control-request-method', None),
+    ('alt-svc', None),
+    ('alternates', None),
     ('connection', None),
-    ('keep-alive',None),
+    ('content-md5', None),
+    ('content-security-policy', None),
+    ('content-security-policy-report-only', None),
+    ('dnt', None),
+    ('forwarded', None),
+    ('front-end-https', None),
+    ('keep-alive', None),
+    ('last-event-id', None),
+    ('negotiate', None),
+    ('origin', None),
+    ('p3p', None),
+    ('pragma', None),
     ('proxy-connection', None),
+    ('public-key-pins', None),
+    ('sec-websocket-extensions', None),
+    ('sec-websocket-key', None),
+    ('sec-websocket-origin', None),
+    ('sec-websocket-protocol', None),
+    ('sec-websocket-version', None),
+    ('set-cookie2', None),
+    ('status', None),
+    ('tcn', None),
+    ('te', None),
+    ('trailer', None),
+    ('tsv', None),
     ('upgrade', None),
+    ('upgrade-insecure-requests', None),
+    ('variant-vary', None),
+    ('warning', None),
+    ('x-api-version', None),
+    ('x-att-deviceid', None),
+    ('x-cache', None),
+    ('x-cache-lookup', None),
+    ('x-content-duration', None),
+    ('x-content-security-policy', None),
+    ('x-content-type-options', None),
+    ('x-dnsprefetch-control', None),
+    ('x-forwarded-for', None),
+    ('x-forwarded-host', None),
+    ('x-forwarded-proto', None),
+    ('x-frame-options', None),
+    ('x-powered-by', None),
+    ('x-requested-with', None),
+    ('x-ua-compatible', None),
+    ('x-wap-profile', None),
+    ('x-webkit-csp', None),
+    ('x-xss-protection', None),
 ]
 
 def to_enum_hd(k):

lib/nghttp2_hd.h

@@ -105,11 +105,67 @@ typedef enum {
   NGHTTP2_TOKEN_VARY = 58,
   NGHTTP2_TOKEN_VIA = 59,
   NGHTTP2_TOKEN_WWW_AUTHENTICATE = 60,
-  NGHTTP2_TOKEN_TE,
+  NGHTTP2_TOKEN_ACCEPT_CH,
+  NGHTTP2_TOKEN_ACCEPT_DATETIME,
+  NGHTTP2_TOKEN_ACCEPT_FEATURES,
+  NGHTTP2_TOKEN_ACCEPT_PATCH,
+  NGHTTP2_TOKEN_ACCESS_CONTROL_ALLOW_CREDENTIALS,
+  NGHTTP2_TOKEN_ACCESS_CONTROL_ALLOW_HEADERS,
+  NGHTTP2_TOKEN_ACCESS_CONTROL_ALLOW_METHODS,
+  NGHTTP2_TOKEN_ACCESS_CONTROL_EXPOSE_HEADERS,
+  NGHTTP2_TOKEN_ACCESS_CONTROL_MAX_AGE,
+  NGHTTP2_TOKEN_ACCESS_CONTROL_REQUEST_HEADERS,
+  NGHTTP2_TOKEN_ACCESS_CONTROL_REQUEST_METHOD,
+  NGHTTP2_TOKEN_ALT_SVC,
+  NGHTTP2_TOKEN_ALTERNATES,
   NGHTTP2_TOKEN_CONNECTION,
+  NGHTTP2_TOKEN_CONTENT_MD5,
+  NGHTTP2_TOKEN_CONTENT_SECURITY_POLICY,
+  NGHTTP2_TOKEN_CONTENT_SECURITY_POLICY_REPORT_ONLY,
+  NGHTTP2_TOKEN_DNT,
+  NGHTTP2_TOKEN_FORWARDED,
+  NGHTTP2_TOKEN_FRONT_END_HTTPS,
   NGHTTP2_TOKEN_KEEP_ALIVE,
+  NGHTTP2_TOKEN_LAST_EVENT_ID,
+  NGHTTP2_TOKEN_NEGOTIATE,
+  NGHTTP2_TOKEN_ORIGIN,
+  NGHTTP2_TOKEN_P3P,
+  NGHTTP2_TOKEN_PRAGMA,
   NGHTTP2_TOKEN_PROXY_CONNECTION,
-  NGHTTP2_TOKEN_UPGRADE
+  NGHTTP2_TOKEN_PUBLIC_KEY_PINS,
+  NGHTTP2_TOKEN_SEC_WEBSOCKET_EXTENSIONS,
+  NGHTTP2_TOKEN_SEC_WEBSOCKET_KEY,
+  NGHTTP2_TOKEN_SEC_WEBSOCKET_ORIGIN,
+  NGHTTP2_TOKEN_SEC_WEBSOCKET_PROTOCOL,
+  NGHTTP2_TOKEN_SEC_WEBSOCKET_VERSION,
+  NGHTTP2_TOKEN_SET_COOKIE2,
+  NGHTTP2_TOKEN_STATUS,
+  NGHTTP2_TOKEN_TCN,
+  NGHTTP2_TOKEN_TE,
+  NGHTTP2_TOKEN_TRAILER,
+  NGHTTP2_TOKEN_TSV,
+  NGHTTP2_TOKEN_UPGRADE,
+  NGHTTP2_TOKEN_UPGRADE_INSECURE_REQUESTS,
+  NGHTTP2_TOKEN_VARIANT_VARY,
+  NGHTTP2_TOKEN_WARNING,
+  NGHTTP2_TOKEN_X_API_VERSION,
+  NGHTTP2_TOKEN_X_ATT_DEVICEID,
+  NGHTTP2_TOKEN_X_CACHE,
+  NGHTTP2_TOKEN_X_CACHE_LOOKUP,
+  NGHTTP2_TOKEN_X_CONTENT_DURATION,
+  NGHTTP2_TOKEN_X_CONTENT_SECURITY_POLICY,
+  NGHTTP2_TOKEN_X_CONTENT_TYPE_OPTIONS,
+  NGHTTP2_TOKEN_X_DNSPREFETCH_CONTROL,
+  NGHTTP2_TOKEN_X_FORWARDED_FOR,
+  NGHTTP2_TOKEN_X_FORWARDED_HOST,
+  NGHTTP2_TOKEN_X_FORWARDED_PROTO,
+  NGHTTP2_TOKEN_X_FRAME_OPTIONS,
+  NGHTTP2_TOKEN_X_POWERED_BY,
+  NGHTTP2_TOKEN_X_REQUESTED_WITH,
+  NGHTTP2_TOKEN_X_UA_COMPATIBLE,
+  NGHTTP2_TOKEN_X_WAP_PROFILE,
+  NGHTTP2_TOKEN_X_WEBKIT_CSP,
+  NGHTTP2_TOKEN_X_XSS_PROTECTION,
 } nghttp2_token;
 
 typedef enum {