support ping request type explicitly

platform/chromium/vapi-background.js

@@ -693,11 +693,18 @@ vAPI.net.registerListeners = function() {
         details.tabId = details.tabId.toString();
         details.hostname = µmuri.hostnameFromURI(details.url);
 
-        // The rest of the function code is to normalize type
+        // The rest of the function code is to normalize request type
         if ( details.type !== 'other' ) {
             return;
         }
 
+        if ( details.requestHeaders instanceof HTTPRequestHeaders ) {
+            if ( details.requestHeaders.getHeader('ping-to') !== '' ) {
+                details.type = 'ping';
+                return;
+            }
+        }
+
         var tail = µmuri.path.slice(-6);
         var pos = tail.lastIndexOf('.');
 
@@ -751,8 +758,8 @@ vAPI.net.registerListeners = function() {
 
     var onBeforeSendHeadersClient = this.onBeforeSendHeaders.callback;
     var onBeforeSendHeaders = function(details) {
-        normalizeRequestDetails(details);
         details.requestHeaders = httpRequestHeadersFactory(details.requestHeaders);
+        normalizeRequestDetails(details);
         var result = onBeforeSendHeadersClient(details);
         if ( typeof result === 'object' ) {
             return result;

src/js/traffic.js

@@ -399,7 +399,7 @@ var onBeforeSendHeadersHandler = function(details) {
 
     var requestURL = details.url;
     var requestType = requestTypeNormalizer[details.type] || 'other';
-    if ( requestType === 'other' ) {
+    if ( requestType === 'ping' ) {
         var linkAuditor = details.requestHeaders.getHeader('ping-to');
         if ( linkAuditor !== '' ) {
             var block = µm.userSettings.processHyperlinkAuditing;
@@ -704,15 +704,16 @@ var headerIndexFromName = function(headerName, headers) {
 /******************************************************************************/
 
 var requestTypeNormalizer = {
-    'main_frame'    : 'doc',
-    'sub_frame'     : 'frame',
-    'stylesheet'    : 'css',
-    'script'        : 'script',
+    'font'          : 'css',
     'image'         : 'image',
+    'main_frame'    : 'doc',
     'object'        : 'plugin',
-    'xmlhttprequest': 'xhr',
     'other'         : 'other',
-    'font'          : 'css'
+    'ping'          : 'ping',
+    'script'        : 'script',
+    'stylesheet'    : 'css',
+    'sub_frame'     : 'frame',
+    'xmlhttprequest': 'xhr'
 };
 
 /******************************************************************************/