DevTools: Ignore mimetype mismatch for Image, Script, StyleSheet

Source/devtools/front_end/sdk/NetworkManager.js

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 248 matching lines @@
         // as it's going to be an error message. We do not want to emit a warning
         // for this, though, as this will already be reported as resource loading failure.
         // Also, if a URL like http://localhost/wiki/load.php?debug=true&lang=en produces text/css and gets reloaded,
         // it is 304 Not Modified and its guessed mime-type is text/php, which is wrong.
         // Don't check for mime-types in 304-resources.
         if (networkRequest.hasErrorStatusCode() || networkRequest.statusCode === 304 || networkRequest.statusCode === 204)
             return true;
 
         var resourceType = networkRequest.resourceType();
         if (resourceType === undefined
+            || resourceType === WebInspector.resourceTypes.Image

[eustas, 2015/02/24 05:59:21]

If we exclude all those types only three remain. Should we invert the condition?

             || resourceType === WebInspector.resourceTypes.Other
             || resourceType === WebInspector.resourceTypes.Media
+            || resourceType === WebInspector.resourceTypes.Script
+            || resourceType === WebInspector.resourceTypes.Stylesheet
             || resourceType === WebInspector.resourceTypes.XHR
             || resourceType === WebInspector.resourceTypes.WebSocket)
             return true;
 
         if (!networkRequest.mimeType)
             return true; // Might be not known for cached resources with null responses.
 
         if (networkRequest.mimeType in WebInspector.NetworkManager._MIMETypes)
             return resourceType.name() in WebInspector.NetworkManager._MIMETypes[networkRequest.mimeType];
 
@@ skipping 419 matching lines @@
             target.networkAgent().emulateNetworkConditions(this._networkConditions.offline, this._networkConditions.latency,
                 this._networkConditions.throughput, this._networkConditions.throughput);
         }
     }
 }
 
 /**
  * @type {!WebInspector.MultitargetNetworkManager}
  */
 WebInspector.multitargetNetworkManager;