DevTools: add a mixed-content filter

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 177 matching lines @@
     /**
      * @param {!WebInspector.NetworkRequest} networkRequest
      * @param {!NetworkAgent.Request} request
      */
     _updateNetworkRequestWithRequest: function(networkRequest, request)
     {
         networkRequest.requestMethod = request.method;
         networkRequest.setRequestHeaders(this._headersMapToHeadersArray(request.headers));
         networkRequest.requestFormData = request.postData;
         networkRequest.setInitialPriority(request.initialPriority);
+        networkRequest.mixedContentType = request.mixedContentType;
     },
 
     /**
      * @param {!WebInspector.NetworkRequest} networkRequest
      * @param {!NetworkAgent.Response=} response
      */
     _updateNetworkRequestWithResponse: function(networkRequest, response)
     {
         if (response.url && networkRequest.url !== response.url)
             networkRequest.url = response.url;
@@ skipping 554 matching lines @@
             target.networkAgent().removeBlockedURL(url);
     },
 
     __proto__: WebInspector.Object.prototype
 }
 
 /**
  * @type {!WebInspector.MultitargetNetworkManager}
  */
 WebInspector.multitargetNetworkManager;