Fix-up some code relating to SRI double-requesting scripts

third_party/WebKit/LayoutTests/http/tests/inspector/network-test.js

 // This goes before everything else to keep console message line number invariant.
 var lastXHRIndex = 0;
 function xhrLoadedCallback()
 {
     // We need to make sure the console message text is unique so that we don't end up with repeat count update only.
     console.log("XHR loaded: " + (++lastXHRIndex));
 }
 
 function makeSimpleXHR(method, url, async, callback)
 {
@@ skipping 53 matching lines @@
 
 InspectorTest.dumpNetworkRequests = function()
 {
     var requests = InspectorTest.networkRequests();
     requests.sort(function(a, b) {return a.url.localeCompare(b.url);});
     InspectorTest.addResult("resources count = " + requests.length);
     for (i = 0; i < requests.length; i++)
         InspectorTest.addResult(requests[i].url);
 }
 
+// |url| must be a regular expression to match request URLs.
+InspectorTest.findRequestsByURLPattern = function(urlPattern)
+{
+    return InspectorTest.networkRequests().filter(function(value) {
+        return urlPattern.test(value.url)
+    });
+}
+
 InspectorTest.makeSimpleXHR = function(method, url, async, callback)
 {
     InspectorTest.makeXHR(method, url, async, undefined, undefined, [], false, undefined, undefined, callback);
 }
 
 InspectorTest.makeSimpleXHRWithPayload = function(method, url, async, payload, callback)
 {
     InspectorTest.makeXHR(method, url, async, undefined, undefined, [], false, payload, undefined, callback);
 }
 
@@ skipping 45 matching lines @@
     wait: "formatAsTypeName",
     _transferSize: "formatAsTypeName",
     _error: "skip",
 };
 
 // addObject checks own properties only, so make a deep copy rather than use prototype.
 InspectorTest.HARPropertyFormattersWithSize = JSON.parse(JSON.stringify(InspectorTest.HARPropertyFormatters));
 InspectorTest.HARPropertyFormattersWithSize.size = "formatAsTypeName";
 
 };