Performance tests should use GCController.collectAll instead of GCController.collect

PerformanceTests/resources/runner.js

 // There are tests for computeStatistics() located in LayoutTests/fast/harness/perftests
 
 if (window.testRunner) {
     testRunner.waitUntilDone();
     testRunner.dumpAsText();
 }
 
 (function () {
     var logLines = null;
     var completedIterations = -1;
@@ skipping 83 matching lines @@
         this.log("min " + statistics.min + " " + statistics.unit);
         this.log("max " + statistics.max + " " + statistics.unit);
     }
 
     function getUsedJSHeap() {
         return console.memory.usedJSHeapSize;
     }
 
     PerfTestRunner.gc = function () {
         if (window.GCController)
-            window.GCController.collect();
+            window.GCController.collectAll();
         else {
             function gcRec(n) {
                 if (n < 1)
                     return {};
                 var temp = {i: "ab" + i + (i / 100000)};
                 temp += "foo";
                 gcRec(n-1);
             }
             for (var i = 0; i < 1000; i++)
                 gcRec(10);
@@ skipping 224 matching lines @@
 
             iframe.contentDocument.close();
             document.body.removeChild(iframe);
         };
 
         PerfTestRunner.measureTime(test);
     }
 
     window.PerfTestRunner = PerfTestRunner;
 })();