perf test: Add PerfTestRunner.logFatalError(text)

PerformanceTests/resources/runner.js

 // There are tests for computeStatistics() located in LayoutTests/fast/harness/perftests
 
 // We need access to console.memory for the memory measurements
 if (window.internals)
     internals.settings.setMemoryInfoEnabled(true);
 
 if (window.testRunner) {
     testRunner.waitUntilDone();
     testRunner.dumpAsText();
 }
@@ skipping 124 matching lines @@
         window.scrollTo(0, document.body.height);
     }
 
     PerfTestRunner.log = function (text) {
         if (logLines)
             logLines.push(text);
         else
             logInDocument(text);
     }
 
-    function logFatalError(text) {
+    PerfTestRunner.logFatalError = function (text) {
         PerfTestRunner.log(text);
         finish();
     }
 
     function start(test, runner) {
         if (!test) {
-            logFatalError("Got a bad test object.");
+            PerfTestRunner.logFatalError("Got a bad test object.");
             return;
         }
         currentTest = test;
         // FIXME: We should be using multiple instances of test runner on Dromaeo as well but it's too slow now.
         // FIXME: Don't hard code the number of in-process iterations to use inside a test runner.
         iterationCount = test.dromaeoIterationCount || (window.testRunner ? 5 : 20);
         logLines = window.testRunner ? [] : null;
         PerfTestRunner.log("Running " + iterationCount + " times");
         if (test.doNotIgnoreInitialRun)
             completedIterations++;
         if (runner)
             scheduleNextRun(runner);
     }
 
     function scheduleNextRun(runner) {
         PerfTestRunner.gc();
         window.setTimeout(function () {
             try {
                 if (currentTest.setup)
                     currentTest.setup();
 
                 var measuredValue = runner();
             } catch (exception) {
-                logFatalError("Got an exception while running test.run with name=" + exception.name + ", message=" + exception.message);
+                PerfTestRunner.logFatalError("Got an exception while running test.run with name=" + exception.name + ", message=" + exception.message);
                 return;
             }
 
             completedIterations++;
 
             try {
                 ignoreWarmUpAndLog(measuredValue);
             } catch (exception) {
-                logFatalError("Got an exception while logging the result with name=" + exception.name + ", message=" + exception.message);
+                PerfTestRunner.logFatalError("Got an exception while logging the result with name=" + exception.name + ", message=" + exception.message);
                 return;
             }
 
             if (completedIterations < iterationCount)
                 scheduleNextRun(runner);
             else
                 finish();
         }, 0);
     }
 
@@ skipping 36 matching lines @@
         PerfTestRunner.unit = test.unit;
         start(test);
     }
 
     PerfTestRunner.measureValueAsync = function (measuredValue) {
         completedIterations++;
 
         try {
             ignoreWarmUpAndLog(measuredValue);
         } catch (exception) {
-            logFatalError("Got an exception while logging the result with name=" + exception.name + ", message=" + exception.message);
+            PerfTestRunner.logFatalError("Got an exception while logging the result with name=" + exception.name + ", message=" + exception.message);
             return;
         }
 
         if (completedIterations >= iterationCount)
             finish();
     }
 
     PerfTestRunner.measureTime = function (test) {
         PerfTestRunner.unit = "ms";
         start(test, measureTimeOnce);
@@ skipping 80 matching lines @@
 
             iframe.contentDocument.close();
             document.body.removeChild(iframe);
         };
 
         PerfTestRunner.measureTime(test);
     }
 
     window.PerfTestRunner = PerfTestRunner;
 })();