DevTools: fix flakiness of DevToolsSanityTest/TestProfilerTab.

webkit/glue/devtools/js/tests.js

 // Copyright (c) 2009 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 
 /**
  * @fileoverview This file contains small testing framework along with the
  * test suite for the frontend. These tests are a part of the continues build
  * and are executed by the devtools_sanity_unittest.cc as a part of the
  * Interactive UI Test suite.
@@ skipping 302 matching lines @@
   var test = this;
   this.addSniffer(WebInspector, 'addProfile',
       function(profile) {
         var panel = WebInspector.panels.profiles;
         panel.showProfile(profile);
         var node = panel.visibleView.profileDataGridTree.children[0];
         // Iterate over displayed functions and search for a function
         // that is called 'fib' or 'eternal_fib'. If found, it will mean
         // that we actually have profiled page's code.
         while (node) {
-          if (node.functionName.indexOf("fib") != -1) {
+          if (node.functionName.indexOf('fib') != -1) {
             test.releaseControl();
           }
           node = node.traverseNextNode(true, null, true);
         }
 
         test.fail();
       });
+  var ticksCount = 0;
+  var tickRecord = '\nt,';
+  this.addSniffer(RemoteDebuggerAgent, 'DidGetNextLogLines',
+      function(log) {
+        var pos = 0;
+        while ((pos = log.indexOf(tickRecord, pos)) != -1) {
+          pos += tickRecord.length;
+          ticksCount++;
+        }
+        if (ticksCount > 100) {
+          InspectorController.stopProfiling();
+        }
+      }, true);
 
   InspectorController.startProfiling();
-  window.setTimeout('InspectorController.stopProfiling();', 1000);
   this.takeControl();
 };
 
 
 /**
  * Tests that scripts tab can be open and populated with inspected scripts.
  */
 TestSuite.prototype.testShowScriptsTab = function() {
   var parsedDebuggerTestPageHtml = false;
 
@@ skipping 263 matching lines @@
 /**
  * Run specified test on a fresh instance of the test suite.
  * @param {string} name Name of a test method from TestSuite class.
  */
 uiTests.runTest = function(name) {
   new TestSuite().runTest(name);
 };
 
 
 }