[polymer] Merge of master into polymer10-migration

tracing/tracing/model/ir_coverage_test.html

Index: tracing/tracing/model/ir_coverage_test.html
diff --git a/tracing/tracing/model/ir_coverage_test.html b/tracing/tracing/model/ir_coverage_test.html
index c3ab2d8ebf7e6834c0c6dc69d5d2e9fc52b975d3..e8a1637e60d3a1061fb5990347033d91d7a36c79 100644
--- a/tracing/tracing/model/ir_coverage_test.html
+++ b/tracing/tracing/model/ir_coverage_test.html
@@ -58,13 +58,13 @@ tr.b.unittest.testSuite(function() {
 
   test('computeCoverage', function() {
     var model = createModel();
-    model.iterateAllEvents(function(event) {
+    for (var event of model.getDescendantEvents()) {
       if (event.title === 's0' || event.title === 's2') {
         event.cpuSelfTime = 0.4;
       } else if (event.title === 's1') {
         event.cpuSelfTime = 0.8;
       }
-    });
+    }
 
     var coverage = tr.model.getIRCoverageFromModel(model);
     assert.equal(3, coverage.associatedEventsCount);