[DevTools] enable async stacks by default

third_party/WebKit/LayoutTests/inspector/sources/debugger-step/debugger-step-out-custom-element-callbacks-expected.txt

Index: third_party/WebKit/LayoutTests/inspector/sources/debugger-step/debugger-step-out-custom-element-callbacks-expected.txt
diff --git a/third_party/WebKit/LayoutTests/inspector/sources/debugger-step/debugger-step-out-custom-element-callbacks-expected.txt b/third_party/WebKit/LayoutTests/inspector/sources/debugger-step/debugger-step-out-custom-element-callbacks-expected.txt
index 262f43199f729068aab635dc2c4c710b0c5e2294..1e6503f1fd3350d8cfbdb84a9855d57ab1cb9316 100644
--- a/third_party/WebKit/LayoutTests/inspector/sources/debugger-step/debugger-step-out-custom-element-callbacks-expected.txt
+++ b/third_party/WebKit/LayoutTests/inspector/sources/debugger-step/debugger-step-out-custom-element-callbacks-expected.txt
@@ -8,36 +8,60 @@ Set timer for test function.
 Call stack:
     0) createdCallback (debugger-step-out-custom-element-callbacks.html:12)
     1) testFunction (debugger-step-out-custom-element-callbacks.html:28)
+    [setTimeout]
+    0) scheduleTestFunction (debugger-test.js:3)
+    <... skipped remaining frames ...>
 
 Executing StepOut...
 Call stack:
     0) testFunction (debugger-step-out-custom-element-callbacks.html:29)
+    [setTimeout]
+    0) scheduleTestFunction (debugger-test.js:3)
+    <... skipped remaining frames ...>
 
 Executing StepInto...
 Call stack:
     0) attributeChangedCallback (debugger-step-out-custom-element-callbacks.html:25)
     1) testFunction (debugger-step-out-custom-element-callbacks.html:29)
+    [setTimeout]
+    0) scheduleTestFunction (debugger-test.js:3)
+    <... skipped remaining frames ...>
 
 Executing StepOut...
 Call stack:
     0) testFunction (debugger-step-out-custom-element-callbacks.html:30)
+    [setTimeout]
+    0) scheduleTestFunction (debugger-test.js:3)
+    <... skipped remaining frames ...>
 
 Executing StepInto...
 Call stack:
     0) attachedCallback (debugger-step-out-custom-element-callbacks.html:17)
     1) testFunction (debugger-step-out-custom-element-callbacks.html:30)
+    [setTimeout]
+    0) scheduleTestFunction (debugger-test.js:3)
+    <... skipped remaining frames ...>
 
 Executing StepOut...
 Call stack:
     0) testFunction (debugger-step-out-custom-element-callbacks.html:31)
+    [setTimeout]
+    0) scheduleTestFunction (debugger-test.js:3)
+    <... skipped remaining frames ...>
 
 Executing StepInto...
 Call stack:
     0) detachedCallback (debugger-step-out-custom-element-callbacks.html:21)
     1) testFunction (debugger-step-out-custom-element-callbacks.html:31)
+    [setTimeout]
+    0) scheduleTestFunction (debugger-test.js:3)
+    <... skipped remaining frames ...>
 
 Executing StepOut...
 Call stack:
     0) testFunction (debugger-step-out-custom-element-callbacks.html:32)
+    [setTimeout]
+    0) scheduleTestFunction (debugger-test.js:3)
+    <... skipped remaining frames ...>