[DevTools] enable async stacks by default

third_party/WebKit/LayoutTests/inspector/sources/debugger-async/async-callstack-expected.txt

Index: third_party/WebKit/LayoutTests/inspector/sources/debugger-async/async-callstack-expected.txt
diff --git a/third_party/WebKit/LayoutTests/inspector/sources/debugger-async/async-callstack-expected.txt b/third_party/WebKit/LayoutTests/inspector/sources/debugger-async/async-callstack-expected.txt
index a5e235c0841ad3ef29532984dc5994292c9afe12..93b4fae4da2531321d34bb6acff0d171f83cc552 100644
--- a/third_party/WebKit/LayoutTests/inspector/sources/debugger-async/async-callstack-expected.txt
+++ b/third_party/WebKit/LayoutTests/inspector/sources/debugger-async/async-callstack-expected.txt
@@ -79,5 +79,42 @@ Call stack:
     0) longTail7 (:7)
     [setTimeout]
     0) longTail8 (:8)
+    [setTimeout]
+    0) longTail9 (:9)
+    [setTimeout]
+    0) longTail10 (:10)
+    [setTimeout]
+    0) longTail11 (:11)
+    [setTimeout]
+    0) longTail12 (:12)
+    [setTimeout]
+    0) longTail13 (:13)
+    [setTimeout]
+    0) longTail14 (:14)
+    [setTimeout]
+    0) longTail15 (:15)
+    [setTimeout]
+    0) longTail16 (:16)
+    [setTimeout]
+    0) longTail17 (:17)
+    [setTimeout]
+    0) longTail18 (:18)
+    [setTimeout]
+    0) longTail19 (:19)
+    [setTimeout]
+    0) longTail20 (:20)
+    [setTimeout]
+    0)  (:21)
+    1) animFrame2 (async-callstack.html:56)
+    [requestAnimationFrame]
+    0) animFrame1 (async-callstack.html:32)
+    [requestAnimationFrame]
+    0) timeout1 (async-callstack.html:19)
+    1) innerTestFunction (async-callstack.html:11)
+    [setTimeout]
+    0) testFunction (async-callstack.html:13)
+    [setTimeout]
+    0) scheduleTestFunction (debugger-test.js:3)
+    <... skipped remaining frames ...>