DevTools: Switch to using fast stack iterator to collect stacks during timeline recording.

third_party/WebKit/LayoutTests/inspector/tracing/timeline-animation-frame-expected.txt

Index: third_party/WebKit/LayoutTests/inspector/tracing/timeline-animation-frame-expected.txt
diff --git a/third_party/WebKit/LayoutTests/inspector/tracing/timeline-animation-frame-expected.txt b/third_party/WebKit/LayoutTests/inspector/tracing/timeline-animation-frame-expected.txt
index 2022df56ad671fceb82829485e40b77f8e319a64..1e276fcdb24766e32512c1300e177b1773966e55 100644
--- a/third_party/WebKit/LayoutTests/inspector/tracing/timeline-animation-frame-expected.txt
+++ b/third_party/WebKit/LayoutTests/inspector/tracing/timeline-animation-frame-expected.txt
@@ -13,7 +13,7 @@ RequestAnimationFrame Properties:
     startTime : <number>
     type : "RequestAnimationFrame"
 }
-Text details for RequestAnimationFrame: timeline-animation-frame.html:8
+Text details for RequestAnimationFrame: null

[caseq, 2016/01/25 19:18:36]

why is this gone?

[alph, 2016/01/26 00:58:49]

That's because it's now collects systems frames as well, so the system frame is
the function of requestAnimationFrame which url is missing.
Fixed that.

 FireAnimationFrame Properties:
 {
     data : {
@@ -25,7 +25,7 @@ FireAnimationFrame Properties:
     startTime : <number>
     type : "FireAnimationFrame"
 }
-Text details for FireAnimationFrame: timeline-animation-frame.html:8
+Text details for FireAnimationFrame: null
 CancelAnimationFrame Properties:
 {
     data : {
@@ -39,5 +39,5 @@ CancelAnimationFrame Properties:
     startTime : <number>
     type : "CancelAnimationFrame"
 }
-Text details for CancelAnimationFrame: timeline-animation-frame.html:11
+Text details for CancelAnimationFrame: null