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

third_party/WebKit/LayoutTests/inspector/tracing/timeline-timer-expected.txt

Index: third_party/WebKit/LayoutTests/inspector/tracing/timeline-timer-expected.txt
diff --git a/third_party/WebKit/LayoutTests/inspector/tracing/timeline-timer-expected.txt b/third_party/WebKit/LayoutTests/inspector/tracing/timeline-timer-expected.txt
index 9fc51dae4e13bbb60d8dda096ed3ba52740cfd4f..2df088a5e5e3a61076a43dc76ea95cc11522b21e 100644
--- a/third_party/WebKit/LayoutTests/inspector/tracing/timeline-timer-expected.txt
+++ b/third_party/WebKit/LayoutTests/inspector/tracing/timeline-timer-expected.txt
@@ -15,7 +15,7 @@ TimerInstall Properties:
     startTime : <number>
     type : "TimerInstall"
 }
-Text details for TimerInstall: timeline-timer.html:9
+Text details for TimerInstall: null
 TimerInstall Properties:
 {
     data : {
@@ -31,7 +31,7 @@ TimerInstall Properties:
     startTime : <number>
     type : "TimerInstall"
 }
-Text details for TimerInstall: timeline-timer.html:10
+Text details for TimerInstall: null
 TimerFire Properties:
 {
     data : {
@@ -43,7 +43,7 @@ TimerFire Properties:
     startTime : <number>
     type : "TimerFire"
 }
-Text details for TimerFire: timeline-timer.html:9
+Text details for TimerFire: null
 TimerFire Properties:
 {
     data : {
@@ -55,7 +55,7 @@ TimerFire Properties:
     startTime : <number>
     type : "TimerFire"
 }
-Text details for TimerFire: timeline-timer.html:10
+Text details for TimerFire: null
 TimerFire Properties:
 {
     data : {
@@ -67,7 +67,7 @@ TimerFire Properties:
     startTime : <number>
     type : "TimerFire"
 }
-Text details for TimerFire: timeline-timer.html:10
+Text details for TimerFire: null
 TimerRemove Properties:
 {
     data : {
@@ -81,7 +81,7 @@ TimerRemove Properties:
     startTime : <number>
     type : "TimerRemove"
 }
-Text details for TimerRemove: timeline-timer.html:17
+Text details for TimerRemove: null
 FunctionCall Properties:
 {
     data : {
@@ -89,11 +89,9 @@ FunctionCall Properties:
         scriptId : <string>
         scriptLine : <number>
         scriptName : <string>
-        stackTrace : <object>
     }
     endTime : <number>
     frameId : <string>
-    stackTrace : <object>
     startTime : <number>
     type : "FunctionCall"
 }
@@ -104,11 +102,9 @@ FunctionCall Properties:
         scriptId : <string>
         scriptLine : <number>
         scriptName : <string>
-        stackTrace : <object>
     }
     endTime : <number>
     frameId : <string>
-    stackTrace : <object>
     startTime : <number>
     type : "FunctionCall"
 }
@@ -119,11 +115,9 @@ FunctionCall Properties:
         scriptId : <string>
         scriptLine : <number>
         scriptName : <string>
-        stackTrace : <object>
     }
     endTime : <number>
     frameId : <string>
-    stackTrace : <object>
     startTime : <number>
     type : "FunctionCall"
 }
@@ -133,12 +127,10 @@ EvaluateScript Properties:
         columnNumber : <number>
         frame : <string>
         lineNumber : <number>
-        stackTrace : <object>
         url : 
     }
     endTime : <number>
     frameId : <string>
-    stackTrace : <object>
     startTime : <number>
     type : "EvaluateScript"
 }