[Webkit-unassigned] [Bug 37502] New: Web Inspector: Removes public callLocation API from ScriptCallStack and replaces with ability to get top 10 stack frames

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=37502

           Summary: Web Inspector: Removes public callLocation API from
                    ScriptCallStack and replaces with ability to get top
                    10 stack frames
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
        OS/Version: All
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: Web Inspector
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: jaimeyap at google.com
                CC: timothy at hatcher.name, knorton at google.com,
                    pfeldman at chromium.org, loislo at chromium.org


This patch removes public callLocation API from ScriptCallStack and replaces it
with a function for getting top 10 stack frames, returned as a String.

ScriptCallStack::callLocation() had a null impl previously in JSC. 
ScriptCallStack::stackTrace also has a null impl in JSC, so nothing has changed
there.

I have updated the TimelinePanel UI to consume this stack trace instead of the
callerLocation fields that used to be set on timeline records. I left it
displaying only the top call frame since there are some UI considerations there
that would probably be better addressed in a subsequent patch.

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