Track frame context URL using first script heuristic

third_party/WebKit/Source/core/inspector/InspectorWebPerfAgent.h

Index: third_party/WebKit/Source/core/inspector/InspectorWebPerfAgent.h
diff --git a/third_party/WebKit/Source/core/inspector/InspectorWebPerfAgent.h b/third_party/WebKit/Source/core/inspector/InspectorWebPerfAgent.h
index 17c31580f266a8a390531897b224ecd63ce9900b..f652d251cacc457a28cc628e19aa1856f3070986 100644
--- a/third_party/WebKit/Source/core/inspector/InspectorWebPerfAgent.h
+++ b/third_party/WebKit/Source/core/inspector/InspectorWebPerfAgent.h
@@ -39,6 +39,8 @@ public:
 
 private:
     Member<InspectedFrames> m_inspectedFrames;
+    bool m_firstScriptSeen;
+    std::string m_frameContextURL;

[caseq, 2016/08/31 04:59:15]

you can't use std::string in core -- either use String (aka WTF::String) or,
perhaps, just keep a reference to Location. It will let you get rid of
m_firstScriptSeen as well.

[panicker, 2016/09/07 00:01:46]

Switched to keeping pointer to Location.

 };
 
 } // namespace blink