Make the gray text in the profile tree display the same values as before: URL:lineno for JS, and library name for C++.
Make the gray text in the profile tree display the same values as before: URL:lineno for JS, and library name for C++.

devtools-html/perf.html,devtools-html/perf.html,squarewave/bhr.html,mstange/cleopatra,squarewave/bhr.html,mstange/cleopatra