Profiler: resolve top of stack address to a function
Profiler: resolve top of stack address to a function

When we cannot map top frame's pc to a code object and top frame is JS frame we now assume that it was a frameless invocation of a native function (e.g. __fmod) and try to resolve address on top of the stack into a JS function.

BUG=chromium:529931
LOG=Y

Review URL: https://codereview.chromium.org/1315683007

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#30688}

UniversalFuture/moosh,UniversalFuture/moosh,UniversalFuture/moosh,UniversalFuture/moosh