For now WasmFrame doesn't summarize the wasm frames. That'll require adding the
metadata in wasm-compiler similar to DeoptimizationInputData.

Teach the basic backtrace to iterate over stack frames instead of JS frames.

Update the wasm stack test.

`git cl format` touches random lines in files I touch.

R=titzer@chromium.org
TEST=d8 --test --expose-wasm test/mjsunit/mjsunit.js test/mjsunit/wasm/stack.js

Originally landed in: https://codereview.chromium.org/1712003003/
Reverted in: https://codereview.chromium.org/1730673002/

This patch puts the JSFunction on the C++ stack.

Review URL: https://codereview.chromium.org/1724063002

Cr-Commit-Position: refs/heads/master@{#34225}