[wasm] Do not skip wasm frames when iterating

SafeStackFrameIterator used to skip over wasm frames, thus hiding them
for example in the Chrome profiler.

Change-Id: I81b1d73ab0b4fb1886f3300083a9550dc0f55525
Reviewed-on: https://chromium-review.googlesource.com/955697Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Commit-Queue: Stephan Herhut <herhut@chromium.org>
Cr-Commit-Position: refs/heads/master@{#51922}

src/frames.cc

@@ -359,7 +359,7 @@ void SafeStackFrameIterator::Advance() {
       last_callback_scope = external_callback_scope_;
       external_callback_scope_ = external_callback_scope_->previous();
     }
-    if (frame_->is_java_script()) break;
+    if (frame_->is_java_script() || frame_->is_wasm()) break;
     if (frame_->is_exit() || frame_->is_builtin_exit()) {
       // Some of the EXIT frames may have ExternalCallbackScope allocated on
       // top of them. In that case the scope corresponds to the first EXIT