[wasm][messages] Remove handling for interpreted frames

The interpreter frame is only used for testing now (see linked issue).
This CL removes some remnants in messages.{h,cc}.

R=bmeurer@chromium.org

Bug: v8:10389
Change-Id: I369057ed02dbb68ba40ef9b4aa9a84799d3db528
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2681944
Commit-Queue: Benedikt Meurer <bmeurer@chromium.org>
Auto-Submit: Clemens Backes <clemensb@chromium.org>
Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
Cr-Commit-Position: refs/heads/master@{#72581}

src/execution/messages.cc

@@ -639,10 +639,7 @@ Handle<Script> JSStackFrame::GetScript() const {
 
 void WasmStackFrame::FromFrameArray(Isolate* isolate, Handle<FrameArray> array,
                                     int frame_ix) {
-  // This function is called for compiled and interpreted wasm frames, and for
-  // asm.js->wasm frames.
-  DCHECK(array->IsWasmFrame(frame_ix) ||
-         array->IsAsmJsWasmFrame(frame_ix));
+  DCHECK(array->IsWasmFrame(frame_ix) || array->IsAsmJsWasmFrame(frame_ix));
   isolate_ = isolate;
   wasm_instance_ = handle(array->WasmInstance(frame_ix), isolate);
   wasm_func_index_ = array->WasmFunctionIndex(frame_ix).value();
@@ -691,7 +688,7 @@ Handle<PrimitiveHeapObject> WasmStackFrame::GetWasmModuleName() {
 Handle<HeapObject> WasmStackFrame::GetWasmInstance() { return wasm_instance_; }
 
 int WasmStackFrame::GetPosition() const {
-  return IsInterpreted() ? offset_ : code_->GetSourcePositionBefore(offset_);
+  return code_->GetSourcePositionBefore(offset_);
 }
 
 int WasmStackFrame::GetColumnNumber() { return GetModuleOffset(); }

src/execution/messages.h

@@ -202,7 +202,6 @@ class WasmStackFrame : public StackFrameBase {
   bool IsPromiseAny() const override { return false; }
   bool IsConstructor() override { return false; }
   bool IsStrict() const override { return false; }
-  bool IsInterpreted() const { return code_ == nullptr; }
 
  protected:
   Handle<PrimitiveHeapObject> Null() const;