[wasm] Enable wasm frame inspection for debugging

src/debug/debug-scopes.h

Index: src/debug/debug-scopes.h
diff --git a/src/debug/debug-scopes.h b/src/debug/debug-scopes.h
index 1338e7bfcce19a7b7d01e595591412aa25b4915c..b4daebbe8d525197fefb243bb41b02aaddd352f1 100644
--- a/src/debug/debug-scopes.h
+++ b/src/debug/debug-scopes.h
@@ -102,12 +102,12 @@ class ScopeIterator {
   bool seen_script_scope_;
   bool failed_;
 
-  inline JavaScriptFrame* GetFrame() {
+  inline StandardFrame* GetFrame() {
     return frame_inspector_->GetArgumentsFrame();
   }
 
   inline Handle<JSFunction> GetFunction() {
-    return Handle<JSFunction>::cast(frame_inspector_->GetFunction());
+    return frame_inspector_->GetFunction();
   }
 
   void RetrieveScopeChain(Scope* scope);
@@ -140,7 +140,6 @@ class ScopeIterator {
                          Handle<String> parameter_name,
                          Handle<Object> new_value);
   bool SetStackVariableValue(Handle<ScopeInfo> scope_info,
-                             JavaScriptFrame* frame,
                              Handle<String> variable_name,
                              Handle<Object> new_value);
   bool SetContextVariableValue(Handle<ScopeInfo> scope_info,