[wasm] Drop old typing-asm and its tests.

test/cctest/expression-type-collector.cc

-// Copyright 2015 the V8 project authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "src/v8.h"
-
-#include "test/cctest/expression-type-collector.h"
-
-#include "src/ast/ast-type-bounds.h"
-#include "src/ast/ast.h"
-#include "src/ast/scopes.h"
-#include "src/codegen.h"
-
-namespace v8 {
-namespace internal {
-namespace {
-
-struct {
-  AstNode::NodeType type;
-  const char* name;
-} NodeTypeNameList[] = {
-#define DECLARE_VISIT(type)   \
-  { AstNode::k##type, #type } \
-  ,
-    AST_NODE_LIST(DECLARE_VISIT)
-#undef DECLARE_VISIT
-};
-
-}  // namespace
-
-ExpressionTypeCollector::ExpressionTypeCollector(
-    Isolate* isolate, FunctionLiteral* root, const AstTypeBounds* bounds,
-    ZoneVector<ExpressionTypeEntry>* dst)
-    : AstExpressionVisitor(isolate, root), bounds_(bounds), result_(dst) {}
-
-void ExpressionTypeCollector::Run() {
-  result_->clear();
-  AstExpressionVisitor::Run();
-}
-
-
-void ExpressionTypeCollector::VisitExpression(Expression* expression) {
-  ExpressionTypeEntry e;
-  e.depth = depth();
-  VariableProxy* proxy = expression->AsVariableProxy();
-  if (proxy) {
-    e.name = proxy->raw_name();
-  }
-  e.bounds = bounds_->get(expression);
-  AstNode::NodeType type = expression->node_type();
-  e.kind = "unknown";
-  for (size_t i = 0; i < arraysize(NodeTypeNameList); ++i) {
-    if (NodeTypeNameList[i].type == type) {
-      e.kind = NodeTypeNameList[i].name;
-      break;
-    }
-  }
-  result_->push_back(e);
-}
-
-}  // namespace internal
-}  // namespace v8