Simplify Scanner bookmarking.

src/parsing/parser-base.h

 // Copyright 2012 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.
 
 #ifndef V8_PARSING_PARSER_BASE_H
 #define V8_PARSING_PARSER_BASE_H
 
 #include "src/ast/ast.h"
 #include "src/ast/scopes.h"
 #include "src/bailout-reason.h"
@@ skipping 3875 matching lines @@
     Expect(Token::ARROW, CHECK_OK);
 
     if (peek() == Token::LBRACE) {
       // Multiple statement body
       Consume(Token::LBRACE);
       DCHECK_EQ(scope(), formal_parameters.scope);
       bool is_lazily_parsed = (mode() == PARSE_LAZILY &&
                                formal_parameters.scope->AllowsLazyParsing());
       if (is_lazily_parsed) {
         Scanner::BookmarkScope bookmark(scanner());
-        bool may_abort = bookmark.Set();
+        bookmark.Set();
         LazyParsingResult result = impl()->SkipLazyFunctionBody(
-            &materialized_literal_count, &expected_property_count, may_abort,
+            &materialized_literal_count, &expected_property_count, true,
             CHECK_OK);
 
         if (formal_parameters.materialized_literals_count > 0) {
           materialized_literal_count +=
               formal_parameters.materialized_literals_count;
         }
 
         if (result == kLazyParsingAborted) {
           bookmark.Reset();
           // Trigger eager (re-)parsing, just below this block.
@@ skipping 1121 matching lines @@
     has_seen_constructor_ = true;
     return;
   }
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_PARSING_PARSER_BASE_H