| // Copyright 2014 The Chromium 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 "third_party/blink/renderer/core/css/parser/media_query_block_watcher.h" |
| |
| #include "third_party/blink/renderer/core/css/parser/css_parser_token.h" |
| |
| namespace blink { |
| |
| MediaQueryBlockWatcher::MediaQueryBlockWatcher() : block_level_(0) {} |
| |
| void MediaQueryBlockWatcher::HandleToken(const CSSParserToken& token) { |
| if (token.GetBlockType() == CSSParserToken::kBlockStart) { |
| ++block_level_; |
| } else if (token.GetBlockType() == CSSParserToken::kBlockEnd) { |
| DCHECK(block_level_); |
| --block_level_; |
| } |
| } |
| |
| } // namespace blink |
