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1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 #include "config.h"
6 #include "core/css/parser/MediaQueryBlockWatcher.h"
7 
8 #include "core/css/parser/MediaQueryToken.h"
9 
10 namespace blink {
11 
MediaQueryBlockWatcher()12 MediaQueryBlockWatcher::MediaQueryBlockWatcher()
13     : m_blockLevel(0)
14 {
15 }
16 
handleToken(const MediaQueryToken & token)17 void MediaQueryBlockWatcher::handleToken(const MediaQueryToken& token)
18 {
19     if (token.blockType() == MediaQueryToken::BlockStart) {
20         ++m_blockLevel;
21     } else if (token.blockType() == MediaQueryToken::BlockEnd) {
22         ASSERT(m_blockLevel);
23         --m_blockLevel;
24     }
25 }
26 
27 } // namespace
28 
29