Remove sizes attr.

sky/engine/core/css/parser/SizesAttributeParser.h

-// 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.
-
-#ifndef SizesAttributeParser_h
-#define SizesAttributeParser_h
-
-#include "core/css/MediaValues.h"
-#include "core/css/parser/MediaQueryParser.h"
-#include "platform/heap/Handle.h"
-#include "wtf/text/WTFString.h"
-
-namespace blink {
-
-class SizesAttributeParser {
-    STACK_ALLOCATED();
-public:
-    SizesAttributeParser(PassRefPtr<MediaValues>, const String&);
-
-    bool viewportDependant() const { return m_viewportDependant; }
-    unsigned length();
-
-private:
-    bool parse(Vector<MediaQueryToken>& tokens);
-    bool parseMediaConditionAndLength(MediaQueryTokenIterator startToken, MediaQueryTokenIterator endToken);
-    unsigned effectiveSize();
-    bool calculateLengthInPixels(MediaQueryTokenIterator startToken, MediaQueryTokenIterator endToken, unsigned& result);
-    bool mediaConditionMatches(PassRefPtr<MediaQuerySet> mediaCondition);
-    unsigned effectiveSizeDefaultValue();
-
-    RefPtr<MediaQuerySet> m_mediaCondition;
-    RefPtr<MediaValues> m_mediaValues;
-    unsigned m_length;
-    bool m_lengthWasSet;
-    bool m_viewportDependant;
-    Vector<MediaQueryToken> m_tokens;
-    bool m_isValid;
-};
-
-} // namespace
-
-#endif
-