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gyuyoung.kim@samsung.com authored
https://bugs.webkit.org/show_bug.cgi?id=122058 Reviewed by Antti Koivisto. Generate toCSSFooValue() for CSSCanvasValue, and use it. This type cast function will help to detect bad-casts. isCanvasValue() is added in order to generate toCSSCanvasValue. No new tests, no behavior change. * css/CSSCanvasValue.h: * css/CSSImageGeneratorValue.cpp: (WebCore::CSSImageGeneratorValue::image): (WebCore::CSSImageGeneratorValue::fixedSize): (WebCore::CSSImageGeneratorValue::loadSubimages): * css/CSSValue.cpp: (WebCore::CSSValue::destroy): * css/CSSValue.h: (WebCore::CSSValue::isCanvasValue): git-svn-id: http://svn.webkit.org/repository/webkit/trunk@156633 268f45cc-cd09-0410-ab3c-d52691b4dbfc
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