Hook up style invalidation for CSS Paint API.

third_party/WebKit/Source/core/style/StyleImage.h

Index: third_party/WebKit/Source/core/style/StyleImage.h
diff --git a/third_party/WebKit/Source/core/style/StyleImage.h b/third_party/WebKit/Source/core/style/StyleImage.h
index bdd526d17d5263f8ccdf3f78983d18d31a9382e6..1cf15d2b9aa351aee55a0177c7b98341e087832e 100644
--- a/third_party/WebKit/Source/core/style/StyleImage.h
+++ b/third_party/WebKit/Source/core/style/StyleImage.h
@@ -77,6 +77,7 @@ public:
     ALWAYS_INLINE bool isGeneratedImage() const { return m_isGeneratedImage; }
     ALWAYS_INLINE bool isImageResourceSet() const { return m_isImageResourceSet; }
     ALWAYS_INLINE bool isInvalidImage() const { return m_isInvalidImage; }
+    ALWAYS_INLINE bool isPaintImage() const { return m_isPaintImage; }
 
     DEFINE_INLINE_VIRTUAL_TRACE() { }
 
@@ -87,6 +88,7 @@ protected:
         , m_isGeneratedImage(false)
         , m_isImageResourceSet(false)
         , m_isInvalidImage(false)
+        , m_isPaintImage(false)
     {
     }
     bool m_isImageResource:1;
@@ -94,6 +96,7 @@ protected:
     bool m_isGeneratedImage:1;
     bool m_isImageResourceSet:1;
     bool m_isInvalidImage:1;
+    bool m_isPaintImage:1;
 
     static LayoutSize applyZoom(const LayoutSize&, float multiplier);
     LayoutSize imageSizeForSVGImage(SVGImage*, float multiplier, const LayoutSize& defaultObjectSize) const;