NOT FOR LANDING Allocate SVGImageForContainer on demand

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

Index: third_party/WebKit/Source/core/style/StylePendingImage.h
diff --git a/third_party/WebKit/Source/core/style/StylePendingImage.h b/third_party/WebKit/Source/core/style/StylePendingImage.h
index 458a732a8dccdd8d1fb69d2fe425158bcb5bf7b4..b906a86bd59193540565846d5e8410a91f194c18 100644
--- a/third_party/WebKit/Source/core/style/StylePendingImage.h
+++ b/third_party/WebKit/Source/core/style/StylePendingImage.h
@@ -66,15 +66,15 @@ public:
     bool imageHasRelativeHeight() const override { return false; }
     void computeIntrinsicDimensions(const LayoutObject*, Length& /* intrinsicWidth */ , Length& /* intrinsicHeight */, FloatSize& /* intrinsicRatio */) override { }
     bool usesImageContainerSize() const override { return false; }
-    void setContainerSizeForLayoutObject(const LayoutObject*, const IntSize&, float) override { }
     void addClient(LayoutObject*) override { }
     void removeClient(LayoutObject*) override { }
-    PassRefPtr<Image> image(const LayoutObject*, const IntSize&) const override
+    PassRefPtr<Image> image(const LayoutObject*, const IntSize&, float, const KURL& url) const override
     {
         ASSERT_NOT_REACHED();
         return nullptr;
     }
     bool knownToBeOpaque(const LayoutObject*) const override { return false; }
+    KURL url() const override { return KURL(); }
 
     DEFINE_INLINE_VIRTUAL_TRACE()
     {