Remove unnecessary zoom argument from GetImage() as its value is always available through the Layou…

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

Index: third_party/WebKit/Source/core/style/StyleInvalidImage.h
diff --git a/third_party/WebKit/Source/core/style/StyleInvalidImage.h b/third_party/WebKit/Source/core/style/StyleInvalidImage.h
index b7893ec1006899cc30272179fa0a5a7103993d5b..ea7bcb904dcd9c9b2cb1c8fcca7afdbb3d1d479b 100644
--- a/third_party/WebKit/Source/core/style/StyleInvalidImage.h
+++ b/third_party/WebKit/Source/core/style/StyleInvalidImage.h
@@ -34,8 +34,7 @@ class StyleInvalidImage final : public StyleImage {
   void AddClient(LayoutObject*) override {}
   void RemoveClient(LayoutObject*) override {}
   PassRefPtr<Image> GetImage(const LayoutObject&,
-                             const IntSize&,
-                             float) const override {
+                             const IntSize&) const override {
     return nullptr;
   }
   bool KnownToBeOpaque(const LayoutObject&) const override { return false; }