Remove RenderObject::isVideo

sky/engine/core/rendering/RenderImage.cpp

Index: sky/engine/core/rendering/RenderImage.cpp
diff --git a/sky/engine/core/rendering/RenderImage.cpp b/sky/engine/core/rendering/RenderImage.cpp
index 7007366fa04ec560cdf58e180c533a76ea8a5881..671ef94072d31c1035e2984eb65b426bb8dba5fa 100644
--- a/sky/engine/core/rendering/RenderImage.cpp
+++ b/sky/engine/core/rendering/RenderImage.cpp
@@ -520,7 +520,7 @@ void RenderImage::computeIntrinsicRatioInformation(FloatSize& intrinsicSize, dou
     }
     // Don't compute an intrinsic ratio to preserve historical WebKit behavior if we're painting alt text and/or a broken image.
     // Video is excluded from this behavior because video elements have a default aspect ratio that a failed poster image load should not override.
-    if (m_imageResource && m_imageResource->errorOccurred() && !isVideo()) {
+    if (m_imageResource && m_imageResource->errorOccurred()) {
         intrinsicRatio = 1;
         return;
     }