Index: third_party/WebKit/Source/core/css/resolver/StyleResolver.cpp |
diff --git a/third_party/WebKit/Source/core/css/resolver/StyleResolver.cpp b/third_party/WebKit/Source/core/css/resolver/StyleResolver.cpp |
index 7cb4edda2987be15d54fa106b4b56ec55a94ce70..80c81b266ea5a8045f5e08536317975f527f100a 100644 |
--- a/third_party/WebKit/Source/core/css/resolver/StyleResolver.cpp |
+++ b/third_party/WebKit/Source/core/css/resolver/StyleResolver.cpp |
@@ -683,6 +683,7 @@ PassRefPtr<ComputedStyle> StyleResolver::styleForDocument(Document& document) |
documentFontDescription.setLocale(document.contentLanguage()); |
documentStyle->setFontDescription(documentFontDescription); |
documentStyle->setZIndex(0); |
+ documentStyle->setIsStackingContext(true); |
documentStyle->setUserModify(document.inDesignMode() ? READ_WRITE : READ_ONLY); |
// These are designed to match the user-agent stylesheet values for the document element |
// so that the common case doesn't need to create a new ComputedStyle in |