| Index: third_party/WebKit/Source/core/dom/Document.cpp | 
| diff --git a/third_party/WebKit/Source/core/dom/Document.cpp b/third_party/WebKit/Source/core/dom/Document.cpp | 
| index 4049c86fb7136e058b7e3f673ad16197b45175d2..5601300f9a4cdb894aae225871409e5c1ea3108f 100644 | 
| --- a/third_party/WebKit/Source/core/dom/Document.cpp | 
| +++ b/third_party/WebKit/Source/core/dom/Document.cpp | 
| @@ -431,6 +431,7 @@ Document::Document(const DocumentInit& initializer, DocumentClassFlags documentC | 
| , m_hasXMLDeclaration(0) | 
| , m_designMode(false) | 
| , m_isRunningExecCommand(false) | 
| +    , m_useCascadeOrderForShadowDOMV1(false) | 
| , m_hasAnnotatedRegions(false) | 
| , m_annotatedRegionsDirty(false) | 
| , m_useSecureKeyboardEntryWhenActive(false) | 
|  |