Fire attributeChangedCallback on style changes for Custom Elements V1

third_party/WebKit/Source/bindings/core/v8/custom/V8CSSStyleDeclarationCustom.cpp

Index: third_party/WebKit/Source/bindings/core/v8/custom/V8CSSStyleDeclarationCustom.cpp
diff --git a/third_party/WebKit/Source/bindings/core/v8/custom/V8CSSStyleDeclarationCustom.cpp b/third_party/WebKit/Source/bindings/core/v8/custom/V8CSSStyleDeclarationCustom.cpp
index 9d3e97215055c26aa3306c340e496bc8e39c3667..2117ab53ac3f81f563b2c18cfebeced8528aff29 100644
--- a/third_party/WebKit/Source/bindings/core/v8/custom/V8CSSStyleDeclarationCustom.cpp
+++ b/third_party/WebKit/Source/bindings/core/v8/custom/V8CSSStyleDeclarationCustom.cpp
@@ -38,6 +38,7 @@
 #include "core/css/CSSStyleDeclaration.h"
 #include "core/css/CSSValue.h"
 #include "core/css/parser/CSSParser.h"
+#include "core/dom/custom/CEReactionsScope.h"
 #include "core/events/EventTarget.h"
 #include "wtf/ASCIICType.h"
 #include "wtf/PassRefPtr.h"
@@ -212,6 +213,8 @@ void V8CSSStyleDeclaration::namedPropertySetterCustom(v8::Local<v8::Name> name,
     if (!unresolvedProperty)
         return;
 
+    CEReactionsScope ceReactionsScope;
+
     TOSTRING_VOID(V8StringResource<TreatNullAsNullString>, propertyValue, value);
     ExceptionState exceptionState(ExceptionState::SetterContext, getPropertyName(resolveCSSPropertyID(unresolvedProperty)), "CSSStyleDeclaration", info.Holder(), info.GetIsolate());
     // TODO(leviw): This API doesn't support custom properties.