1 files changed, 12 insertions, 14 deletions

diff --git a/Source/WebCore/css/CSSStyleDeclaration.h b/Source/WebCore/css/CSSStyleDeclaration.h
index ad3d8d584..e4e303859 100644
--- a/Source/WebCore/css/CSSStyleDeclaration.h
+++ b/Source/WebCore/css/CSSStyleDeclaration.h
@@ -18,10 +18,11 @@
  * Boston, MA 02110-1301, USA.
  */
 
-#ifndef CSSStyleDeclaration_h
-#define CSSStyleDeclaration_h
+#pragma once
 
 #include "CSSPropertyNames.h"
+#include "DeprecatedCSSOMValue.h"
+#include "ExceptionOr.h"
 #include "ScriptWrappable.h"
 #include <wtf/Forward.h>
 
@@ -35,8 +36,6 @@ class MutableStyleProperties;
 class StyleProperties;
 class StyledElement;
 
-typedef int ExceptionCode;
-
 class CSSStyleDeclaration : public ScriptWrappable {
     WTF_MAKE_NONCOPYABLE(CSSStyleDeclaration); WTF_MAKE_FAST_ALLOCATED;
 public:
@@ -45,34 +44,33 @@ public:
     virtual void ref() = 0;
     virtual void deref() = 0;
 
+    virtual StyledElement* parentElement() const { return nullptr; }
     virtual CSSRule* parentRule() const = 0;
     virtual String cssText() const = 0;
-    virtual void setCssText(const String&, ExceptionCode&) = 0;
+    virtual ExceptionOr<void> setCssText(const String&) = 0;
     virtual unsigned length() const = 0;
     virtual String item(unsigned index) const = 0;
-    virtual PassRefPtr<CSSValue> getPropertyCSSValue(const String& propertyName) = 0;
+    virtual RefPtr<DeprecatedCSSOMValue> getPropertyCSSValue(const String& propertyName) = 0;
     virtual String getPropertyValue(const String& propertyName) = 0;
     virtual String getPropertyPriority(const String& propertyName) = 0;
     virtual String getPropertyShorthand(const String& propertyName) = 0;
     virtual bool isPropertyImplicit(const String& propertyName) = 0;
-    virtual void setProperty(const String& propertyName, const String& value, const String& priority, ExceptionCode&) = 0;
-    virtual String removeProperty(const String& propertyName, ExceptionCode&) = 0;
+    virtual ExceptionOr<void> setProperty(const String& propertyName, const String& value, const String& priority) = 0;
+    virtual ExceptionOr<String> removeProperty(const String& propertyName) = 0;
 
     // CSSPropertyID versions of the CSSOM functions to support bindings and editing.
     // Use the non-virtual methods in the concrete subclasses when possible.
     // The CSSValue returned by this function should not be exposed to the web as it may be used by multiple documents at the same time.
-    virtual PassRefPtr<CSSValue> getPropertyCSSValueInternal(CSSPropertyID) = 0;
+    virtual RefPtr<CSSValue> getPropertyCSSValueInternal(CSSPropertyID) = 0;
     virtual String getPropertyValueInternal(CSSPropertyID) = 0;
-    virtual void setPropertyInternal(CSSPropertyID, const String& value, bool important, ExceptionCode&) = 0;
+    virtual ExceptionOr<bool> setPropertyInternal(CSSPropertyID, const String& value, bool important) = 0;
 
-    virtual PassRef<MutableStyleProperties> copyProperties() const = 0;
+    virtual Ref<MutableStyleProperties> copyProperties() const = 0;
 
-    virtual CSSStyleSheet* parentStyleSheet() const { return 0; }
+    virtual CSSStyleSheet* parentStyleSheet() const { return nullptr; }
 
 protected:
     CSSStyleDeclaration() { }
 };
 
 } // namespace WebCore
-
-#endif // CSSStyleDeclaration_h