Disallow setting invalid values for registered properties via CSSOM

third_party/WebKit/Source/core/css/CSSStyleDeclaration.h

Index: third_party/WebKit/Source/core/css/CSSStyleDeclaration.h
diff --git a/third_party/WebKit/Source/core/css/CSSStyleDeclaration.h b/third_party/WebKit/Source/core/css/CSSStyleDeclaration.h
index e86d46f9624c6f48bf3332be5271da3f1676dd16..bc136ceb746965ac612d1dd8a97edf97b81031e2 100644
--- a/third_party/WebKit/Source/core/css/CSSStyleDeclaration.h
+++ b/third_party/WebKit/Source/core/css/CSSStyleDeclaration.h
@@ -34,6 +34,7 @@ class CSSRule;
 class CSSStyleSheet;
 class CSSValue;
 class ExceptionState;
+class ExecutionContext;
 
 class CORE_EXPORT CSSStyleDeclaration
     : public GarbageCollectedFinalized<CSSStyleDeclaration>,
@@ -47,7 +48,7 @@ class CORE_EXPORT CSSStyleDeclaration
   virtual CSSRule* parentRule() const = 0;
   String cssFloat() { return getPropertyValueInternal(CSSPropertyFloat); }
   void setCSSFloat(const String& value, ExceptionState& exceptionState) {
-    setPropertyInternal(CSSPropertyFloat, String(), value, false,
+    setPropertyInternal(CSSPropertyFloat, String(), value, false, nullptr,
                         exceptionState);
   }
   virtual String cssText() const = 0;
@@ -58,7 +59,8 @@ class CORE_EXPORT CSSStyleDeclaration
   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,
+  virtual void setProperty(const ExecutionContext*,
+                           const String& propertyName,
                            const String& value,
                            const String& priority,
                            ExceptionState&) = 0;
@@ -78,6 +80,7 @@ class CORE_EXPORT CSSStyleDeclaration
                                    const String& propertyValue,
                                    const String& value,
                                    bool important,
+                                   const ExecutionContext*,
                                    ExceptionState&) = 0;
 
   virtual bool cssPropertyMatches(CSSPropertyID, const CSSValue*) const = 0;