Disallow setting invalid values for registered properties via CSSOM

third_party/WebKit/Source/core/css/CSSComputedStyleDeclaration.cpp

Index: third_party/WebKit/Source/core/css/CSSComputedStyleDeclaration.cpp
diff --git a/third_party/WebKit/Source/core/css/CSSComputedStyleDeclaration.cpp b/third_party/WebKit/Source/core/css/CSSComputedStyleDeclaration.cpp
index 560cdf9049e3e82e25b1c3ec8cdf89104ace64f8..58fc7791df98a85bdaccb9bd3f07e679ce131b4a 100644
--- a/third_party/WebKit/Source/core/css/CSSComputedStyleDeclaration.cpp
+++ b/third_party/WebKit/Source/core/css/CSSComputedStyleDeclaration.cpp
@@ -515,7 +515,8 @@ bool CSSComputedStyleDeclaration::isPropertyImplicit(const String&) {
   return false;
 }
 
-void CSSComputedStyleDeclaration::setProperty(const String& name,
+void CSSComputedStyleDeclaration::setProperty(const ExecutionContext*,
+                                              const String& name,
                                               const String&,
                                               const String&,
                                               ExceptionState& exceptionState) {
@@ -555,6 +556,7 @@ void CSSComputedStyleDeclaration::setPropertyInternal(
     const String&,
     const String&,
     bool,
+    const ExecutionContext*,
     ExceptionState& exceptionState) {
   // TODO(leviw): This code is currently unreachable, but shouldn't be.
   exceptionState.throwDOMException(