remove memoryinstrumentation

Source/core/css/CSSImageSetValue.cpp

Index: Source/core/css/CSSImageSetValue.cpp
diff --git a/Source/core/css/CSSImageSetValue.cpp b/Source/core/css/CSSImageSetValue.cpp
index 7a6026baa8431e9965a99fd429ee63bcbaed10cd..879f29a7321755b55e2eea86f48ed90b88fb9f8f 100644
--- a/Source/core/css/CSSImageSetValue.cpp
+++ b/Source/core/css/CSSImageSetValue.cpp
@@ -38,8 +38,7 @@
 #include "Page.h"
 #include "StyleCachedImageSet.h"
 #include "StylePendingImage.h"
-#include "WebCoreMemoryInstrumentation.h"
-#include <wtf/MemoryInstrumentationVector.h>
+#include <wtf/text/StringBuilder.h>
 
 namespace WebCore {
 
@@ -195,19 +194,6 @@ PassRefPtr<CSSImageSetValue> CSSImageSetValue::cloneForCSSOM() const
     return adoptRef(new CSSImageSetValue(*this));
 }
 
-void CSSImageSetValue::reportDescendantMemoryUsage(MemoryObjectInfo* memoryObjectInfo) const
-{
-    MemoryClassInfo info(memoryObjectInfo, this, WebCoreMemoryTypes::CSS);
-    CSSValueList::reportDescendantMemoryUsage(memoryObjectInfo);
-    info.addMember(m_imagesInSet, "imagesInSet");
-}
-
-void CSSImageSetValue::ImageWithScale::reportMemoryUsage(MemoryObjectInfo* memoryObjectInfo) const
-{
-    MemoryClassInfo info(memoryObjectInfo, this, WebCoreMemoryTypes::CSS);
-    info.addMember(imageURL, "imageURL");
-}
-
 } // namespace WebCore
 
 #endif // ENABLE(CSS_IMAGE_SET)