1 files changed, 9 insertions, 0 deletions
diff --git a/Source/WebCore/css/CSSFontFaceRule.cpp b/Source/WebCore/css/CSSFontFaceRule.cpp
index bcc8639ed..e85a6e44c 100644
--- a/Source/WebCore/css/CSSFontFaceRule.cpp
+++ b/Source/WebCore/css/CSSFontFaceRule.cpp
@@ -22,6 +22,7 @@
 #include "config.h"
 #include "CSSFontFaceRule.h"
 
+#include "MemoryInstrumentation.h"
 #include "StylePropertySet.h"
 #include "StyleRule.h"
 
@@ -63,4 +64,12 @@ void CSSFontFaceRule::reattach(StyleRuleFontFace* rule)
         m_propertiesCSSOMWrapper->reattach(m_fontFaceRule->mutableProperties());
 }
 
+void CSSFontFaceRule::reportDescendantMemoryUsage(MemoryObjectInfo* memoryObjectInfo) const
+{
+    MemoryClassInfo info(memoryObjectInfo, this, MemoryInstrumentation::CSS);
+    CSSRule::reportBaseClassMemoryUsage(memoryObjectInfo);
+    info.addInstrumentedMember(m_fontFaceRule);
+    info.addInstrumentedMember(m_propertiesCSSOMWrapper);
+}
+
 } // namespace WebCore