Added allocator matcros to blink classes and structures in core/svg.

Source/core/svg/SVGElement.h

Index: Source/core/svg/SVGElement.h
diff --git a/Source/core/svg/SVGElement.h b/Source/core/svg/SVGElement.h
index f32ff7e03830a93dcfb6b6b3bdf5c4d668c4f4d5..1a33b83250076353cef0281db7d7d372e333919f 100644
--- a/Source/core/svg/SVGElement.h
+++ b/Source/core/svg/SVGElement.h
@@ -28,6 +28,7 @@
 #include "core/svg/SVGParsingError.h"
 #include "core/svg/properties/SVGPropertyInfo.h"
 #include "platform/heap/Handle.h"
+#include "wtf/Allocator.h"
 #include "wtf/HashMap.h"
 #include "wtf/OwnPtr.h"
 
@@ -245,6 +246,7 @@ private:
 };
 
 struct SVGAttributeHashTranslator {
+    STATIC_ONLY(SVGAttributeHashTranslator);
     static unsigned hash(const QualifiedName& key)
     {
         if (key.hasPrefix()) {