Make blink classes and structures in core/css fast-allocated

Source/core/css/MediaQueryExp.h

Index: Source/core/css/MediaQueryExp.h
diff --git a/Source/core/css/MediaQueryExp.h b/Source/core/css/MediaQueryExp.h
index f5baa3061f809a4b988fd48e076ece7c0f2a8d08..7cdef16eaf620c04a91342e86609e868f8483ca5 100644
--- a/Source/core/css/MediaQueryExp.h
+++ b/Source/core/css/MediaQueryExp.h
@@ -34,6 +34,7 @@
 #include "core/MediaFeatureNames.h"
 #include "core/css/CSSPrimitiveValue.h"
 #include "core/css/CSSValue.h"
+#include "wtf/Allocator.h"
 #include "wtf/PassOwnPtr.h"
 #include "wtf/RefPtr.h"
 
@@ -42,6 +43,7 @@ namespace blink {
 class CSSParserToken;
 
 struct MediaQueryExpValue {
+    DISALLOW_ALLOCATION();
     CSSValueID id;
     double value;
     CSSPrimitiveValue::UnitType unit;