Make classes and structures in core/html fast-allocated.

Source/core/html/parser/HTMLParserOptions.h

Index: Source/core/html/parser/HTMLParserOptions.h
diff --git a/Source/core/html/parser/HTMLParserOptions.h b/Source/core/html/parser/HTMLParserOptions.h
index 8d8ef514c68598705639d8a995eee40f55dc6dac..2619b0881a264216e2c05344991f4e29072301a4 100644
--- a/Source/core/html/parser/HTMLParserOptions.h
+++ b/Source/core/html/parser/HTMLParserOptions.h
@@ -27,12 +27,14 @@
 #define HTMLParserOptions_h
 
 #include "core/CoreExport.h"
+#include "wtf/Allocator.h"
 
 namespace blink {
 
 class Document;
 
 class CORE_EXPORT HTMLParserOptions {
+    DISALLOW_ALLOCATION();
 public:
     bool scriptEnabled;
     bool pluginsEnabled;