Add experimental v8 code cache options.

public/web/WebSettings.h

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 47 matching lines @@
     };
 
     enum V8CacheOptions {
         V8CacheOptionsDefault,
         V8CacheOptionsParse,
         V8CacheOptionsCode,
         V8CacheOptionsCodeCompressed,
         V8CacheOptionsNone,
         V8CacheOptionsParseMemory,
         V8CacheOptionsHeuristics,
-        V8CacheOptionsHeuristicsMobile
+        V8CacheOptionsHeuristicsMobile,
+        V8CacheOptionsHeuristicsDefault,
+        V8CacheOptionsHeuristicsDefaultMobile,
+        V8CacheOptionsRecent,
+        V8CacheOptionsRecentSmall
     };
 
     enum V8ScriptStreamingMode {
         V8ScriptStreamingModeAll,
         V8ScriptStreamingModeOnlyAsyncAndDefer,
         V8ScriptStreamingModeAllPlusBlockParsingBlocking,
     };
 
     // Bit field values indicating available pointer types. Identical to
     // blink::PointerType enums, enforced by compile-time assertions in
@@ skipping 177 matching lines @@
     virtual void setWideViewportQuirkEnabled(bool) = 0;
     virtual void setXSSAuditorEnabled(bool) = 0;
 
 protected:
     ~WebSettings() { }
 };
 
 } // namespace blink
 
 #endif