Optionally compress V8 code cache data with snappy.

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 37 matching lines @@
     enum EditingBehavior {
         EditingBehaviorMac,
         EditingBehaviorWin,
         EditingBehaviorUnix,
         EditingBehaviorAndroid
     };
 
     enum V8CacheOptions {
         V8CacheOptionsOff,
         V8CacheOptionsParse,
-        V8CacheOptionsCode
+        V8CacheOptionsCode,
+        V8CacheOptionsCodeCompressed
     };
 
     enum V8ScriptStreamingMode {
         V8ScriptStreamingModeAll,
         V8ScriptStreamingModeOnlyAsyncAndDefer,
         V8ScriptStreamingModeAllPlusBlockParsingBlocking,
     };
 
     // Bit field values to tell Blink what kind of pointer/hover types are
     // available on the system. These must match the enums in
@@ skipping 169 matching lines @@
     virtual void setWideViewportQuirkEnabled(bool) = 0;
     virtual void setXSSAuditorEnabled(bool) = 0;
 
 protected:
     ~WebSettings() { }
 };
 
 } // namespace blink
 
 #endif