Get rid of dependencies on v8.h in public header files

include/AdblockPlus/JsValue.h

Index: include/AdblockPlus/JsValue.h
===================================================================
--- a/include/AdblockPlus/JsValue.h
+++ b/include/AdblockPlus/JsValue.h
@@ -16,19 +16,25 @@
  */
 
 #ifndef ADBLOCK_PLUS_JS_VALUE_H
 #define ADBLOCK_PLUS_JS_VALUE_H
 
 #include <stdint.h>
 #include <string>
 #include <vector>
-#include <v8.h>
 #include "tr1_memory.h"
 
+namespace v8
+{
+  class Value;
+  template <class T> class Handle;
+  template <class T> class Persistent;
+}
+
 namespace AdblockPlus
 {
   class JsValue;
   class JsEngine;
 
   typedef std::tr1::shared_ptr<JsValue> JsValuePtr;
   typedef std::vector<AdblockPlus::JsValuePtr> JsValueList;
 
@@ -71,13 +77,13 @@ namespace AdblockPlus
     std::string GetClass() const;
     JsValuePtr Call(const JsValueList& params = JsValueList(),
         AdblockPlus::JsValuePtr thisPtr = AdblockPlus::JsValuePtr()) const;
   protected:
     JsValue(JsEnginePtr jsEngine, v8::Handle<v8::Value> value);
     void SetProperty(const std::string& name, v8::Handle<v8::Value> val);
 
     JsEnginePtr jsEngine;
-    v8::Persistent<v8::Value> value;
+    std::auto_ptr<v8::Persistent<v8::Value> > value;
   };
 }
 
 #endif