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

include/AdblockPlus/JsEngine.h

Index: include/AdblockPlus/JsEngine.h
===================================================================
--- a/include/AdblockPlus/JsEngine.h
+++ b/include/AdblockPlus/JsEngine.h
@@ -17,41 +17,44 @@
 
 #ifndef ADBLOCK_PLUS_JS_ENGINE_H
 #define ADBLOCK_PLUS_JS_ENGINE_H
 
 #include <map>
 #include <stdexcept>
 #include <stdint.h>
 #include <string>
-#include <v8.h>
 #include <AdblockPlus/AppInfo.h>
 #include <AdblockPlus/tr1_functional.h>
 #include <AdblockPlus/LogSystem.h>
 #include <AdblockPlus/FileSystem.h>
 #include <AdblockPlus/JsValue.h>
 #include <AdblockPlus/WebRequest.h>
 
 #include "tr1_memory.h"
 
+namespace v8
+{
+  class Arguments;
+  class Isolate;
+  class Context;
+  template <class T> class Handle;
+  template <class T> class Persistent;
+  typedef Handle<Value>(*InvocationCallback)(const Arguments &args);
+}
+
 namespace AdblockPlus
 {
-  class JsError : public std::runtime_error
-  {
-  public:
-    JsError(const v8::Handle<v8::Value> exception,
-            const v8::Handle<v8::Message> message);
-  };
-
   class JsEngine;
   typedef std::tr1::shared_ptr<JsEngine> JsEnginePtr;
 
   class JsEngine : public std::tr1::enable_shared_from_this<JsEngine>
   {
     friend class JsValue;
+    friend class JsContext;
 
   public:
     typedef std::tr1::function<void()> EventCallback;
     typedef std::map<std::string, EventCallback> EventMap;
 
     static JsEnginePtr New(const AppInfo& appInfo = AppInfo());
     void SetEventCallback(const std::string& eventName, EventCallback callback);
     void RemoveEventCallback(const std::string& eventName);
@@ -83,33 +86,21 @@ namespace AdblockPlus
 
     FileSystemPtr GetFileSystem();
     void SetFileSystem(FileSystemPtr val);
     WebRequestPtr GetWebRequest();
     void SetWebRequest(WebRequestPtr val);
     LogSystemPtr GetLogSystem();
     void SetLogSystem(LogSystemPtr val);
 
-    class Context
-    {
-    public:
-      Context(const JsEnginePtr jsEngine);
-      virtual inline ~Context() {};
-
-    private:
-      const v8::Locker locker;
-      const v8::HandleScope handleScope;
-      const v8::Context::Scope contextScope;
-    };
-
   private:
     JsEngine();
 
     FileSystemPtr fileSystem;
     WebRequestPtr webRequest;
     LogSystemPtr logSystem;
     v8::Isolate* isolate;
-    v8::Persistent<v8::Context> context;
+    std::auto_ptr<v8::Persistent<v8::Context> > context;
     EventMap eventCallbacks;
   };
 }
 
 #endif