Simplify context setup, set properties on the global object directly instead of using templates

src/JsEngine.cpp

Index: src/JsEngine.cpp
===================================================================
--- a/src/JsEngine.cpp
+++ b/src/JsEngine.cpp
@@ -1,27 +1,16 @@
 #include <AdblockPlus.h>
 #include <sstream>
 
 #include "GlobalJsObject.h"
 #include "Utils.h"
 
 namespace
 {
-  v8::Handle<v8::Context> CreateContext(
-    v8::Isolate* isolate,
-    AdblockPlus::JsEngine& jsEngine)
-  {
-    const v8::Locker locker(isolate);
-    const v8::HandleScope handleScope;
-    const v8::Handle<v8::ObjectTemplate> global =
-      AdblockPlus::GlobalJsObject::Create(jsEngine);
-    return v8::Context::New(0, global);
-  }
-
   v8::Handle<v8::Script> CompileScript(const std::string& source, const std::string& filename)
   {
     const v8::Handle<v8::String> v8Source = v8::String::New(source.c_str());
     if (filename.length())
     {
       const v8::Handle<v8::String> v8Filename = v8::String::New(filename.c_str());
       return v8::Script::Compile(v8Source, v8Filename);
     }
@@ -56,19 +45,24 @@ AdblockPlus::JsError::JsError(const v8::
   : std::runtime_error(ExceptionToString(exception, message))
 {
 }
 
 AdblockPlus::JsEngine::JsEngine(FileSystem* const fileSystem,
                                 WebRequest* const webRequest,
                                 ErrorCallback* const errorCallback)
   : fileSystem(*fileSystem), webRequest(*webRequest),
-    errorCallback(*errorCallback), isolate(v8::Isolate::GetCurrent()),
-    context(CreateContext(isolate, *this))
+    errorCallback(*errorCallback), isolate(v8::Isolate::GetCurrent())
 {
+  const v8::Locker locker(isolate);
+  const v8::HandleScope handleScope;
+
+  context = v8::Context::New();
+  AdblockPlus::GlobalJsObject::Setup(*this,
+      JsValuePtr(new JsValue(*this, context->Global())));
 }
 
 AdblockPlus::JsValuePtr AdblockPlus::JsEngine::Evaluate(const std::string& source,
     const std::string& filename)
 {
   const Context context(*this);
   const v8::TryCatch tryCatch;
   const v8::Handle<v8::Script> script = CompileScript(source, filename);
@@ -110,16 +104,26 @@ AdblockPlus::JsValuePtr AdblockPlus::JsE
 }
 
 AdblockPlus::JsValuePtr AdblockPlus::JsEngine::NewObject()
 {
   const Context context(*this);
   return JsValuePtr(new JsValue(*this, v8::Object::New()));
 }
 
+AdblockPlus::JsValuePtr AdblockPlus::JsEngine::NewCallback(
+    v8::InvocationCallback callback)
+{
+  const Context context(*this);
+
+  v8::Local<v8::FunctionTemplate> templ = v8::FunctionTemplate::New(callback,
+      v8::External::New(this));
+  return JsValuePtr(new JsValue(*this, templ->GetFunction()));
+}
+
 AdblockPlus::JsEngine& AdblockPlus::JsEngine::FromArguments(const v8::Arguments& arguments)
 {
   const v8::Local<const v8::External> external =
       v8::Local<const v8::External>::Cast(arguments.Data());
   return *static_cast<JsEngine* const>(external->Value());
 }
 
 AdblockPlus::JsValueList AdblockPlus::JsEngine::ConvertArguments(const v8::Arguments& arguments)