Replace Handle<> with Local in remaining gin/*

gin/dictionary.cc

Index: gin/dictionary.cc
diff --git a/gin/dictionary.cc b/gin/dictionary.cc
index d3361228bb21a9e61f03c1f858f1dc45c3d590bf..018a82c66f39878381f5dd59cd2797875c3bcec1 100644
--- a/gin/dictionary.cc
+++ b/gin/dictionary.cc
@@ -11,7 +11,7 @@ Dictionary::Dictionary(v8::Isolate* isolate)
 }
 
 Dictionary::Dictionary(v8::Isolate* isolate,
-                       v8::Handle<v8::Object> object)
+                       v8::Local<v8::Object> object)
     : isolate_(isolate),
       object_(object) {
 }
@@ -25,17 +25,17 @@ Dictionary Dictionary::CreateEmpty(v8::Isolate* isolate) {
   return dictionary;
 }
 
-v8::Handle<v8::Value> Converter<Dictionary>::ToV8(v8::Isolate* isolate,
+v8::Local<v8::Value> Converter<Dictionary>::ToV8(v8::Isolate* isolate,
                                                   Dictionary val) {
   return val.object_;
 }
 
 bool Converter<Dictionary>::FromV8(v8::Isolate* isolate,
-                                   v8::Handle<v8::Value> val,
+                                   v8::Local<v8::Value> val,
                                    Dictionary* out) {
   if (!val->IsObject())
     return false;
-  *out = Dictionary(isolate, v8::Handle<v8::Object>::Cast(val));
+  *out = Dictionary(isolate, v8::Local<v8::Object>::Cast(val));
   return true;
 }