remove Isolate::GetCurrent from Context api functions

src/d8.cc

 // Copyright 2012 the V8 project authors. 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
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 245 matching lines @@
     }
   }
 }
 
 
 PerIsolateData::RealmScope::RealmScope(PerIsolateData* data) : data_(data) {
   data_->realm_count_ = 1;
   data_->realm_current_ = 0;
   data_->realm_switch_ = 0;
   data_->realms_ = new Persistent<Context>[1];
-  data_->realms_[0].Reset(data_->isolate_, Context::GetEntered());
+  data_->realms_[0].Reset(data_->isolate_,
+                          data_->isolate_->GetEnteredContext());
   data_->realm_shared_.Clear();
 }
 
 
 PerIsolateData::RealmScope::~RealmScope() {
   // Drop realms to avoid keeping them alive.
   for (int i = 0; i < data_->realm_count_; ++i)
     data_->realms_[i].Dispose();
   delete[] data_->realms_;
   if (!data_->realm_shared_.IsEmpty())
     data_->realm_shared_.Dispose();
 }
 
 
 int PerIsolateData::RealmFind(Handle<Context> context) {
   for (int i = 0; i < realm_count_; ++i) {
     if (realms_[i] == context) return i;
   }
   return -1;
 }
 
 
 // Realm.current() returns the index of the currently active realm.
 void Shell::RealmCurrent(const v8::FunctionCallbackInfo<v8::Value>& args) {
   Isolate* isolate = args.GetIsolate();
   PerIsolateData* data = PerIsolateData::Get(isolate);
-  int index = data->RealmFind(Context::GetEntered());
+  int index = data->RealmFind(isolate->GetEnteredContext());
   if (index == -1) return;
   args.GetReturnValue().Set(index);
 }
 
 
 // Realm.owner(o) returns the index of the realm that created o.
 void Shell::RealmOwner(const v8::FunctionCallbackInfo<v8::Value>& args) {
   Isolate* isolate = args.GetIsolate();
   PerIsolateData* data = PerIsolateData::Get(isolate);
   if (args.Length() < 1 || !args[0]->IsObject()) {
@@ skipping 1421 matching lines @@
 }
 
 }  // namespace v8
 
 
 #ifndef GOOGLE3
 int main(int argc, char* argv[]) {
   return v8::Shell::Main(argc, argv);
 }
 #endif