add access checks to receivers on function callbacks

test/cctest/test-api.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 8261 matching lines @@
   env2_global->TurnOnAccessCheck();
   env2->DetachGlobal();
 
   Local<Value> result;
   result = CompileRun("bound_x()");
   CHECK(v8_str("env2_x")->Equals(result));
   result = CompileRun("get_x()");
   CHECK(result.IsEmpty());
   result = CompileRun("get_x_w()");
   CHECK(result.IsEmpty());
-  result = CompileRun("this_x()");
-  CHECK(v8_str("env2_x")->Equals(result));
+  {
+    v8::TryCatch try_catch(env1->GetIsolate());
+    CompileRun("this_x()");
+    CHECK(try_catch.HasCaught());
+  }
 
   // Reattach env2's proxy
   env2 = Context::New(env1->GetIsolate(),
                       0,
                       v8::Handle<v8::ObjectTemplate>(),
                       env2_global);
   env2->SetSecurityToken(foo);
   {
     v8::Context::Scope scope(env2);
     env2->Global()->Set(v8_str("x"), v8_str("env3_x"));
@@ skipping 13453 matching lines @@
   }
   {
     v8::TryCatch try_catch;
     uint16_t* data = reinterpret_cast<uint16_t*>(buffer);
     CHECK(v8::String::NewFromTwoByte(isolate, data, v8::String::kNormalString,
                                      length).IsEmpty());
     CHECK(!try_catch.HasCaught());
   }
   free(buffer);
 }