Convert resources to take an instance key instead of an Instance*.

ppapi/cpp/dev/ime_input_event_dev.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ppapi/cpp/dev/ime_input_event_dev.h"
 
 #include "ppapi/cpp/instance.h"
 #include "ppapi/cpp/module.h"
 #include "ppapi/cpp/module_impl.h"
 #include "ppapi/cpp/var.h"
@@ skipping 20 matching lines @@
   if (get_interface<PPB_IMEInputEvent_Dev>()->IsIMEInputEvent(
       event.pp_resource())) {
     Module::Get()->core()->AddRefResource(event.pp_resource());
     PassRefFromConstructor(event.pp_resource());
   }
 }
 
 Var IMEInputEvent_Dev::GetText() const {
   if (!has_interface<PPB_IMEInputEvent_Dev>())
     return Var();
-  return Var(Var::PassRef(),
+  return Var(PASS_REF,
              get_interface<PPB_IMEInputEvent_Dev>()->GetText(pp_resource()));
 }
 
 uint32_t IMEInputEvent_Dev::GetSegmentNumber() const {
   if (!has_interface<PPB_IMEInputEvent_Dev>())
     return 0;
   return get_interface<PPB_IMEInputEvent_Dev>()->GetSegmentNumber(
       pp_resource());
 }
 
@@ skipping 16 matching lines @@
   if (!has_interface<PPB_IMEInputEvent_Dev>())
     return range;
   get_interface<PPB_IMEInputEvent_Dev>()->GetSelection(pp_resource(),
                                                        &range.first,
                                                        &range.second);
   return range;
 }
 
 
 }  // namespace pp