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

ppapi/cpp/dev/message_loop_dev.cc

 // Copyright (c) 2012 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/message_loop_dev.h"
 
 #include "ppapi/c/dev/ppb_message_loop_dev.h"
 #include "ppapi/c/pp_errors.h"
 #include "ppapi/cpp/completion_callback.h"
-#include "ppapi/cpp/instance.h"
+#include "ppapi/cpp/instance_handle.h"
 #include "ppapi/cpp/module_impl.h"
 
 namespace pp {
 
 namespace {
 
 template <> const char* interface_name<PPB_MessageLoop_Dev>() {
   return PPB_MESSAGELOOP_DEV_INTERFACE_0_1;
 }
 
 }  // namespace
 
 MessageLoop_Dev::MessageLoop_Dev() : Resource() {
 }
 
-MessageLoop_Dev::MessageLoop_Dev(Instance* instance) : Resource() {
+MessageLoop_Dev::MessageLoop_Dev(const InstanceHandle& instance) : Resource() {
   if (has_interface<PPB_MessageLoop_Dev>()) {
     PassRefFromConstructor(get_interface<PPB_MessageLoop_Dev>()->Create(
-        instance->pp_instance()));
+        instance.pp_instance()));
   }
 }
 
 MessageLoop_Dev::MessageLoop_Dev(const MessageLoop_Dev& other)
     : Resource(other) {
 }
 
 MessageLoop_Dev::MessageLoop_Dev(PP_Resource pp_message_loop)
     : Resource(pp_message_loop) {
 }
@@ skipping 38 matching lines @@
 }
 
 int32_t MessageLoop_Dev::PostQuit(bool should_destroy) {
   if (!has_interface<PPB_MessageLoop_Dev>())
     return PP_ERROR_NOINTERFACE;
   return get_interface<PPB_MessageLoop_Dev>()->PostQuit(
       pp_resource(), PP_FromBool(should_destroy));
 }
 
 }  // namespace pp