Add an instance parameter to var objects, audio, and the 2D API. This replace...

ppapi/cpp/dev/audio_dev.cc

 // Copyright (c) 2010 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/audio_dev.h"
 
 #include "ppapi/cpp/module_impl.h"
 
 namespace pp {
 
 namespace {
 
 template <> const char* interface_name<PPB_Audio_Dev>() {
   return PPB_AUDIO_DEV_INTERFACE;
 }
 
 }  // namespace
 
-Audio_Dev::Audio_Dev(const Instance& instance,
+Audio_Dev::Audio_Dev(Instance* instance,
                      const AudioConfig_Dev& config,
                      PPB_Audio_Callback callback,
                      void* user_data)
     : config_(config) {
   if (has_interface<PPB_Audio_Dev>()) {
     PassRefFromConstructor(get_interface<PPB_Audio_Dev>()->Create(
-        instance.pp_instance(), config.pp_resource(), callback, user_data));
+        instance->pp_instance(), config.pp_resource(), callback, user_data));
   }
 }
 
 bool Audio_Dev::StartPlayback() {
   return has_interface<PPB_Audio_Dev>() &&
       get_interface<PPB_Audio_Dev>()->StartPlayback(pp_resource());
 }
 
 bool Audio_Dev::StopPlayback() {
   return has_interface<PPB_Audio_Dev>() &&
       get_interface<PPB_Audio_Dev>()->StopPlayback(pp_resource());
 }
 
 }  // namespace pp