Make the PPP wrappers take an Instance*.

ppapi/cpp/dev/find_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/find_dev.h"
 
 #include "ppapi/c/dev/ppb_find_dev.h"
 #include "ppapi/cpp/instance.h"
 #include "ppapi/cpp/module.h"
 #include "ppapi/cpp/module_impl.h"
@@ skipping 32 matching lines @@
 }
 
 const PPP_Find_Dev ppp_find = {
   &StartFind,
   &SelectFindResult,
   &StopFind
 };
 
 }  // namespace
 
-Find_Dev::Find_Dev(const InstanceHandle& instance)
-    : associated_instance_(instance) {
+Find_Dev::Find_Dev(Instance* instance) : associated_instance_(instance) {
   Module::Get()->AddPluginInterface(kPPPFindInterface, &ppp_find);
-  Instance::AddPerInstanceObject(instance, kPPPFindInterface, this);
+  instance->AddPerInstanceObject(kPPPFindInterface, this);
 }
 
 Find_Dev::~Find_Dev() {
   Instance::RemovePerInstanceObject(associated_instance_,
                                     kPPPFindInterface, this);
 }
 
 void Find_Dev::NumberOfFindResultsChanged(int32_t total, bool final_result) {
   if (has_interface<PPB_Find_Dev>()) {
     get_interface<PPB_Find_Dev>()->NumberOfFindResultsChanged(
         associated_instance_.pp_instance(), total, PP_FromBool(final_result));
   }
 }
 
 void Find_Dev::SelectedFindResultChanged(int32_t index) {
   if (has_interface<PPB_Find_Dev>()) {
     get_interface<PPB_Find_Dev>()->SelectedFindResultChanged(
         associated_instance_.pp_instance(), index);
   }
 }
 
 }  // namespace pp