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

ppapi/cpp/dev/printing_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/printing_dev.h"
 
 #include "ppapi/cpp/instance.h"
+#include "ppapi/cpp/instance_handle.h"
 #include "ppapi/cpp/module.h"
 #include "ppapi/cpp/module_impl.h"
 
 namespace pp {
 
 namespace {
 
 static const char kPPPPrintingInterface[] = PPP_PRINTING_DEV_INTERFACE;
 
 uint32_t QuerySupportedFormats(PP_Instance instance) {
   void* object =
-      pp::Instance::GetPerInstanceObject(instance, kPPPPrintingInterface);
+      Instance::GetPerInstanceObject(instance, kPPPPrintingInterface);
   if (!object)
     return 0;
   return static_cast<Printing_Dev*>(object)->QuerySupportedPrintOutputFormats();
 }
 
 int32_t Begin(PP_Instance instance,
               const struct PP_PrintSettings_Dev* print_settings) {
   void* object =
-      pp::Instance::GetPerInstanceObject(instance, kPPPPrintingInterface);
+      Instance::GetPerInstanceObject(instance, kPPPPrintingInterface);
   if (!object)
     return 0;
   return static_cast<Printing_Dev*>(object)->PrintBegin(*print_settings);
 }
 
 PP_Resource PrintPages(PP_Instance instance,
                        const struct PP_PrintPageNumberRange_Dev* page_ranges,
                        uint32_t page_range_count) {
   void* object =
       pp::Instance::GetPerInstanceObject(instance, kPPPPrintingInterface);
@@ skipping 23 matching lines @@
 const PPP_Printing_Dev ppp_printing = {
   &QuerySupportedFormats,
   &Begin,
   &PrintPages,
   &End,
   &IsScalingDisabled
 };
 
 }  // namespace
 
-Printing_Dev::Printing_Dev(Instance* instance)
+Printing_Dev::Printing_Dev(const InstanceHandle& instance)
       : associated_instance_(instance) {
-  pp::Module::Get()->AddPluginInterface(kPPPPrintingInterface, &ppp_printing);
-  associated_instance_->AddPerInstanceObject(kPPPPrintingInterface, this);
+  Module::Get()->AddPluginInterface(kPPPPrintingInterface, &ppp_printing);
+  Instance::AddPerInstanceObject(instance, kPPPPrintingInterface, this);
 }
 
 Printing_Dev::~Printing_Dev() {
-  associated_instance_->RemovePerInstanceObject(kPPPPrintingInterface, this);
+  Instance::RemovePerInstanceObject(associated_instance_,
+                                    kPPPPrintingInterface, this);
 }
 
 }  // namespace pp