Simplfy Pepepr2 bolierplate code.

webkit/glue/plugins/pepper_file_chooser.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 "webkit/glue/plugins/pepper_file_chooser.h"
 
 #include "base/logging.h"
 #include "third_party/ppapi/c/pp_completion_callback.h"
 #include "third_party/ppapi/c/pp_errors.h"
 #include "webkit/glue/plugins/pepper_file_ref.h"
 #include "webkit/glue/plugins/pepper_plugin_instance.h"
 #include "webkit/glue/plugins/pepper_resource_tracker.h"
 
 namespace pepper {
 
 namespace {
 
 PP_Resource Create(PP_Instance instance_id,
                    const PP_FileChooserOptions* options) {
   PluginInstance* instance = PluginInstance::FromPPInstance(instance_id);
   if (!instance)
     return 0;
 
   FileChooser* chooser = new FileChooser(instance, options);
   chooser->AddRef();  // AddRef for the caller.
   return chooser->GetResource();
 }
 
 bool IsFileChooser(PP_Resource resource) {
-  return !!ResourceTracker::Get()->GetAsFileChooser(resource).get();
+  return !!Resource::GetAs<FileChooser>(resource).get();
 }
 
 int32_t Show(PP_Resource chooser_id, PP_CompletionCallback callback) {
   scoped_refptr<FileChooser> chooser(
-      ResourceTracker::Get()->GetAsFileChooser(chooser_id).get());
+      Resource::GetAs<FileChooser>(chooser_id).get());
   if (!chooser.get())
     return PP_Error_BadResource;
 
   return chooser->Show(callback);
 }
 
 PP_Resource GetNextChosenFile(PP_Resource chooser_id) {
   scoped_refptr<FileChooser> chooser(
-      ResourceTracker::Get()->GetAsFileChooser(chooser_id).get());
+      Resource::GetAs<FileChooser>(chooser_id).get());
   if (!chooser.get())
     return 0;
 
   scoped_refptr<FileRef> file_ref(chooser->GetNextChosenFile());
   if (!file_ref.get())
     return 0;
   file_ref->AddRef();  // AddRef for the caller.
 
   return file_ref->GetResource();
 }
@@ skipping 26 matching lines @@
   NOTIMPLEMENTED();  // TODO(darin): Implement me!
   return PP_Error_Failed;
 }
 
 scoped_refptr<FileRef> FileChooser::GetNextChosenFile() {
   NOTIMPLEMENTED();  // TODO(darin): Implement me!
   return NULL;
 }
 
 }  // namespace pepper