Remove webkit::ppapi::Resource.

webkit/plugins/ppapi/ppb_file_system_impl.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 "webkit/plugins/ppapi/ppb_file_system_impl.h"
 
 #include "base/memory/ref_counted.h"
 #include "ppapi/c/pp_completion_callback.h"
 #include "ppapi/c/ppb_file_system.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebDocument.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebElement.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebFrame.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebPluginContainer.h"
 #include "webkit/fileapi/file_system_types.h"
 #include "webkit/plugins/ppapi/common.h"
 #include "webkit/plugins/ppapi/file_callbacks.h"
 #include "webkit/plugins/ppapi/plugin_delegate.h"
 #include "webkit/plugins/ppapi/plugin_module.h"
 #include "webkit/plugins/ppapi/ppapi_plugin_instance.h"
 #include "webkit/plugins/ppapi/ppb_directory_reader_impl.h"
-#include "webkit/plugins/ppapi/resource.h"
-#include "webkit/plugins/ppapi/resource_tracker.h"
+#include "webkit/plugins/ppapi/resource_helper.h"
 
 using ppapi::thunk::PPB_FileSystem_API;
 
 namespace webkit {
 namespace ppapi {
 
-PPB_FileSystem_Impl::PPB_FileSystem_Impl(PluginInstance* instance,
+PPB_FileSystem_Impl::PPB_FileSystem_Impl(PP_Instance instance,
                                          PP_FileSystemType type)
     : Resource(instance),
-      instance_(instance),
       type_(type),
       opened_(false),
       called_open_(false) {
   DCHECK(type_ != PP_FILESYSTEMTYPE_INVALID);
 }
 
 PPB_FileSystem_Impl::~PPB_FileSystem_Impl() {
 }
 
 // static
-PP_Resource PPB_FileSystem_Impl::Create(PluginInstance* instance,
+PP_Resource PPB_FileSystem_Impl::Create(PP_Instance instance,
                                         PP_FileSystemType type) {
   if (type != PP_FILESYSTEMTYPE_EXTERNAL &&
       type != PP_FILESYSTEMTYPE_LOCALPERSISTENT &&
       type != PP_FILESYSTEMTYPE_LOCALTEMPORARY)
     return 0;
   return (new PPB_FileSystem_Impl(instance, type))->GetReference();
 }
 
 PPB_FileSystem_API* PPB_FileSystem_Impl::AsPPB_FileSystem_API() {
   return this;
 }
 
 int32_t PPB_FileSystem_Impl::Open(int64_t expected_size,
                                   PP_CompletionCallback callback) {
   // Should not allow multiple opens.
   if (called_open_)
     return PP_ERROR_INPROGRESS;
   called_open_ = true;
 
   if (type_ != PP_FILESYSTEMTYPE_LOCALPERSISTENT &&
       type_ != PP_FILESYSTEMTYPE_LOCALTEMPORARY)
     return PP_ERROR_FAILED;
 
+  PluginInstance* plugin_instance = ResourceHelper::GetPluginInstance(this);
+  if (!plugin_instance)
+    return PP_ERROR_FAILED;
+
   fileapi::FileSystemType file_system_type =
       (type_ == PP_FILESYSTEMTYPE_LOCALTEMPORARY ?
        fileapi::kFileSystemTypeTemporary :
        fileapi::kFileSystemTypePersistent);
-  if (!instance()->delegate()->OpenFileSystem(
-          instance()->container()->element().document().url(),
+  if (!plugin_instance->delegate()->OpenFileSystem(
+          plugin_instance->container()->element().document().url(),
           file_system_type, expected_size,
-          new FileCallbacks(instance()->module()->AsWeakPtr(),
+          new FileCallbacks(plugin_instance->module()->AsWeakPtr(),
                             pp_resource(), callback, NULL,
                             scoped_refptr<PPB_FileSystem_Impl>(this), NULL)))
     return PP_ERROR_FAILED;
   return PP_OK_COMPLETIONPENDING;
 }
 
 PP_FileSystemType PPB_FileSystem_Impl::GetType() {
   return type_;
 }
 
 }  // namespace ppapi
 }  // namespace webkit