Add a unified resource tracker shared between the proxy and the impl.

ppapi/shared_impl/resource.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/shared_impl/resource.h"
+
+#include "base/logging.h"
+#include "ppapi/shared_impl/resource_tracker.h"
+#include "ppapi/shared_impl/tracker_base.h"
+
+namespace ppapi {
+
+Resource::Resource(PP_Instance instance) {
+  // The instance should always be valid (nonzero).
+  DCHECK(instance);
+
+  // For the in-process case, the host resource and resource are the same.
+  //
+  // AddResource needs our instance() getter to work, and that goes through
+  // the host resource, so we need to fill that first even though we don't
+  // have a resource ID yet, then fill the resource in later.
+  host_resource_ = HostResource::MakeInstanceOnly(instance);
+  pp_resource_ = TrackerBase::Get()->GetResourceTracker()->AddResource(this);
+  host_resource_.SetHostResource(instance, pp_resource_);
+}
+
+Resource::Resource(const HostResource& host_resource)
+    : host_resource_(host_resource) {
+  pp_resource_ = TrackerBase::Get()->GetResourceTracker()->AddResource(this);
+}
+
+Resource::~Resource() {
+  TrackerBase::Get()->GetResourceTracker()->RemoveResource(this);
+}
+
+PP_Resource Resource::GetReference() {
+  TrackerBase::Get()->GetResourceTracker()->AddRefResource(pp_resource());
+  return pp_resource();
+}
+
+void Resource::LastPluginRefWasDeleted() {
+}
+
+void Resource::InstanceWasDeleted() {
+  host_resource_ = HostResource();
+}
+
+#define DEFINE_TYPE_GETTER(RESOURCE) \
+  thunk::RESOURCE* Resource::As##RESOURCE() { return NULL; }
+FOR_ALL_PPAPI_RESOURCE_APIS(DEFINE_TYPE_GETTER)
+#undef DEFINE_TYPE_GETTER
+
+}  // namespace ppapi
+