Add a new globals object for PPAPI tracking information.

ppapi/proxy/plugin_globals.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/proxy/plugin_globals.h"
+
+namespace ppapi {
+namespace proxy {
+
+PluginGlobals* PluginGlobals::plugin_globals_ = NULL;
+
+PluginGlobals::PluginGlobals() : ppapi::PpapiGlobals() {
+  DCHECK(!plugin_globals_);
+  plugin_globals_ = this;
+}
+
+PluginGlobals::~PluginGlobals() {
+  DCHECK(plugin_globals_ == this);
+  plugin_globals_ = NULL;
+}
+
+ResourceTracker* PluginGlobals::GetResourceTracker() {
+  return &plugin_resource_tracker_;
+}
+
+VarTracker* PluginGlobals::GetVarTracker() {
+  return &plugin_var_tracker_;
+}
+
+}  // namespace proxy
+}  // namespace ppapi