Remove 1 exit time destructor from ppapi, and possibly fix a bug.

ppapi/native_client/src/shared/ppapi_proxy/plugin_resource_tracker.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 "native_client/src/shared/ppapi_proxy/plugin_resource_tracker.h"
 
 #include <limits>
 #include <set>
 
+#include "base/basictypes.h"
 #include "native_client/src/include/nacl_macros.h"
 #include "native_client/src/include/portability.h"
 #include "native_client/src/shared/ppapi_proxy/plugin_globals.h"
 #include "native_client/src/shared/ppapi_proxy/plugin_resource.h"
 #include "native_client/src/shared/ppapi_proxy/untrusted/srpcgen/ppb_rpc.h"
 #include "ppapi/c/pp_resource.h"
 
 namespace ppapi_proxy {
 
+// static
+PluginResourceTracker* PluginResourceTracker::Get() {
+  CR_DEFINE_STATIC_LOCAL(PluginResourceTracker, tracker, ());
+  return &tracker;
+}
+
 PluginResourceTracker::ResourceAndRefCounts::ResourceAndRefCounts(
     PluginResource* r, size_t browser_count)
     : resource(r), browser_refcount(browser_count), plugin_refcount(1) {
 }
 
 PluginResourceTracker::ResourceAndRefCounts::~ResourceAndRefCounts() {
 }
 
 scoped_refptr<PluginResource> PluginResourceTracker::GetExistingResource(
     PP_Resource res) const {
@@ skipping 63 matching lines @@
   // Release all browser references.
   if (res && (browser_refcount > 0)) {
     NaClSrpcChannel* channel = ppapi_proxy::GetMainSrpcChannel();
     PpbCoreRpcClient::ReleaseResourceMultipleTimes(channel, res,
                                                    browser_refcount);
   }
 }
 
 }  // namespace ppapi_proxy