PPAPI: Make PPB_MessageLoop_Dev::GetForMainThread work

ppapi/shared_impl/resource.cc

 // Copyright (c) 2012 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/ppapi_globals.h"
 
 namespace ppapi {
 
 Resource::Resource(ResourceObjectType type, PP_Instance instance)
     : host_resource_(HostResource::MakeInstanceOnly(instance)) {
-  // The instance should always be valid (nonzero).
+  // The instance should be valid (nonzero).
   DCHECK(instance);
 
   pp_resource_ = PpapiGlobals::Get()->GetResourceTracker()->AddResource(this);
   if (type == OBJECT_IS_IMPL) {
     // For the in-process case, the host resource and resource are the same.
     //
     // Note that we need to have set the instance above (in the initializer
     // list) since AddResource needs our instance() getter to work, and that
     // goes through the host resource. When we get the "real" resource ID,
     // we re-set the host_resource.
     host_resource_.SetHostResource(instance, pp_resource_);
   }
 }
 
 Resource::Resource(ResourceObjectType type, const HostResource& host_resource)
     : host_resource_(host_resource) {
   pp_resource_ = PpapiGlobals::Get()->GetResourceTracker()->AddResource(this);
   if (type == OBJECT_IS_IMPL) {
     // When using this constructor for the implementation, the resource ID
     // should not have been passed in.
     DCHECK(host_resource_.host_resource() == 0);
 
     // See previous constructor.
     host_resource_.SetHostResource(host_resource.instance(), pp_resource_);
   }
 }
 
+Resource::Resource(Untracked) {
+  pp_resource_ = PpapiGlobals::Get()->GetResourceTracker()->AddResource(this);
+}
+
 Resource::~Resource() {
   PpapiGlobals::Get()->GetResourceTracker()->RemoveResource(this);
 }
 
 PP_Resource Resource::GetReference() {
   PpapiGlobals::Get()->GetResourceTracker()->AddRefResource(pp_resource());
   return pp_resource();
 }
 
 void Resource::LastPluginRefWasDeleted() {
@@ skipping 13 matching lines @@
                                      message);
 }
 
 #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