Progress towards fixing 77536

ui/gfx/gtk_native_view_id_manager.cc

-// Copyright (c) 2009 The Chromium Authors. All rights reserved.
+// 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 "ui/gfx/gtk_native_view_id_manager.h"
 
 #include <gtk/gtk.h>
 #include <gdk/gdkx.h>
 
 #include "base/logging.h"
 #include "base/rand_util.h"
@@ skipping 110 matching lines @@
     perm_xid_to_info_.insert(std::make_pair(*output, info));
 
   if (!ret.second) {
     DCHECK(ret.first->second.widget == widget);
     ret.first->second.ref_count++;
   }
 
   return true;
 }
 
+bool GtkNativeViewManager::AddRefPermanentXID(XID xid) {
+  base::AutoLock locked(lock_);
+
+  std::map<XID, PermanentXIDInfo>::iterator i =
+    perm_xid_to_info_.find(xid);
+
+  if (i == perm_xid_to_info_.end())
+    return false;
+
+  i->second.ref_count++;
+
+  return true;
+}
+
 void GtkNativeViewManager::ReleasePermanentXID(XID xid) {
   base::AutoLock locked(lock_);
 
   std::map<XID, PermanentXIDInfo>::iterator i =
     perm_xid_to_info_.find(xid);
 
   if (i == perm_xid_to_info_.end())
     return;
 
   if (i->second.ref_count > 1) {
@@ skipping 72 matching lines @@
 
     if (k != perm_xid_to_info_.end())
       k->second.widget = NULL;
   }
 
   native_view_to_id_.erase(i);
   id_to_info_.erase(j);
 }
 
 // -----------------------------------------------------------------------------