Allow deleted resources to be used

gpu/command_buffer/service/vertex_attrib_manager.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 "gpu/command_buffer/service/vertex_attrib_manager.h"
 
 #include <list>
 
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 70 matching lines @@
     return false;
   }
   VertexAttribInfo& info = vertex_attrib_infos_[index];
   if (info.enabled() != enable) {
     info.set_enabled(enable);
     info.SetList(enable ? &enabled_vertex_attribs_ : &disabled_vertex_attribs_);
   }
   return true;
 }
 
+void VertexAttribManager::Unbind(BufferManager::BufferInfo* buffer) {
+  for (uint32 vv = 0; vv < max_vertex_attribs_; ++vv) {
+    vertex_attrib_infos_[vv].Unbind(buffer);
+  }
+}
 
 }  // namespace gles2
 }  // namespace gpu