command_buffer_gles2: Implement EGL default Display as a global object

gpu/command_buffer/service/vertex_array_manager.h

 // 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.
 
 #ifndef GPU_COMMAND_BUFFER_SERVICE_VERTEX_ARRAY_MANAGER_H_
 #define GPU_COMMAND_BUFFER_SERVICE_VERTEX_ARRAY_MANAGER_H_
 
 #include <stdint.h>
 
 #include "base/containers/hash_tables.h"
@@ skipping 38 matching lines @@
 
  private:
   friend class VertexAttribManager;
 
   void StartTracking(VertexAttribManager* vertex_attrib_manager);
   void StopTracking(VertexAttribManager* vertex_attrib_manager);
 
   // Info for each vertex array in the system.
   typedef base::hash_map<GLuint, scoped_refptr<VertexAttribManager> >
       VertexAttribManagerMap;
-  VertexAttribManagerMap vertex_attrib_managers_;
+  VertexAttribManagerMap client_vertex_attrib_managers_;
+
+  // Vertex attrib managers for emulation purposes, not visible to clients.
+  std::vector<scoped_refptr<VertexAttribManager>> other_vertex_attrib_managers_;
 
   // Counts the number of VertexArrayInfo allocated with 'this' as its manager.
   // Allows to check no VertexArrayInfo will outlive this.
   unsigned int vertex_attrib_manager_count_;
 
   bool have_context_;
 
   DISALLOW_COPY_AND_ASSIGN(VertexArrayManager);
 };
 
 }  // namespace gles2
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_SERVICE_VERTEX_ARRAY_MANAGER_H_