gpu: Add out-of-line copy ctors for complex classes.

gpu/command_buffer/service/vertex_attrib_manager.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 "gpu/command_buffer/service/vertex_attrib_manager.h"
 
 #include <stdint.h>
 
 #include <list>
 
@@ skipping 23 matching lines @@
       offset_(0),
       normalized_(GL_FALSE),
       gl_stride_(0),
       real_stride_(16),
       divisor_(0),
       integer_(GL_FALSE),
       is_client_side_array_(false),
       list_(NULL) {
 }
 
+VertexAttrib::VertexAttrib(const VertexAttrib& other) = default;
+
 VertexAttrib::~VertexAttrib() {
 }
 
 void VertexAttrib::SetInfo(
     Buffer* buffer,
     GLint size,
     GLenum type,
     GLboolean normalized,
     GLsizei gl_stride,
     GLsizei real_stride,
@@ skipping 220 matching lines @@
   if (current_buffer_id != kInitialBufferId) {
     // Restore the buffer binding.
     decoder->RestoreBufferBindings();
   }
 
   return true;
 }
 
 }  // namespace gles2
 }  // namespace gpu