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

gpu/command_buffer/service/gles2_cmd_decoder_unittest_base.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/gles2_cmd_decoder_unittest_base.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
@@ skipping 148 matching lines @@
       has_depth(false),
       has_stencil(false),
       request_alpha(false),
       request_depth(false),
       request_stencil(false),
       bind_generates_resource(false),
       lose_context_when_out_of_memory(false),
       use_native_vao(true),
       context_type(CONTEXT_TYPE_OPENGLES2) {}
 
+GLES2DecoderTestBase::InitState::InitState(const InitState& other) = default;
+
 void GLES2DecoderTestBase::InitDecoder(const InitState& init) {
   InitDecoderWithCommandLine(init, NULL);
 }
 
 void GLES2DecoderTestBase::InitDecoderWithCommandLine(
     const InitState& init,
     const base::CommandLine* command_line) {
   InitState normalized_init = init;
   NormalizeInitState(&normalized_init);
   // For easier substring/extension matching
@@ skipping 1854 matching lines @@
   SetupDefaultProgram();
 }
 
 // Include the auto-generated part of this file. We split this because it means
 // we can easily edit the non-auto generated parts right here in this file
 // instead of having to edit some template or the code generator.
 #include "gpu/command_buffer/service/gles2_cmd_decoder_unittest_0_autogen.h"
 
 }  // namespace gles2
 }  // namespace gpu