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

gpu/command_buffer/service/gles2_cmd_decoder_unittest_base.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_GLES2_CMD_DECODER_UNITTEST_BASE_H_
 #define GPU_COMMAND_BUFFER_SERVICE_GLES2_CMD_DECODER_UNITTEST_BASE_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 178 matching lines @@
                            const char** str,
                            GLsizei count_in_header,
                            char str_end);
 
   void set_memory_tracker(MemoryTracker* memory_tracker) {
     memory_tracker_ = memory_tracker;
   }
 
   struct InitState {
     InitState();
+    InitState(const InitState& other);
 
     std::string extensions;
     std::string gl_version;
     bool has_alpha;
     bool has_depth;
     bool has_stencil;
     bool request_alpha;
     bool request_depth;
     bool request_stencil;
     bool bind_generates_resource;
@@ skipping 561 matching lines @@
 };
 
 // SpecializedSetup specializations that are needed in multiple unittest files.
 template <>
 void GLES2DecoderTestBase::SpecializedSetup<cmds::LinkProgram, 0>(bool valid);
 
 }  // namespace gles2
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_SERVICE_GLES2_CMD_DECODER_UNITTEST_BASE_H_