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

gpu/command_buffer/service/texture_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/texture_manager.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
@@ skipping 385 matching lines @@
       estimated_size(rhs.estimated_size),
       internal_workaround(rhs.internal_workaround) {}
 
 Texture::LevelInfo::~LevelInfo() {
 }
 
 Texture::FaceInfo::FaceInfo()
     : num_mip_levels(0) {
 }
 
+Texture::FaceInfo::FaceInfo(const FaceInfo& other) = default;
+
 Texture::FaceInfo::~FaceInfo() {
 }
 
 Texture::CanRenderCondition Texture::GetCanRenderCondition() const {
   if (target_ == 0)
     return CAN_RENDER_ALWAYS;
 
   if (target_ != GL_TEXTURE_EXTERNAL_OES) {
     if (face_infos_.empty() ||
         static_cast<size_t>(base_level_) >= face_infos_[0].level_infos.size()) {
@@ skipping 2347 matching lines @@
 uint32_t TextureManager::GetServiceIdGeneration() const {
   return current_service_id_generation_;
 }
 
 void TextureManager::IncrementServiceIdGeneration() {
   current_service_id_generation_++;
 }
 
 }  // namespace gles2
 }  // namespace gpu