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

components/nacl/browser/pnacl_host.cc

 // Copyright 2013 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 "components/nacl/browser/pnacl_host.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 81 matching lines @@
       render_view_id(0),
       nexe_fd(NULL),
       got_nexe_fd(false),
       got_cache_reply(false),
       got_cache_hit(false),
       is_incognito(false),
       callback(NexeFdCallback()),
       cache_info(nacl::PnaclCacheInfo()) {
 }
 
+PnaclHost::PendingTranslation::PendingTranslation(
+    const PendingTranslation& other) = default;
+
 PnaclHost::PendingTranslation::~PendingTranslation() {
   if (nexe_fd)
     delete nexe_fd;
 }
 
 bool PnaclHost::TranslationMayBeCached(
     const PendingTranslationMap::iterator& entry) {
   return !entry->second.is_incognito &&
          !entry->second.cache_info.has_no_store_header;
 }
@@ skipping 574 matching lines @@
   DCHECK(pending_backend_operations_ >= 0);
   if (pending_translations_.empty() &&
       pending_backend_operations_ <= 0 &&
       cache_state_ == CacheReady) {
     cache_state_ = CacheUninitialized;
     disk_cache_.reset();
   }
 }
 
 }  // namespace pnacl