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

chrome/browser/ui/views/tabs/tab_renderer_data.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 "chrome/browser/ui/views/tabs/tab_renderer_data.h"
 
 #include "base/process/kill.h"
 #include "build/build_config.h"
 
 TabRendererData::TabRendererData()
     : network_state(NETWORK_STATE_NONE),
       loading(false),
       crashed_status(base::TERMINATION_STATUS_STILL_RUNNING),
       incognito(false),
       show_icon(true),
       pinned(false),
       blocked(false),
       app(false),
       media_state(TAB_MEDIA_STATE_NONE) {
 }
 
+TabRendererData::TabRendererData(const TabRendererData& other) = default;
+
 TabRendererData::~TabRendererData() {}
 
 bool TabRendererData::IsCrashed() const {
   return (crashed_status == base::TERMINATION_STATUS_PROCESS_WAS_KILLED ||
 #if defined(OS_CHROMEOS)
           crashed_status ==
               base::TERMINATION_STATUS_PROCESS_WAS_KILLED_BY_OOM ||
 #endif
           crashed_status == base::TERMINATION_STATUS_PROCESS_CRASHED ||
           crashed_status == base::TERMINATION_STATUS_ABNORMAL_TERMINATION ||
           crashed_status == base::TERMINATION_STATUS_LAUNCH_FAILED);
 }
 
 bool TabRendererData::Equals(const TabRendererData& data) {
   return
       favicon.BackedBySameObjectAs(data.favicon) &&
       network_state == data.network_state &&
       title == data.title &&
       url == data.url &&
       loading == data.loading &&
       crashed_status == data.crashed_status &&
       incognito == data.incognito &&
       show_icon == data.show_icon &&
       pinned == data.pinned &&
       blocked == data.blocked &&
       app == data.app &&
       media_state == data.media_state;
 }