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

chrome/browser/media/webrtc_log_uploader.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 "chrome/browser/media/webrtc_log_uploader.h"
 
 #include <stddef.h>
 #include <utility>
 
 #include "base/files/file_enumerator.h"
@@ skipping 57 matching lines @@
                     const std::string& dump_data) {
   AddMultipartFileContentHeader(post_data, name);
   post_data->append(dump_data.data(), dump_data.size());
   post_data->append("\r\n");
 }
 
 }  // namespace
 
 WebRtcLogUploadDoneData::WebRtcLogUploadDoneData() {}
 
+WebRtcLogUploadDoneData::WebRtcLogUploadDoneData(
+    const WebRtcLogUploadDoneData& other) = default;
+
 WebRtcLogUploadDoneData::~WebRtcLogUploadDoneData() {}
 
 WebRtcLogUploader::WebRtcLogUploader()
     : log_count_(0),
       post_data_(NULL),
       shutting_down_(false) {
   file_thread_checker_.DetachFromThread();
 }
 
 WebRtcLogUploader::~WebRtcLogUploader() {
@@ skipping 501 matching lines @@
     std::string error_message;
     if (!success) {
       error_message = "Uploading failed, response code: " +
                       base::IntToString(response_code);
     }
     BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
                             base::Bind(upload_done_data.callback, success,
                                        report_id, error_message));
   }
 }