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

chrome/browser/speech/tts_controller_impl.cc

 // Copyright 2014 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/speech/tts_controller_impl.h"
 
 #include <stddef.h>
 
 #include <string>
 #include <vector>
@@ skipping 39 matching lines @@
 //
 // VoiceData
 //
 
 
 VoiceData::VoiceData()
     : gender(TTS_GENDER_NONE),
       remote(false),
       native(false) {}
 
+VoiceData::VoiceData(const VoiceData& other) = default;
+
 VoiceData::~VoiceData() {}
 
 
 //
 // Utterance
 //
 
 // static
 int Utterance::next_utterance_id_ = 0;
 
@@ skipping 414 matching lines @@
 }
 
 void TtsControllerImpl::SetTtsEngineDelegate(
     TtsEngineDelegate* delegate) {
   tts_engine_delegate_ = delegate;
 }
 
 TtsEngineDelegate* TtsControllerImpl::GetTtsEngineDelegate() {
   return tts_engine_delegate_;
 }