chromeos: Move files in //ash/common to //ash, part 1

ash/system/toast/toast_data.cc

 // Copyright 2016 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 "ash/common/system/toast/toast_data.h"
+#include "ash/system/toast/toast_data.h"
 
 #include <utility>
 
 namespace ash {
 
 ToastData::ToastData(std::string id,
                      const base::string16& text,
                      int32_t duration_ms,
                      const base::Optional<base::string16>& dismiss_text)
     : id(std::move(id)),
       text(text),
       duration_ms(duration_ms),
       dismiss_text(dismiss_text) {}
 
 ToastData::ToastData(const ToastData& other) = default;
 
 ToastData::~ToastData() = default;
 
 }  // namespace ash