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

ash/system/toast/toast_manager.cc

Index: ash/system/toast/toast_manager.cc
diff --git a/ash/system/toast/toast_manager.cc b/ash/system/toast/toast_manager.cc
deleted file mode 100644
index 88ac380537fe31fa44aac94d477b61d997711200..0000000000000000000000000000000000000000
--- a/ash/system/toast/toast_manager.cc
+++ /dev/null
@@ -1,97 +0,0 @@
-// 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/system/toast/toast_manager.h"
-
-#include <algorithm>
-
-#include "base/bind.h"
-#include "base/location.h"
-#include "base/threading/thread_task_runner_handle.h"
-
-namespace ash {
-
-namespace {
-
-// Minimum duration for a toast to be visible (in millisecond).
-const int32_t kMinimumDurationMs = 200;
-
-}  // anonymous namespace
-
-ToastManager::ToastManager() : weak_ptr_factory_(this) {}
-
-ToastManager::~ToastManager() {}
-
-void ToastManager::Show(const ToastData& data) {
-  const std::string& id = data.id;
-  DCHECK(!id.empty());
-
-  if (current_toast_id_ == id) {
-    // TODO(yoshiki): Replaces the visible toast.
-    return;
-  }
-
-  auto existing_toast =
-      std::find_if(queue_.begin(), queue_.end(),
-                   [&id](const ToastData& data) { return data.id == id; });
-
-  if (existing_toast == queue_.end()) {
-    queue_.emplace_back(data);
-  } else {
-    *existing_toast = data;
-  }
-
-  if (queue_.size() == 1 && overlay_ == nullptr)
-    ShowLatest();
-}
-
-void ToastManager::Cancel(const std::string& id) {
-  if (id == current_toast_id_) {
-    overlay_->Show(false);
-    return;
-  }
-
-  auto cancelled_toast =
-      std::find_if(queue_.begin(), queue_.end(),
-                   [&id](const ToastData& data) { return data.id == id; });
-  if (cancelled_toast != queue_.end())
-    queue_.erase(cancelled_toast);
-}
-
-void ToastManager::OnClosed() {
-  overlay_.reset();
-  current_toast_id_.clear();
-
-  // Show the next toast if available.
-  if (!queue_.empty())
-    ShowLatest();
-}
-
-void ToastManager::ShowLatest() {
-  DCHECK(!overlay_);
-
-  const ToastData data = std::move(queue_.front());
-  queue_.pop_front();
-
-  current_toast_id_ = data.id;
-  serial_++;
-
-  overlay_.reset(new ToastOverlay(this, data.text, data.dismiss_text));
-  overlay_->Show(true);
-
-  if (data.duration_ms != ToastData::kInfiniteDuration) {
-    int32_t duration_ms = std::max(data.duration_ms, kMinimumDurationMs);
-    base::ThreadTaskRunnerHandle::Get()->PostDelayedTask(
-        FROM_HERE, base::Bind(&ToastManager::OnDurationPassed,
-                              weak_ptr_factory_.GetWeakPtr(), serial_),
-        base::TimeDelta::FromMilliseconds(duration_ms));
-  }
-}
-
-void ToastManager::OnDurationPassed(int toast_number) {
-  if (overlay_ && serial_ == toast_number)
-    overlay_->Show(false);
-}
-
-}  // namespace ash