[TabManager] Move TabManager into chrome/browser/resource_coordinator.

chrome/browser/memory/tab_stats.h

-// Copyright 2015 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.
-
-#ifndef CHROME_BROWSER_MEMORY_TAB_STATS_H_
-#define CHROME_BROWSER_MEMORY_TAB_STATS_H_
-
-#include <stdint.h>
-
-#include <vector>
-
-#include "base/process/process.h"
-#include "base/strings/string16.h"
-#include "base/time/time.h"
-#include "build/build_config.h"
-
-namespace content {
-class RenderProcessHost;
-}  // namespace content
-
-namespace memory {
-
-struct TabStats {
-  TabStats();
-  TabStats(const TabStats& other);
-  TabStats(TabStats&& other) noexcept;
-  ~TabStats();
-
-  TabStats& operator=(const TabStats& other);
-
-  bool is_app = false;            // Browser window is an app.
-  bool is_internal_page = false;  // Internal page, such as NTP or Settings.
-  // Playing audio, accessing cam/mic or mirroring display.
-  bool is_media = false;
-  bool is_pinned = false;
-  bool is_selected = false;  // Selected in the currently active browser window.
-  bool is_discarded = false;
-  bool has_form_entry = false;  // User has entered text in a form.
-  int discard_count = 0;
-  base::TimeTicks last_active;
-  base::TimeTicks last_hidden;
-  content::RenderProcessHost* render_process_host = nullptr;
-  base::ProcessHandle renderer_handle = 0;
-  int child_process_host_id = 0;
-  base::string16 title;
-#if defined(OS_CHROMEOS)
-  int oom_score = 0;
-#endif
-  int64_t tab_contents_id = 0;  // Unique ID per WebContents.
-  bool is_auto_discardable = true;
-};
-
-typedef std::vector<TabStats> TabStatsList;
-
-}  // namespace memory
-
-#endif  // CHROME_BROWSER_MEMORY_TAB_STATS_H_