Decouple TabRestoreService from Browser

chrome/browser/ui/browser_tab_restore_service_delegate.h

+// Copyright (c) 2011 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_UI_BROWSER_TAB_RESTORE_SERVICE_DELEGATE_H_
+#define CHROME_BROWSER_UI_BROWSER_TAB_RESTORE_SERVICE_DELEGATE_H_
+
+#include <string>
+#include <vector>
+
+#include "base/compiler_specific.h"
+#include "chrome/browser/sessions/tab_restore_service_delegate.h"
+
+class Browser;
+class Profile;
+class SessionStorageNamespace;
+class TabContents;
+class TabNavigation;
+
+// Implementation of TabRestoreServiceDelegate which uses an instance of
+// Browser in order to fulfil its duties.
+class BrowserTabRestoreServiceDelegate : public TabRestoreServiceDelegate {
+ public:
+  explicit BrowserTabRestoreServiceDelegate(Browser* browser)
+      : browser_(browser) {}
+  virtual ~BrowserTabRestoreServiceDelegate() {}
+
+  // Overridden from TabRestoreServiceDelegate:
+  virtual void ShowBrowserWindow() OVERRIDE;
+  virtual const SessionID& GetSessionID() const OVERRIDE;
+  virtual int GetTabCount() const OVERRIDE;
+  virtual int GetSelectedIndex() const OVERRIDE;
+  virtual TabContents* GetTabContentsAt(int index) const OVERRIDE;
+  virtual TabContents* GetSelectedTabContents() const OVERRIDE;
+  virtual bool IsTabPinned(int index) const OVERRIDE;
+  virtual TabContents* AddRestoredTab(
+      const std::vector<TabNavigation>& navigations,
+      int tab_index,
+      int selected_navigation,
+      const std::string& extension_app_id,
+      bool select,
+      bool pin,
+      bool from_last_session,
+      SessionStorageNamespace* storage_namespace) OVERRIDE;
+  virtual void ReplaceRestoredTab(
+      const std::vector<TabNavigation>& navigations,
+      int selected_navigation,
+      bool from_last_session,
+      const std::string& extension_app_id,
+      SessionStorageNamespace* session_storage_namespace) OVERRIDE;
+  virtual void CloseTab() OVERRIDE;
+
+ private:
+  Browser* browser_;
+
+  DISALLOW_COPY_AND_ASSIGN(BrowserTabRestoreServiceDelegate);
+};
+
+#endif  // CHROME_BROWSER_UI_BROWSER_TAB_RESTORE_SERVICE_DELEGATE_H_