Move TabStripModelDelegate off Browser into its own class.

chrome/browser/ui/browser_tab_strip_model_delegate.h

+// Copyright (c) 2012 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_STRIP_MODEL_DELEGATE_H_
+#define CHROME_BROWSER_UI_BROWSER_TAB_STRIP_MODEL_DELEGATE_H_
+#pragma once
+
+#include "base/compiler_specific.h"
+#include "base/memory/weak_ptr.h"
+#include "chrome/browser/ui/tabs/tab_strip_model_delegate.h"
+
+class Browser;
+class DockInfo;
+class GURL;
+class TabContents;
+
+namespace content {
+struct Referrer;
+class SiteInstance;
+}
+
+namespace gfx {
+class Rect;
+}
+
+namespace chrome {
+
+class BrowserTabStripModelDelegate : public TabStripModelDelegate {
+ public:
+  explicit BrowserTabStripModelDelegate(Browser* browser);
+  virtual ~BrowserTabStripModelDelegate();
+
+ private:
+  // Overridden from TabStripModelDelegate:
+  virtual TabContents* AddBlankTab(bool foreground) OVERRIDE;
+  virtual TabContents* AddBlankTabAt(int index, bool foreground) OVERRIDE;
+  virtual Browser* CreateNewStripWithContents(
+      TabContents* detached_contents,
+      const gfx::Rect& window_bounds,
+      const DockInfo& dock_info,
+      bool maximize) OVERRIDE;
+  virtual int GetDragActions() const OVERRIDE;
+  virtual TabContents* CreateTabContentsForURL(
+      const GURL& url,
+      const content::Referrer& referrer,
+      Profile* profile,
+      content::PageTransition transition,
+      bool defer_load,
+      content::SiteInstance* instance) const OVERRIDE;
+  virtual bool CanDuplicateContentsAt(int index) OVERRIDE;
+  virtual void DuplicateContentsAt(int index) OVERRIDE;
+  virtual void CloseFrameAfterDragSession() OVERRIDE;
+  virtual void CreateHistoricalTab(TabContents* contents) OVERRIDE;
+  virtual bool RunUnloadListenerBeforeClosing(TabContents* contents) OVERRIDE;
+  virtual bool CanBookmarkAllTabs() const OVERRIDE;
+  virtual void BookmarkAllTabs() OVERRIDE;
+  virtual bool CanRestoreTab() OVERRIDE;
+  virtual void RestoreTab() OVERRIDE;
+
+  void CloseFrame();
+
+  Browser* browser_;
+
+  // The following factory is used to close the frame at a later time.
+  base::WeakPtrFactory<BrowserTabStripModelDelegate> weak_factory_;
+
+  DISALLOW_COPY_AND_ASSIGN(BrowserTabStripModelDelegate);
+};
+
+}  // namespace chrome
+
+#endif  // CHROME_BROWSER_UI_BROWSER_TAB_STRIP_MODEL_DELEGATE_H_