Allow dynamic switching in and out of sidetabs mode.

chrome/browser/views/tabs/browser_tab_strip_controller.h

Index: chrome/browser/views/tabs/browser_tab_strip_controller.h
===================================================================
--- chrome/browser/views/tabs/browser_tab_strip_controller.h	(revision 41630)
+++ chrome/browser/views/tabs/browser_tab_strip_controller.h	(working copy)
@@ -5,6 +5,8 @@
 #ifndef CHROME_BROWSER_VIEWS_TABS_BROWSER_TAB_STRIP_CONTROLLER_H_
 #define CHROME_BROWSER_VIEWS_TABS_BROWSER_TAB_STRIP_CONTROLLER_H_
 
+#include "base/scoped_ptr.h"
+
 #include "chrome/browser/tabs/tab_strip_model.h"
 #include "chrome/browser/views/tabs/side_tab_strip_model.h"
 
@@ -18,6 +20,15 @@
   BrowserTabStripController(TabStripModel* model, SideTabStrip* tabstrip);
   virtual ~BrowserTabStripController();
 
+  void InitFromModel();
+
+  bool IsCommandEnabledForTab(TabStripModel::ContextMenuCommand command_id,
+                              int tab_index) const;
+  bool IsCommandCheckedForTab(TabStripModel::ContextMenuCommand command_id,
+                              int tab_index) const;
+  void ExecuteCommandForTab(TabStripModel::ContextMenuCommand command_id,
+                            int tab_index);
+
   // SideTabStripModel implementation:
   virtual SkBitmap GetIcon(int index) const;
   virtual string16 GetTitle(int index) const;
@@ -25,6 +36,7 @@
   virtual NetworkState GetNetworkState(int index) const;
   virtual void SelectTab(int index);
   virtual void CloseTab(int index);
+  virtual void ShowContextMenu(int index, const gfx::Point& p);
 
   // TabStripModelObserver implementation:
   virtual void TabInsertedAt(TabContents* contents, int index,
@@ -46,6 +58,10 @@
   TabStripModel* model_;
   SideTabStrip* tabstrip_;
 
+  // If non-NULL it means we're showing a menu for the tab.
+  class TabContextMenuContents;

[sky, 2010/03/19 16:14:02]

move class definition before all fields.

+  scoped_ptr<TabContextMenuContents> context_menu_contents_;
+
   DISALLOW_COPY_AND_ASSIGN(BrowserTabStripController);
 };