Allow dynamic switching in and out of sidetabs mode.

chrome/browser/views/frame/browser_frame.h

 // Copyright (c) 2006-2008 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_VIEWS_FRAME_BROWSER_FRAME_H_
 #define CHROME_BROWSER_VIEWS_FRAME_BROWSER_FRAME_H_
 
 #include "build/build_config.h"
 #include "views/window/non_client_view.h"
 
@@ skipping 23 matching lines @@
   // Creates the appropriate BrowserFrame for this platform. The returned
   // object is owned by the caller.
   static BrowserFrame* Create(BrowserView* browser_view, Profile* profile);
 
   static const gfx::Font& GetTitleFont();
 
   // Returns the Window associated with this frame. Guraranteed non-NULL after
   // construction.
   virtual views::Window* GetWindow() = 0;
 
-  // Notification that the tab strip has been created. This should let the
-  // BrowserRootView know about it so it can enable drag and drop.
-  virtual void TabStripCreated(BaseTabStrip* tabstrip) = 0;
-
   // Determine the distance of the left edge of the minimize button from the
   // left edge of the window. Used in our Non-Client View's Layout.
   virtual int GetMinimizeButtonOffset() const = 0;
 
   // Retrieves the bounds, in non-client view coordinates for the specified
   // TabStrip.
   virtual gfx::Rect GetBoundsForTabStrip(BaseTabStrip* tabstrip) const = 0;
 
   // Tells the frame to update the throbber.
   virtual void UpdateThrobber(bool running) = 0;
 
   // Tells the frame to continue a drag detached tab operation.
   virtual void ContinueDraggingDetachedTab() = 0;
 
   // Returns the theme provider for this frame.
   virtual ThemeProvider* GetThemeProviderForFrame() const = 0;
 
   // Returns true if the window should use the native frame view. This is true
   // if there are no themes applied on Vista, or if there are themes applied and
   // this browser window is an app or popup.
   virtual bool AlwaysUseNativeFrame() const = 0;
 
   // Returns the NonClientFrameView of this frame.
   virtual views::View* GetFrameView() const = 0;
 
   // Paints the shadow edge along the side of the side tabstrip. The BrowserView
   // calls this method _after_ the TabStrip has painted itself so the shadow is
   // rendered above the tabs.
   virtual void PaintTabStripShadow(gfx::Canvas* canvas) = 0;
+
+  // Notifies the frame that the tab strip display mode changed so it can update
+  // its frame treatment if necessary.
+  virtual void TabStripDisplayModeChanged() = 0;
 };
 
 #endif  // CHROME_BROWSER_VIEWS_FRAME_BROWSER_FRAME_H_