Remove OriginChip code.

chrome/browser/ui/toolbar/toolbar_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_TOOLBAR_TOOLBAR_MODEL_DELEGATE_H_
 #define CHROME_BROWSER_UI_TOOLBAR_TOOLBAR_MODEL_DELEGATE_H_
 
 namespace content {
 class WebContents;
 }
 
 // Delegate which is used by ToolbarModel class.
 class ToolbarModelDelegate {
  public:
   // Returns active WebContents.
   virtual content::WebContents* GetActiveWebContents() const = 0;
 
-  // Returns whether the toolbar is hosted in a tabbed browser.
-  virtual bool InTabbedBrowser() const = 0;
-
  protected:
   virtual ~ToolbarModelDelegate() {}
 };
 
 #endif  // CHROME_BROWSER_UI_TOOLBAR_TOOLBAR_MODEL_DELEGATE_H_