Mac content shell: File > New makes a new browser window.

content/shell/shell_browser_main_parts.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 CONTENT_SHELL_SHELL_BROWSER_MAIN_PARTS_H_
 #define CONTENT_SHELL_SHELL_BROWSER_MAIN_PARTS_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 26 matching lines @@
   virtual void ToolkitInitialized() OVERRIDE {}
   virtual int PreCreateThreads() OVERRIDE;
   virtual void PreMainMessageLoopRun() OVERRIDE;
   virtual bool MainMessageLoopRun(int* result_code) OVERRIDE;
   virtual void PostMainMessageLoopRun() OVERRIDE;
   virtual void PostDestroyThreads() OVERRIDE {}
 
   ui::Clipboard* GetClipboard();
   ShellDevToolsDelegate* devtools_delegate() { return devtools_delegate_; }
 
-  ShellBrowserContext* browser_context() { return browser_context_.get(); }
-
  private:
-  scoped_ptr<ShellBrowserContext> browser_context_;
-
   scoped_ptr<ui::Clipboard> clipboard_;
   ShellDevToolsDelegate* devtools_delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(ShellBrowserMainParts);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_SHELL_SHELL_BROWSER_MAIN_PARTS_H_