Make it so that history and downloads are opened once per window unless the u...

chrome/browser/browser.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_BROWSER_H_
 #define CHROME_BROWSER_BROWSER_H_
 
 #include "base/basictypes.h"
 
 #include <set>
@@ skipping 195 matching lines @@
       int tab_index,
       int selected_navigation,
       bool select);
 
   // Replaces the state of the currently selected tab with the session
   // history restored from the SessionRestore system.
   void ReplaceRestoredTab(
       const std::vector<TabNavigation>& navigations,
       int selected_navigation);
 
-  // Show a native UI tab given a URL. If a tab with the same URL is already
+  // Show a DOMUI tab given a URL. If a tab with the same URL is already
   // visible in this browser, it becomes selected. Otherwise a new tab is
   // created.
-  void ShowNativeUITab(const GURL& url);
+  void ShowSingleDOMUITab(const GURL& url);
 
   // Assorted browser commands ////////////////////////////////////////////////
 
   // NOTE: Within each of the following sections, the IDs are ordered roughly by
   // how they appear in the GUI/menus (left to right, top to bottom, etc.).
 
   // Navigation commands
   void GoBack();
   void GoForward();
   void Reload();
@@ skipping 406 matching lines @@
   // The browser idle task helps cleanup unused memory resources when idle.
   scoped_ptr<BrowserIdleTimer> idle_task_;
 
   // Keep track of the encoding auto detect pref.
   BooleanPrefMember encoding_auto_detect_;
 
   DISALLOW_COPY_AND_ASSIGN(Browser);
 };
 
 #endif  // CHROME_BROWSER_BROWSER_H_