startup: Put it in chrome namespace.

chrome/browser/ui/browser_list.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_BROWSER_LIST_H_
 #define CHROME_BROWSER_UI_BROWSER_LIST_H_
 #pragma once
 
 #include <vector>
 
 #include "base/gtest_prod_util.h"
 #include "ui/gfx/native_widget_types.h"
 
 class Browser;
 class Profile;
 
-namespace content {
-class WebContents;
-}
-
 namespace browser {
 class BrowserActivityObserver;
 #if defined(OS_MACOSX)
 Browser* GetLastActiveBrowser();
 #endif
 #if defined(TOOLKIT_GTK)
 class ExtensionInstallDialog;
 #endif
+}
+
+namespace chrome {
 namespace internal {
 void NotifyNotDefaultBrowserCallback();
 }
 }
 
 #if defined(OS_CHROMEOS)
 namespace chromeos {
 class ScreenLocker;
 }
 #endif
 
+namespace content {
+class WebContents;
+}
+
 #if defined(USE_ASH)
 content::WebContents* GetActiveWebContents();
 #endif
 
 // Stores a list of all Browser objects.
 class BrowserList {
  public:
   typedef std::vector<Browser*> BrowserVector;
   typedef BrowserVector::iterator iterator;
   typedef BrowserVector::const_iterator const_iterator;
@@ skipping 68 matching lines @@
   friend class browser::BrowserActivityObserver;
 #if defined(OS_CHROMEOS)
   friend class chromeos::ScreenLocker;
 #endif
 #if defined(OS_MACOSX)
   friend Browser* browser::GetLastActiveBrowser();
 #endif
 #if defined(USE_ASH)
   friend content::WebContents* GetActiveWebContents();
 #endif
-  friend void browser::internal::NotifyNotDefaultBrowserCallback();
+  friend void chrome::internal::NotifyNotDefaultBrowserCallback();
   // DO NOT ADD MORE FRIENDS TO THIS LIST.
 
   // Returns the Browser object whose window was most recently active.  If the
   // most recently open Browser's window was closed, returns the first Browser
   // in the list.  If no Browsers exist, returns NULL.
   //
   // WARNING: this is NULL until a browser becomes active. If during startup
   // a browser does not become active (perhaps the user launches Chrome, then
   // clicks on another app before the first browser window appears) then this
   // returns NULL.
   // WARNING #2: this will always be NULL in unit tests run on the bots.
   // THIS FUNCTION IS PRIVATE AND NOT TO BE USED AS A REPLACEMENT FOR RELEVANT
   // CONTEXT.
   static Browser* GetLastActive();
 
   // Helper method to remove a browser instance from a list of browsers
   static void RemoveBrowserFrom(Browser* browser, BrowserVector* browser_list);
 };
 
 #endif  // CHROME_BROWSER_UI_BROWSER_LIST_H_