Move assorted function in application_lifetime to where they are used.

chrome/browser/ui/browser.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_H_
 #define CHROME_BROWSER_UI_BROWSER_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 808 matching lines @@
   // the browser.
   bool SupportsWindowFeatureImpl(WindowFeature feature,
                                  bool check_fullscreen) const;
 
   // Resets |bookmark_bar_state_| based on the active tab. Notifies the
   // BrowserWindow if necessary.
   void UpdateBookmarkBarState(BookmarkBarStateChangeReason reason);
 
   bool ShouldHideUIForFullscreen() const;
 
+  // Returns true if we can start the shutdown sequence for the browser, i.e.
+  // the last browser window is being closed.
+  bool ShouldStartShutdown() const;
+
   // Creates a BackgroundContents if appropriate; return true if one was
   // created.
   bool MaybeCreateBackgroundContents(
       int route_id,
       int main_frame_route_id,
       content::WebContents* opener_web_contents,
       const std::string& frame_name,
       const GURL& target_url,
       const std::string& partition_id,
       content::SessionStorageNamespace* session_storage_namespace);
@@ skipping 142 matching lines @@
   // The following factory is used for chrome update coalescing.
   base::WeakPtrFactory<Browser> chrome_updater_factory_;
 
   // The following factory is used to close the frame at a later time.
   base::WeakPtrFactory<Browser> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(Browser);
 };
 
 #endif  // CHROME_BROWSER_UI_BROWSER_H_