win: Move a few WeakPtrFactories to the end of their containing classes.

chrome/browser/ui/webui/help/version_updater_win.cc

 // 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.
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/strings/string16.h"
 #include "base/version.h"
 #include "base/win/win_util.h"
@@ skipping 44 matching lines @@
 
   // Got the intalled version so the handling of the UPGRADE_ALREADY_UP_TO_DATE
   // result case can now be completeb on the UI thread.
   void GotInstalledVersion(const Version& version);
 
   // Returns a window that can be used for elevation.
   gfx::AcceleratedWidget GetElevationParent();
 
   void BeginUpdateCheckOnFileThread(bool install_if_newer);
 
+  // Callback used to communicate update status to the client.
+  StatusCallback callback_;
+
   // Used for callbacks.
   base::WeakPtrFactory<VersionUpdaterWin> weak_factory_;
 
-  // Callback used to communicate update status to the client.
-  StatusCallback callback_;
-
   DISALLOW_COPY_AND_ASSIGN(VersionUpdaterWin);
 };
 
 // This class is used to read the version on the FILE thread and then call back
 // the version updater in the UI thread. Using a class helps better control
 // the lifespan of the Version independently of the lifespan of the version
 // updater, which may die while asynchonicity is happening, thus the usage of
 // the WeakPtr, which can only be used from the thread that created it.
 class VersionReader
     : public base::RefCountedThreadSafe<VersionReader> {
@@ skipping 180 matching lines @@
   BeginUpdateCheck(task_runner, install_if_newer, GetElevationParent(),
                    base::Bind(&VersionUpdaterWin::OnUpdateCheckResults,
                               weak_factory_.GetWeakPtr()));
 }
 
 }  // namespace
 
 VersionUpdater* VersionUpdater::Create(content::BrowserContext* /* context */) {
   return new VersionUpdaterWin;
 }