Revert 227566 "Fix some WeakPtrFactory members that aren't last"

base/run_loop.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 BASE_RUN_LOOP_H_
 #define BASE_RUN_LOOP_H_
 
 #include "base/base_export.h"
 #include "base/callback.h"
 #include "base/memory/weak_ptr.h"
@@ skipping 76 matching lines @@
   // BeforeRun directly.
   friend class base::MessagePumpUIApplication;
 #endif
 
   // Return false to abort the Run.
   bool BeforeRun();
   void AfterRun();
 
   MessageLoop* loop_;
 
+  // WeakPtrFactory for QuitClosure safety.
+  base::WeakPtrFactory<RunLoop> weak_factory_;
+
   // Parent RunLoop or NULL if this is the top-most RunLoop.
   RunLoop* previous_run_loop_;
 
 #if !defined(OS_MACOSX) && !defined(OS_ANDROID) && \
     !defined(USE_GTK_MESSAGE_PUMP)
   MessageLoop::Dispatcher* dispatcher_;
 #endif
 
   // Used to count how many nested Run() invocations are on the stack.
   int run_depth_;
 
   bool run_called_;
   bool quit_called_;
   bool running_;
 
   // Used to record that QuitWhenIdle() was called on the MessageLoop, meaning
   // that we should quit Run once it becomes idle.
   bool quit_when_idle_received_;
 
-  // WeakPtrFactory for QuitClosure safety.
-  base::WeakPtrFactory<RunLoop> weak_factory_;
-
   DISALLOW_COPY_AND_ASSIGN(RunLoop);
 };
 
 }  // namespace base
 
 #endif  // BASE_RUN_LOOP_H_