Revert 115997 - Replace MessageLoop::DeleteSoon implementation with one that uses base::Bind.

base/message_loop.h

Index: base/message_loop.h
===================================================================
--- base/message_loop.h	(revision 115998)
+++ base/message_loop.h	(working copy)
@@ -14,7 +14,6 @@
 #include "base/callback_forward.h"
 #include "base/location.h"
 #include "base/memory/ref_counted.h"
-#include "base/message_loop_helpers.h"
 #include "base/message_loop_proxy.h"
 #include "base/message_pump.h"
 #include "base/observer_list.h"
@@ -209,8 +208,7 @@
   // from RefCountedThreadSafe<T>!
   template <class T>
   void DeleteSoon(const tracked_objects::Location& from_here, const T* object) {
-    base::subtle::DeleteHelperInternal<T, void>::DeleteOnMessageLoop(
-        this, from_here, object);
+    PostNonNestableTask(from_here, new DeleteTask<T>(object));
   }
 
   // A variant on PostTask that releases the given reference counted object
@@ -534,12 +532,6 @@
   scoped_refptr<base::MessageLoopProxy> message_loop_proxy_;
 
  private:
-  template <class T, class R> friend class base::subtle::DeleteHelperInternal;
-
-  void DeleteSoonInternal(const tracked_objects::Location& from_here,
-                          void(*deleter)(const void*),
-                          const void* object);
-
   DISALLOW_COPY_AND_ASSIGN(MessageLoop);
 };