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

base/message_loop_proxy.h

Index: base/message_loop_proxy.h
diff --git a/base/message_loop_proxy.h b/base/message_loop_proxy.h
index aac11b9eaf0de17d9c58ac96785d83ee655cdb92..738f39fac112c9ddbaca05003facea6a76ff6827 100644
--- a/base/message_loop_proxy.h
+++ b/base/message_loop_proxy.h
@@ -10,6 +10,7 @@
 #include "base/basictypes.h"
 #include "base/callback_forward.h"
 #include "base/memory/ref_counted.h"
+#include "base/message_loop_helpers.h"
 #include "base/task.h"
 
 namespace tracked_objects {
@@ -121,8 +122,9 @@ class BASE_EXPORT MessageLoopProxy
 
   template <class T>
   bool DeleteSoon(const tracked_objects::Location& from_here,
-                  T* object) {
-    return PostNonNestableTask(from_here, new DeleteTask<T>(object));
+                  const T* object) {
+    return base::subtle::DeleteHelperInternal<T, bool>::DeleteOnMessageLoop(
+        this, from_here, object);
   }
   template <class T>
   bool ReleaseSoon(const tracked_objects::Location& from_here,
@@ -135,6 +137,7 @@ class BASE_EXPORT MessageLoopProxy
   static scoped_refptr<MessageLoopProxy> current();
 
  protected:
+  template <class T, class R> friend class subtle::DeleteHelperInternal;
   friend class RefCountedThreadSafe<MessageLoopProxy, MessageLoopProxyTraits>;
   friend struct MessageLoopProxyTraits;
 
@@ -144,6 +147,10 @@ class BASE_EXPORT MessageLoopProxy
   // Called when the proxy is about to be deleted. Subclasses can override this
   // to provide deletion on specific threads.
   virtual void OnDestruct() const;
+
+  bool DeleteSoonInternal(const tracked_objects::Location& from_here,
+                          void(*deleter)(const void*),
+                          const void* object);
 };
 
 struct MessageLoopProxyTraits {