Implement ComposedCallback with three arguments and the second one is scoped_ptr.

chrome/browser/google_apis/task_util.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_GOOGLE_APIS_TASK_UTIL_H_
 #define CHROME_BROWSER_GOOGLE_APIS_TASK_UTIL_H_
 
 #include "base/bind.h"
 #include "base/message_loop_proxy.h"
 
@@ skipping 48 matching lines @@
 template<typename T1, typename T2, typename T3>
 struct ComposedCallback<void(T1, T2, T3)> {
   static void Run(
       const base::Callback<void(const base::Closure&)>& runner,
       const base::Callback<void(T1, T2, T3)>& callback,
       T1 arg1, T2 arg2, T3 arg3) {
     runner.Run(base::Bind(callback, arg1, arg2, arg3));
   }
 };
 
+// ComposedCallback with three arguments, and the second one is scoped_ptr.
+template<typename T1, typename T2, typename D2, typename T3>
+struct ComposedCallback<void(T1, scoped_ptr<T2, D2>, T3)> {
+  static void Run(
+      const base::Callback<void(const base::Closure&)>& runner,
+      const base::Callback<void(T1, scoped_ptr<T2, D2>, T3)>& callback,
+      T1 arg1, scoped_ptr<T2, D2> arg2, T3 arg3) {
+    runner.Run(base::Bind(callback, arg1, base::Passed(&arg2), arg3));
+  }
+};
+
 // ComposedCallback with three arguments, and the last one is scoped_ptr.
 template<typename T1, typename T2, typename T3, typename D3>
 struct ComposedCallback<void(T1, T2, scoped_ptr<T3, D3>)> {
   static void Run(
       const base::Callback<void(const base::Closure&)>& runner,
       const base::Callback<void(T1, T2, scoped_ptr<T3, D3>)>& callback,
       T1 arg1, T2 arg2, scoped_ptr<T3, D3> arg3) {
     runner.Run(base::Bind(callback, arg1, arg2, base::Passed(&arg3)));
   }
 };
@@ skipping 30 matching lines @@
 template<typename CallbackType>
 CallbackType CreateRelayCallback(const CallbackType& callback) {
   return CreateComposedCallback(
       base::Bind(&RunTaskOnThread, base::MessageLoopProxy::current()),
       callback);
 }
 
 }  // namespace google_apis
 
 #endif  // CHROME_BROWSER_GOOGLE_APIS_TASK_UTIL_H_