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

chrome/browser/google_apis/task_util.h

Index: chrome/browser/google_apis/task_util.h
diff --git a/chrome/browser/google_apis/task_util.h b/chrome/browser/google_apis/task_util.h
index 887cdb4ad12863550159d1c0e562f24e2ba731a4..69cf846c1fe98ad6d0c8c73b9dfffb38e7948f0e 100644
--- a/chrome/browser/google_apis/task_util.h
+++ b/chrome/browser/google_apis/task_util.h
@@ -66,6 +66,17 @@ struct ComposedCallback<void(T1, T2, T3)> {
   }
 };
 
+// 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>)> {