Replace scoped_ptr with unique_ptr in webrtc/base/

webrtc/base/taskparent.h

Index: webrtc/base/taskparent.h
diff --git a/webrtc/base/taskparent.h b/webrtc/base/taskparent.h
index 41008fa98ee57a4ddfac20d87fc782e5496ac3e9..3c0b81cf6a98ff0266e305a1edab57c297451d19 100644
--- a/webrtc/base/taskparent.h
+++ b/webrtc/base/taskparent.h
@@ -11,10 +11,11 @@
 #ifndef WEBRTC_BASE_TASKPARENT_H__
 #define WEBRTC_BASE_TASKPARENT_H__
 
+#include <memory>
 #include <set>
 
 #include "webrtc/base/basictypes.h"
-#include "webrtc/base/scoped_ptr.h"
+#include "webrtc/base/constructormagic.h"
 
 namespace rtc {
 
@@ -52,7 +53,7 @@ class TaskParent {
   TaskRunner *runner_;
   bool child_error_;
   typedef std::set<Task *> ChildSet;
-  scoped_ptr<ChildSet> children_;
+  std::unique_ptr<ChildSet> children_;
   RTC_DISALLOW_COPY_AND_ASSIGN(TaskParent);
 };