Replace scoped_ptr with unique_ptr in webrtc/p2p/

webrtc/p2p/quic/quicconnectionhelper_unittest.cc

Index: webrtc/p2p/quic/quicconnectionhelper_unittest.cc
diff --git a/webrtc/p2p/quic/quicconnectionhelper_unittest.cc b/webrtc/p2p/quic/quicconnectionhelper_unittest.cc
index 1a7313c245705651bf3dbcf1244089f236811db8..b56ae8c4b73e9259e97a00b7a96bb47c06eaf2dc 100644
--- a/webrtc/p2p/quic/quicconnectionhelper_unittest.cc
+++ b/webrtc/p2p/quic/quicconnectionhelper_unittest.cc
@@ -8,11 +8,12 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
+#include <memory>
+
 #include "webrtc/p2p/quic/quicconnectionhelper.h"
 
 #include "net/quic/quic_time.h"
 #include "webrtc/base/gunit.h"
-#include "webrtc/base/scoped_ptr.h"
 
 using cricket::QuicAlarm;
 using cricket::QuicConnectionHelper;
@@ -89,7 +90,7 @@ class QuicAlarmTest : public ::testing::Test {
   // Used for setting clock time relative to alarm.
   MockClock clock_;
 
-  rtc::scoped_ptr<QuicAlarm> alarm_;
+  std::unique_ptr<QuicAlarm> alarm_;
 };
 
 // Test that the alarm is fired.