Convert //google_apis from scoped_ptr to std::unique_ptr

google_apis/gcm/engine/checkin_request_unittest.cc

Index: google_apis/gcm/engine/checkin_request_unittest.cc
diff --git a/google_apis/gcm/engine/checkin_request_unittest.cc b/google_apis/gcm/engine/checkin_request_unittest.cc
index 4740815c8c525953230936d0f7ab491e0eb91060..89365e5f3c5a9f4bd5bab3c34a4282ef63706087 100644
--- a/google_apis/gcm/engine/checkin_request_unittest.cc
+++ b/google_apis/gcm/engine/checkin_request_unittest.cc
@@ -49,7 +49,7 @@ class CheckinRequestTest : public GCMRequestTestBase {
   uint64_t security_token_;
   int checkin_device_type_;
   checkin_proto::ChromeBuildProto chrome_build_proto_;
-  scoped_ptr<CheckinRequest> request_;
+  std::unique_ptr<CheckinRequest> request_;
   FakeGCMStatsRecorder recorder_;
 };