Convert //sync from scoped_ptr to std::unique_ptr

sync/sessions/nudge_tracker_unittest.cc

 // 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.
 
 #include "sync/sessions/nudge_tracker.h"
 
 #include <stddef.h>
 #include <stdint.h>
 #include <string>
 #include <utility>
@@ skipping 53 matching lines @@
     sync_pb::GetUpdateTriggers gu_trigger;
     nudge_tracker_.FillProtoMessage(type, &gu_trigger);
     return gu_trigger.datatype_refresh_nudges();
   }
 
   void SetInvalidationsInSync() {
     nudge_tracker_.OnInvalidationsEnabled();
     nudge_tracker_.RecordSuccessfulSyncCycle();
   }
 
-  scoped_ptr<InvalidationInterface> BuildInvalidation(
+  std::unique_ptr<InvalidationInterface> BuildInvalidation(
       int64_t version,
       const std::string& payload) {
     return MockInvalidation::Build(version, payload);
   }
 
-  static scoped_ptr<InvalidationInterface> BuildUnknownVersionInvalidation() {
+  static std::unique_ptr<InvalidationInterface>
+  BuildUnknownVersionInvalidation() {
     return MockInvalidation::BuildUnknownVersion();
   }
 
  protected:
   NudgeTracker nudge_tracker_;
 };
 
 // Exercise an empty NudgeTracker.
 // Use with valgrind to detect uninitialized members.
 TEST_F(NudgeTrackerTest, EmptyNudgeTracker) {
@@ skipping 738 matching lines @@
   bool IsInvalidationAcknowledged(int tracking_id) {
     return tracker_.IsAcknowledged(tracking_id);
   }
 
   bool IsInvalidationDropped(int tracking_id) {
     return tracker_.IsDropped(tracking_id);
   }
 
   int SendInvalidation(ModelType type, int version, const std::string& hint) {
     // Build and register the invalidation.
-    scoped_ptr<TrackableMockInvalidation> inv =
+    std::unique_ptr<TrackableMockInvalidation> inv =
         tracker_.IssueInvalidation(version, hint);
     int id = inv->GetTrackingId();
 
     // Send it to the NudgeTracker.
     nudge_tracker_.RecordRemoteInvalidation(type, std::move(inv));
 
     // Return its ID to the test framework for use in assertions.
     return id;
   }
 
   int SendUnknownVersionInvalidation(ModelType type) {
     // Build and register the invalidation.
-    scoped_ptr<TrackableMockInvalidation> inv =
+    std::unique_ptr<TrackableMockInvalidation> inv =
         tracker_.IssueUnknownVersionInvalidation();
     int id = inv->GetTrackingId();
 
     // Send it to the NudgeTracker.
     nudge_tracker_.RecordRemoteInvalidation(type, std::move(inv));
 
     // Return its ID to the test framework for use in assertions.
     return id;
   }
 
@@ skipping 109 matching lines @@
   EXPECT_TRUE(IsInvalidationAcknowledged(inv2_id));
   EXPECT_TRUE(IsInvalidationAcknowledged(inv3_id));
   EXPECT_TRUE(IsInvalidationAcknowledged(inv4_id));
   EXPECT_TRUE(IsInvalidationAcknowledged(inv5_id));
 
   EXPECT_TRUE(AllInvalidationsAccountedFor());
 }
 
 }  // namespace sessions
 }  // namespace syncer