Convert //components/proximity_auth from scoped_ptr to std::unique_ptr

components/proximity_auth/unlock_manager_unittest.cc

Index: components/proximity_auth/unlock_manager_unittest.cc
diff --git a/components/proximity_auth/unlock_manager_unittest.cc b/components/proximity_auth/unlock_manager_unittest.cc
index 9f05d0c6170aae291dc7a365cb5bd2e9649c6bc0..eed56f75360e2d8c164a964ef6b0ebc102c933fe 100644
--- a/components/proximity_auth/unlock_manager_unittest.cc
+++ b/components/proximity_auth/unlock_manager_unittest.cc
@@ -4,11 +4,11 @@
 
 #include "components/proximity_auth/unlock_manager.h"
 
+#include <memory>
 #include <utility>
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/test/test_simple_task_runner.h"
 #include "base/thread_task_runner_handle.h"
 #include "build/build_config.h"
@@ -158,10 +158,10 @@ class TestUnlockManager : public UnlockManager {
   MockProximityMonitor* proximity_monitor() { return proximity_monitor_; }
 
  private:
-  scoped_ptr<ProximityMonitor> CreateProximityMonitor(
+  std::unique_ptr<ProximityMonitor> CreateProximityMonitor(
       const RemoteDevice& remote_device) override {
     EXPECT_EQ(kTestRemoteDevicePublicKey, remote_device.public_key);
-    scoped_ptr<MockProximityMonitor> proximity_monitor(
+    std::unique_ptr<MockProximityMonitor> proximity_monitor(
         new NiceMock<MockProximityMonitor>());
     proximity_monitor_ = proximity_monitor.get();
     return std::move(proximity_monitor);
@@ -261,7 +261,7 @@ class ProximityAuthUnlockManagerTest : public testing::Test {
   NiceMock<MockProximityAuthClient> proximity_auth_client_;
   NiceMock<MockRemoteDeviceLifeCycle> life_cycle_;
   NiceMock<MockMessenger> messenger_;
-  scoped_ptr<TestUnlockManager> unlock_manager_;
+  std::unique_ptr<TestUnlockManager> unlock_manager_;
   FakeSecureContext secure_context_;
 
  private: