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

BUG=554298
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Review URL: https://codereview.chromium.org/1907003003

Cr-Commit-Position: refs/heads/master@{#388906}
diff --git a/components/gcm_driver/fake_gcm_client.cc b/components/gcm_driver/fake_gcm_client.cc
index ef2acf05..e0cb8a7 100644
--- a/components/gcm_driver/fake_gcm_client.cc
+++ b/components/gcm_driver/fake_gcm_client.cc
@@ -78,7 +78,7 @@
     const scoped_refptr<base::SequencedTaskRunner>& blocking_task_runner,
     const scoped_refptr<net::URLRequestContextGetter>&
         url_request_context_getter,
-    scoped_ptr<Encryptor> encryptor,
+    std::unique_ptr<Encryptor> encryptor,
     Delegate* delegate) {
   delegate_ = delegate;
 }
@@ -194,8 +194,7 @@
 void FakeGCMClient::SetLastTokenFetchTime(const base::Time& time) {
 }
 
-void FakeGCMClient::UpdateHeartbeatTimer(scoped_ptr<base::Timer> timer) {
-}
+void FakeGCMClient::UpdateHeartbeatTimer(std::unique_ptr<base::Timer> timer) {}
 
 void FakeGCMClient::AddInstanceIDData(const std::string& app_id,
                                       const std::string& instance_id,