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

components/sync_driver/sync_stopped_reporter.h

Index: components/sync_driver/sync_stopped_reporter.h
diff --git a/components/sync_driver/sync_stopped_reporter.h b/components/sync_driver/sync_stopped_reporter.h
index c7e2d1d648932b2e61aceea82c2b328c1ec4c178..0d527c8d4c4bb88043457dab9d3f53a0e11c7903 100644
--- a/components/sync_driver/sync_stopped_reporter.h
+++ b/components/sync_driver/sync_stopped_reporter.h
@@ -5,11 +5,11 @@
 #ifndef COMPONENTS_SYNC_DRIVER_SYNC_STOPPED_REPORTER_H_
 #define COMPONENTS_SYNC_DRIVER_SYNC_STOPPED_REPORTER_H_
 
+#include <memory>
 #include <string>
 
 #include "base/callback.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/timer/timer.h"
 #include "net/url_request/url_fetcher.h"
 #include "net/url_request/url_fetcher_delegate.h"
@@ -70,7 +70,7 @@ class SyncStoppedReporter : public net::URLFetcherDelegate {
   scoped_refptr<net::URLRequestContextGetter> request_context_;
 
   // The current URLFetcher. Null unless a request is in progress.
-  scoped_ptr<net::URLFetcher> fetcher_;
+  std::unique_ptr<net::URLFetcher> fetcher_;
 
   // A callback for request completion or timeout.
   ResultCallback callback_;