Convert //chrome/browser/extensions from scoped_ptr to std::unique_ptr

chrome/browser/extensions/api/braille_display_private/brlapi_connection.cc

Index: chrome/browser/extensions/api/braille_display_private/brlapi_connection.cc
diff --git a/chrome/browser/extensions/api/braille_display_private/brlapi_connection.cc b/chrome/browser/extensions/api/braille_display_private/brlapi_connection.cc
index c2531cd01b219abce94b32fd8f46ba048d3928fe..5739710383dceb519f03c0051fd71f11a875efd0 100644
--- a/chrome/browser/extensions/api/braille_display_private/brlapi_connection.cc
+++ b/chrome/browser/extensions/api/braille_display_private/brlapi_connection.cc
@@ -57,7 +57,7 @@ class BrlapiConnectionImpl : public BrlapiConnection,
   ConnectResult ConnectResultForError();
 
   LibBrlapiLoader* libbrlapi_loader_;
-  scoped_ptr<brlapi_handle_t, base::FreeDeleter> handle_;
+  std::unique_ptr<brlapi_handle_t, base::FreeDeleter> handle_;
   MessageLoopForIO::FileDescriptorWatcher fd_controller_;
   OnDataReadyCallback on_data_ready_;
 
@@ -70,10 +70,10 @@ BrlapiConnection::BrlapiConnection() {
 BrlapiConnection::~BrlapiConnection() {
 }
 
-scoped_ptr<BrlapiConnection> BrlapiConnection::Create(
+std::unique_ptr<BrlapiConnection> BrlapiConnection::Create(
     LibBrlapiLoader* loader) {
   DCHECK(loader->loaded());
-  return scoped_ptr<BrlapiConnection>(new BrlapiConnectionImpl(loader));
+  return std::unique_ptr<BrlapiConnection>(new BrlapiConnectionImpl(loader));
 }
 
 BrlapiConnection::ConnectResult BrlapiConnectionImpl::Connect(