Convert //extensions/renderer from scoped_ptr to std::unique_ptr

extensions/renderer/api/serial/data_sender_unittest.cc

Index: extensions/renderer/api/serial/data_sender_unittest.cc
diff --git a/extensions/renderer/api/serial/data_sender_unittest.cc b/extensions/renderer/api/serial/data_sender_unittest.cc
index a38dd10f201a6c6e4443c4924792b77604533d43..457e25ce777aec34d781ec69cae775f8852cf612 100644
--- a/extensions/renderer/api/serial/data_sender_unittest.cc
+++ b/extensions/renderer/api/serial/data_sender_unittest.cc
@@ -49,7 +49,7 @@ class DataSenderTest : public ApiTestBase {
         base::Bind(base::DoNothing));
   }
 
-  void ReadyToReceive(scoped_ptr<device::ReadOnlyBuffer> buffer) {
+  void ReadyToReceive(std::unique_ptr<device::ReadOnlyBuffer> buffer) {
     std::string data(buffer->GetData(), buffer->GetSize());
     if (expected_data_.empty()) {
       buffer_ = std::move(buffer);
@@ -85,7 +85,7 @@ class DataSenderTest : public ApiTestBase {
   }
 
   scoped_refptr<device::DataSinkReceiver> receiver_;
-  scoped_ptr<device::ReadOnlyBuffer> buffer_;
+  std::unique_ptr<device::ReadOnlyBuffer> buffer_;
 
   DISALLOW_COPY_AND_ASSIGN(DataSenderTest);
 };