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

extensions/browser/api/socket/tls_socket.h

Index: extensions/browser/api/socket/tls_socket.h
diff --git a/extensions/browser/api/socket/tls_socket.h b/extensions/browser/api/socket/tls_socket.h
index 2bd5ea7c392a853faba6ab2afa2ef287bc457e69..2f7a683efb46343a724b75620e1128d233777681 100644
--- a/extensions/browser/api/socket/tls_socket.h
+++ b/extensions/browser/api/socket/tls_socket.h
@@ -36,9 +36,9 @@ class TLSSocket;
 // touch any socket state.
 class TLSSocket : public ResumableTCPSocket {
  public:
-  typedef base::Callback<void(scoped_ptr<TLSSocket>, int)> SecureCallback;
+  typedef base::Callback<void(std::unique_ptr<TLSSocket>, int)> SecureCallback;
 
-  TLSSocket(scoped_ptr<net::StreamSocket> tls_socket,
+  TLSSocket(std::unique_ptr<net::StreamSocket> tls_socket,
             const std::string& owner_extension_id);
 
   ~TLSSocket() override;
@@ -110,7 +110,7 @@ class TLSSocket : public ResumableTCPSocket {
   void OnReadComplete(const scoped_refptr<net::IOBuffer>& io_buffer,
                       int result);
 
-  scoped_ptr<net::StreamSocket> tls_socket_;
+  std::unique_ptr<net::StreamSocket> tls_socket_;
   ReadCompletionCallback read_callback_;
 };