Change scoped_ptr to std::unique_ptr in //net.

net/tools/flip_server/ring_buffer.h

Index: net/tools/flip_server/ring_buffer.h
diff --git a/net/tools/flip_server/ring_buffer.h b/net/tools/flip_server/ring_buffer.h
index 9b0edfcb4345a7e3e3817507adf29bc4e7e5ac14..538595c657dc82056262c1088cf42b8190e15424 100644
--- a/net/tools/flip_server/ring_buffer.h
+++ b/net/tools/flip_server/ring_buffer.h
@@ -5,8 +5,9 @@
 #ifndef NET_TOOLS_FLIP_SERVER_RING_BUFFER_H__
 #define NET_TOOLS_FLIP_SERVER_RING_BUFFER_H__
 
+#include <memory>
+
 #include "base/compiler_specific.h"
-#include "base/memory/scoped_ptr.h"
 #include "net/tools/balsa/buffer_interface.h"
 
 namespace net {
@@ -97,7 +98,7 @@ class RingBuffer : public BufferInterface {
   int set_write_idx(int idx) { return write_idx_ = idx; }
 
  private:
-  scoped_ptr<char[]> buffer_;
+  std::unique_ptr<char[]> buffer_;
   int buffer_size_;
   int bytes_used_;
   int read_idx_;