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

chrome/browser/chromeos/login/ui/captive_portal_window_browsertest.cc

Index: chrome/browser/chromeos/login/ui/captive_portal_window_browsertest.cc
diff --git a/chrome/browser/chromeos/login/ui/captive_portal_window_browsertest.cc b/chrome/browser/chromeos/login/ui/captive_portal_window_browsertest.cc
index 408b686ca249c2989539e9f42ec783051af1fdcb..11a54b077acc296af663d6613e610b6dac6852d5 100644
--- a/chrome/browser/chromeos/login/ui/captive_portal_window_browsertest.cc
+++ b/chrome/browser/chromeos/login/ui/captive_portal_window_browsertest.cc
@@ -2,11 +2,12 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+#include <memory>
+
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
 #include "base/logging.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "chrome/browser/chromeos/login/login_manager_test.h"
 #include "chrome/browser/chromeos/login/screens/error_screen.h"
 #include "chrome/browser/chromeos/login/screens/network_error_view.h"
@@ -94,7 +95,7 @@ class CaptivePortalWindowTest : public InProcessBrowserTest {
   }
 
  private:
-  scoped_ptr<CaptivePortalWindowProxy> captive_portal_window_proxy_;
+  std::unique_ptr<CaptivePortalWindowProxy> captive_portal_window_proxy_;
   CaptivePortalWindowProxyStubDelegate delegate_;
 
   LoginDisplayHost* host_;