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

chrome/browser/chromeos/login/test/https_forwarder.h

Index: chrome/browser/chromeos/login/test/https_forwarder.h
diff --git a/chrome/browser/chromeos/login/test/https_forwarder.h b/chrome/browser/chromeos/login/test/https_forwarder.h
index c054ae71d38617983b2b619a7efa14da7c2e0b9d..aa7eb9751ab6bedd3a8a043304597b23b3196909 100644
--- a/chrome/browser/chromeos/login/test/https_forwarder.h
+++ b/chrome/browser/chromeos/login/test/https_forwarder.h
@@ -5,11 +5,11 @@
 #ifndef CHROME_BROWSER_CHROMEOS_LOGIN_TEST_HTTPS_FORWARDER_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_TEST_HTTPS_FORWARDER_H_
 
+#include <memory>
 #include <string>
 
 #include "base/compiler_specific.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "url/gurl.h"
 
 namespace chromeos {
@@ -35,7 +35,7 @@ class HTTPSForwarder {
  private:
   std::string ssl_host_;
 
-  scoped_ptr<ForwardingServer> forwarding_server_;
+  std::unique_ptr<ForwardingServer> forwarding_server_;
 
   DISALLOW_COPY_AND_ASSIGN(HTTPSForwarder);
 };