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

extensions/browser/extension_protocols.h

Index: extensions/browser/extension_protocols.h
diff --git a/extensions/browser/extension_protocols.h b/extensions/browser/extension_protocols.h
index 190b50fca2bf99c27a4967d4dc8e89dba5d28505..aff38b1caaa2b5aa9bf2de573fa3588dfd35207c 100644
--- a/extensions/browser/extension_protocols.h
+++ b/extensions/browser/extension_protocols.h
@@ -5,9 +5,9 @@
 #ifndef EXTENSIONS_BROWSER_EXTENSION_PROTOCOLS_H_
 #define EXTENSIONS_BROWSER_EXTENSION_PROTOCOLS_H_
 
+#include <memory>
 #include <string>
 
-#include "base/memory/scoped_ptr.h"
 #include "net/url_request/url_request_job_factory.h"
 
 namespace base {
@@ -32,7 +32,7 @@ net::HttpResponseHeaders* BuildHttpHeaders(
 // Creates the handlers for the chrome-extension:// scheme. Pass true for
 // |is_incognito| only for incognito profiles and not for Chrome OS guest mode
 // profiles.
-scoped_ptr<net::URLRequestJobFactory::ProtocolHandler>
+std::unique_ptr<net::URLRequestJobFactory::ProtocolHandler>
 CreateExtensionProtocolHandler(bool is_incognito, InfoMap* extension_info_map);
 
 }  // namespace extensions