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

chrome/browser/extensions/extension_apitest.h

Index: chrome/browser/extensions/extension_apitest.h
diff --git a/chrome/browser/extensions/extension_apitest.h b/chrome/browser/extensions/extension_apitest.h
index 541536520cc6ae0b5764399474ead87ee7452886..009ffdca30cf23647848ca642baf9f117235e8c0 100644
--- a/chrome/browser/extensions/extension_apitest.h
+++ b/chrome/browser/extensions/extension_apitest.h
@@ -171,13 +171,13 @@ class ExtensionApiTest : public ExtensionBrowserTest {
 
   // Hold details of the test, set in C++, which can be accessed by
   // javascript using chrome.test.getConfig().
-  scoped_ptr<base::DictionaryValue> test_config_;
+  std::unique_ptr<base::DictionaryValue> test_config_;
 
   // Hold the test WebSocket server.
-  scoped_ptr<net::SpawnedTestServer> websocket_server_;
+  std::unique_ptr<net::SpawnedTestServer> websocket_server_;
 
   // Hold the test FTP server.
-  scoped_ptr<net::SpawnedTestServer> ftp_server_;
+  std::unique_ptr<net::SpawnedTestServer> ftp_server_;
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_APITEST_H_