Replace scoped_ptr with std::unique_ptr in //ui

ui/views/test/webview_test_helper.h

Index: ui/views/test/webview_test_helper.h
diff --git a/ui/views/test/webview_test_helper.h b/ui/views/test/webview_test_helper.h
index 1c692a96fef3b2436405ed198a98e07ec9c26614..a58cf0e6b0031b86900640d30293cc73e59d9910 100644
--- a/ui/views/test/webview_test_helper.h
+++ b/ui/views/test/webview_test_helper.h
@@ -5,8 +5,9 @@
 #ifndef UI_VIEWS_TEST_WEB_VIEW_TEST_HELPER_H_
 #define UI_VIEWS_TEST_WEB_VIEW_TEST_HELPER_H_
 
+#include <memory>
+
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 
 namespace base {
 class MessageLoopForUI;
@@ -24,7 +25,7 @@ class WebViewTestHelper {
   virtual ~WebViewTestHelper();
 
  private:
-  scoped_ptr<content::TestContentClientInitializer>
+  std::unique_ptr<content::TestContentClientInitializer>
       test_content_client_initializer_;
 
   DISALLOW_COPY_AND_ASSIGN(WebViewTestHelper);