Switch SupportsUserData uses to use unique_ptr.

chrome/browser/ui/autofill/save_card_bubble_controller_impl_unittest.cc

Index: chrome/browser/ui/autofill/save_card_bubble_controller_impl_unittest.cc
diff --git a/chrome/browser/ui/autofill/save_card_bubble_controller_impl_unittest.cc b/chrome/browser/ui/autofill/save_card_bubble_controller_impl_unittest.cc
index fc31bc0b37a3c297514c5d71667ffe1aab354a65..c149d8c56566ad33e083884a56639272645a41e3 100644
--- a/chrome/browser/ui/autofill/save_card_bubble_controller_impl_unittest.cc
+++ b/chrome/browser/ui/autofill/save_card_bubble_controller_impl_unittest.cc
@@ -9,6 +9,7 @@
 
 #include "base/json/json_reader.h"
 #include "base/macros.h"
+#include "base/memory/ptr_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/test/histogram_tester.h"
 #include "base/values.h"
@@ -33,7 +34,8 @@ class TestSaveCardBubbleControllerImpl : public SaveCardBubbleControllerImpl {
  public:
   static void CreateForTesting(content::WebContents* web_contents) {
     web_contents->SetUserData(
-        UserDataKey(), new TestSaveCardBubbleControllerImpl(web_contents));
+        UserDataKey(),
+        base::MakeUnique<TestSaveCardBubbleControllerImpl>(web_contents));
   }
 
   explicit TestSaveCardBubbleControllerImpl(content::WebContents* web_contents)