Update SupportsUserData uses with unique_ptr.

chrome/browser/password_manager/chrome_password_manager_client.cc

Index: chrome/browser/password_manager/chrome_password_manager_client.cc
diff --git a/chrome/browser/password_manager/chrome_password_manager_client.cc b/chrome/browser/password_manager/chrome_password_manager_client.cc
index 1a14e357965f7b1db6c5fd4f3138ba20b87b009e..44fe8af10ad808e6619ca6bd475bd4c7e66d6185 100644
--- a/chrome/browser/password_manager/chrome_password_manager_client.cc
+++ b/chrome/browser/password_manager/chrome_password_manager_client.cc
@@ -10,6 +10,7 @@
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
+#include "base/memory/ptr_util.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/singleton.h"
 #include "base/metrics/field_trial.h"
@@ -149,9 +150,9 @@ void ChromePasswordManagerClient::CreateForWebContentsWithAutofillClient(
   if (FromWebContents(contents))
     return;
 
-  contents->SetUserData(
-      UserDataKey(),
-      new ChromePasswordManagerClient(contents, autofill_client));
+  contents->SetUserData(UserDataKey(),
+                        base::WrapUnique(new ChromePasswordManagerClient(
+                            contents, autofill_client)));
 }
 
 ChromePasswordManagerClient::ChromePasswordManagerClient(