Switch to using scoped_ptr with UserData

content/browser/webui/url_data_manager.cc

Index: content/browser/webui/url_data_manager.cc
diff --git a/content/browser/webui/url_data_manager.cc b/content/browser/webui/url_data_manager.cc
index 0a482ad8ae00ea890634668dfe676ebc7375e76f..5681ff549fd49075b11c7b1add1fe2196f3ac308 100644
--- a/content/browser/webui/url_data_manager.cc
+++ b/content/browser/webui/url_data_manager.cc
@@ -11,6 +11,7 @@
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/lazy_instance.h"
+#include "base/memory/ptr_util.h"
 #include "base/memory/ref_counted_memory.h"
 #include "base/message_loop/message_loop.h"
 #include "base/strings/string_util.h"
@@ -32,7 +33,8 @@ base::LazyInstance<base::Lock>::Leaky g_delete_lock = LAZY_INSTANCE_INITIALIZER;
 
 URLDataManager* GetFromBrowserContext(BrowserContext* context) {
   if (!context->GetUserData(kURLDataManagerKeyName)) {
-    context->SetUserData(kURLDataManagerKeyName, new URLDataManager(context));
+    context->SetUserData(kURLDataManagerKeyName,
+                         base::MakeUnique<URLDataManager>(context));
   }
   return static_cast<URLDataManager*>(
       context->GetUserData(kURLDataManagerKeyName));