Fix object ownership in ui/base/models.

chrome/browser/android/bookmarks/partner_bookmarks_shim.h

Index: chrome/browser/android/bookmarks/partner_bookmarks_shim.h
diff --git a/chrome/browser/android/bookmarks/partner_bookmarks_shim.h b/chrome/browser/android/bookmarks/partner_bookmarks_shim.h
index 7454d80a9f22cb9dfdfc2f35ecc1b369336d17bc..af6ab2812302e1dff87da0473f41839a10ded069 100644
--- a/chrome/browser/android/bookmarks/partner_bookmarks_shim.h
+++ b/chrome/browser/android/bookmarks/partner_bookmarks_shim.h
@@ -94,8 +94,9 @@ class PartnerBookmarksShim : public base::SupportsUserData::Data {
   const bookmarks::BookmarkNode* GetPartnerBookmarksRoot() const;
 
   // Sets the root node of the partner bookmarks and notifies any observers that
-  // the shim has now been loaded.  Takes ownership of |root_node|.
-  void SetPartnerBookmarksRoot(bookmarks::BookmarkNode* root_node);
+  // the shim has now been loaded.
+  void SetPartnerBookmarksRoot(
+      std::unique_ptr<bookmarks::BookmarkNode> root_node);
 
   // Used as a "unique" identifier of the partner bookmark node for the purposes
   // of node deletion and title editing. Two bookmarks with the same URLs and