Remove implicit conversions from scoped_refptr to T* in chrome/browser/browsing_data/

chrome/browser/browsing_data/cookies_tree_model.cc

Index: chrome/browser/browsing_data/cookies_tree_model.cc
diff --git a/chrome/browser/browsing_data/cookies_tree_model.cc b/chrome/browser/browsing_data/cookies_tree_model.cc
index e988668c69ab1b1c37b120d2e8854d892daf2e49..8deb087ada30b5d027e63159f07750d21d53f6fe 100644
--- a/chrome/browser/browsing_data/cookies_tree_model.cc
+++ b/chrome/browser/browsing_data/cookies_tree_model.cc
@@ -1038,7 +1038,7 @@ void CookiesTreeModel::UpdateSearchResults(const base::string16& filter) {
 #if defined(ENABLE_EXTENSIONS)
 const extensions::ExtensionSet* CookiesTreeModel::ExtensionsProtectingNode(
     const CookieTreeNode& cookie_node) {
-  if (!special_storage_policy_)
+  if (!special_storage_policy_.get())
     return NULL;
 
   CookieTreeNode::DetailedInfo info = cookie_node.GetDetailedInfo();