Update Linux to use scoped_refptr<T>::get() rather than implicit "operator T*"

chrome/browser/ui/webui/policy_ui.cc

Index: chrome/browser/ui/webui/policy_ui.cc
diff --git a/chrome/browser/ui/webui/policy_ui.cc b/chrome/browser/ui/webui/policy_ui.cc
index e1283c7d57a9e3f9b248d186862ec192db9c17c2..5a99ec7714d1e30bcf8997b3002c58ab37aba2ff 100644
--- a/chrome/browser/ui/webui/policy_ui.cc
+++ b/chrome/browser/ui/webui/policy_ui.cc
@@ -565,7 +565,7 @@ void PolicyUIHandler::SendPolicyNames() const {
 
   for (ExtensionSet::const_iterator it = extensions->begin();
        it != extensions->end(); ++it) {
-    const extensions::Extension* extension = *it;
+    const extensions::Extension* extension = it->get();
     // Skip this extension if it's not an enterprise extension.
     if (!extension->manifest()->HasPath(
         extension_manifest_keys::kStorageManagedSchema))
@@ -612,7 +612,7 @@ void PolicyUIHandler::SendPolicyValues() const {
 
   for (ExtensionSet::const_iterator it = extensions->begin();
        it != extensions->end(); ++it) {
-    const extensions::Extension* extension = *it;
+    const extensions::Extension* extension = it->get();
     // Skip this extension if it's not an enterprise extension.
     if (!extension->manifest()->HasPath(
         extension_manifest_keys::kStorageManagedSchema))