Make UserScript non-copyable.

chrome/browser/extensions/user_script_listener.cc

Index: chrome/browser/extensions/user_script_listener.cc
diff --git a/chrome/browser/extensions/user_script_listener.cc b/chrome/browser/extensions/user_script_listener.cc
index 4f8338b874a12b81463881ea517785fd07f85930..d992b93abd04ec3ef5398dcd0b77e303962ab6b2 100644
--- a/chrome/browser/extensions/user_script_listener.cc
+++ b/chrome/browser/extensions/user_script_listener.cc
@@ -206,13 +206,10 @@ void UserScriptListener::CollectURLPatterns(const Extension* extension,
                                             URLPatterns* patterns) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 
-  const UserScriptList& scripts =
-      ContentScriptsInfo::GetContentScripts(extension);
-  for (UserScriptList::const_iterator iter = scripts.begin();
-       iter != scripts.end(); ++iter) {
-    patterns->insert(patterns->end(),
-                     (*iter).url_patterns().begin(),
-                     (*iter).url_patterns().end());
+  for (const std::unique_ptr<UserScript>& script :
+       ContentScriptsInfo::GetContentScripts(extension)) {
+    patterns->insert(patterns->end(), script->url_patterns().begin(),
+                     script->url_patterns().end());
   }
 }