Make UserScript non-copyable.

extensions/renderer/user_script_set.h

Index: extensions/renderer/user_script_set.h
diff --git a/extensions/renderer/user_script_set.h b/extensions/renderer/user_script_set.h
index 8b28d768abd7fc5d25863bed9760a357b296c43a..30711c7832c478872aa2c3d873f6aa724ff9e2eb 100644
--- a/extensions/renderer/user_script_set.h
+++ b/extensions/renderer/user_script_set.h
@@ -32,9 +32,8 @@ class UserScriptSet {
  public:
   class Observer {
    public:
-    virtual void OnUserScriptsUpdated(
-        const std::set<HostID>& changed_hosts,
-        const std::vector<std::unique_ptr<UserScript>>& scripts) = 0;
+    virtual void OnUserScriptsUpdated(const std::set<HostID>& changed_hosts,
+                                      const UserScriptList& scripts) = 0;
   };
 
   UserScriptSet();
@@ -71,10 +70,6 @@ class UserScriptSet {
                          const std::set<HostID>& changed_hosts,
                          bool whitelisted_only);
 
-  const std::vector<std::unique_ptr<UserScript>>& scripts() const {
-    return scripts_;
-  }
-
  private:
   // Returns a new ScriptInjection for the given |script| to execute in the
   // |render_frame|, or NULL if the script should not execute.
@@ -91,7 +86,7 @@ class UserScriptSet {
   std::unique_ptr<base::SharedMemory> shared_memory_;
 
   // The UserScripts this injector manages.
-  std::vector<std::unique_ptr<UserScript>> scripts_;
+  UserScriptList scripts_;
 
   // The associated observers.
   base::ObserverList<Observer> observers_;