Make UserScript non-copyable.

chrome/browser/chromeos/accessibility/accessibility_manager.cc

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/chromeos/accessibility/accessibility_manager.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <memory>
@@ skipping 247 matching lines @@
   ExecuteScriptHelper(render_view_host, "window.INJECTED_AFTER_LOAD = true;",
                       extension->id());
 
   // Inject ChromeVox' content scripts.
   ContentScriptLoader* loader = new ContentScriptLoader(
       extension->id(), render_view_host->GetProcess()->GetID(),
       render_view_host->GetRoutingID());
 
   const extensions::UserScriptList& content_scripts =
       extensions::ContentScriptsInfo::GetContentScripts(extension);
-  for (size_t i = 0; i < content_scripts.size(); i++) {
-    const extensions::UserScript& script = content_scripts[i];
-    if (web_contents && !script.MatchesURL(content_url))
+  for (const std::unique_ptr<extensions::UserScript>& script :
+       content_scripts) {
+    if (web_contents && !script->MatchesURL(content_url))
       continue;
-    for (size_t j = 0; j < script.js_scripts().size(); ++j) {
-      const extensions::UserScript::File& file = script.js_scripts()[j];
-      extensions::ExtensionResource resource = extension->GetResource(
-          file.relative_path());
+    for (size_t j = 0; j < script->js_scripts().size(); ++j) {
+      const std::unique_ptr<extensions::UserScriptFile>& file =

[Devlin, 2016/08/17 16:39:30]

nit: maybe update this to range-based for loop, too?

[lazyboy, 2016/08/17 18:55:51]

Done.

+          script->js_scripts()[j];
+      extensions::ExtensionResource resource =
+          extension->GetResource(file->relative_path());
       loader->AppendScript(resource);
     }
   }
   loader->Run();  // It cleans itself up when done.
 }
 
 void UnloadChromeVoxExtension(Profile* profile) {
   base::FilePath path = GetChromeVoxPath();
   ExtensionService* extension_service =
       extensions::ExtensionSystem::Get(profile)->extension_service();
@@ skipping 1257 matching lines @@
     content::BrowserContext* context) {
   keyboard_listener_extension_id_ = id;
 
   extensions::ExtensionRegistry* registry =
       extensions::ExtensionRegistry::Get(context);
   if (!extension_registry_observer_.IsObserving(registry) && !id.empty())
     extension_registry_observer_.Add(registry);
 }
 
 }  // namespace chromeos