Move some content url constants to /url.

extensions/browser/extension_web_contents_observer.cc

 // Copyright 2014 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 "extensions/browser/extension_web_contents_observer.h"
 
 #include "content/public/browser/child_process_security_policy.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/site_instance.h"
@@ skipping 37 matching lines @@
     content::ChildProcessSecurityPolicy::GetInstance()->GrantScheme(
         process->GetID(), content::kChromeUIScheme);
   }
 
   // Some extensions use file:// URLs.
   if (type == Manifest::TYPE_EXTENSION ||
       type == Manifest::TYPE_LEGACY_PACKAGED_APP) {
     ExtensionPrefs* prefs = ExtensionPrefs::Get(browser_context_);
     if (prefs->AllowFileAccess(extension->id())) {
       content::ChildProcessSecurityPolicy::GetInstance()->GrantScheme(
-          process->GetID(), content::kFileScheme);
+          process->GetID(), url::kFileScheme);
     }
   }
 
   switch (type) {
     case Manifest::TYPE_EXTENSION:
     case Manifest::TYPE_USER_SCRIPT:
     case Manifest::TYPE_HOSTED_APP:
     case Manifest::TYPE_LEGACY_PACKAGED_APP:
     case Manifest::TYPE_PLATFORM_APP:
       // Always send a Loaded message before ActivateExtension so that
@@ skipping 45 matching lines @@
   // site, so we can ignore that wrinkle here.
   const GURL& site = render_view_host->GetSiteInstance()->GetSiteURL();
 
   if (!site.SchemeIs(kExtensionScheme))
     return std::string();
 
   return site.host();
 }
 
 }  // namespace extensions