Change refs from ChromeSigninClient to base SigninClient class.

chrome/browser/extensions/browser_permissions_policy_delegate.cc

 // Copyright 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/extensions/browser_permissions_policy_delegate.h"
 
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "content/public/browser/browser_thread.h"
@@ skipping 30 matching lines @@
   if (!g_browser_process->profile_manager())
     return true;
 
   // We don't have a Profile in this context. That's OK - for our purposes,
   // we can just check every Profile for its signin process. If any of them
   // match, block script access.
   std::vector<Profile*> profiles =
       g_browser_process->profile_manager()->GetLoadedProfiles();
   for (std::vector<Profile*>::iterator profile = profiles.begin();
        profile != profiles.end(); ++profile) {
-    ChromeSigninClient* signin_client =
+    SigninClient* signin_client =
         ChromeSigninClientFactory::GetForProfile(*profile);
     if (signin_client && signin_client->IsSigninProcess(process_id)) {
       if (error)
         *error = errors::kCannotScriptSigninPage;
       return false;
     }
   }
 #endif
 
   return true;
 }
 
 }  // namespace extensions