Remove support for special "sign in process" state.

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"
 #include "extensions/common/manifest_constants.h"
 
 #if !defined(OS_CHROMEOS)
 #include "chrome/browser/signin/chrome_signin_client.h"

[Andrew T Wilson (Slow), 2015/03/19 07:05:33]

Can we remove these includes now?

[Roger Tawa OOO till Jul 10th, 2015/03/19 21:19:35]

Done.

 #include "chrome/browser/signin/chrome_signin_client_factory.h"
 #endif
 
 namespace extensions {
 
 namespace errors = manifest_errors;
 
 BrowserPermissionsPolicyDelegate::BrowserPermissionsPolicyDelegate() {
   PermissionsData::SetPolicyDelegate(this);
 }
 BrowserPermissionsPolicyDelegate::~BrowserPermissionsPolicyDelegate() {
   PermissionsData::SetPolicyDelegate(NULL);
 }
 
 bool BrowserPermissionsPolicyDelegate::CanExecuteScriptOnPage(
     const Extension* extension,
     const GURL& document_url,
     const GURL& top_document_url,
     int tab_id,
     int process_id,
     std::string* error) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
-
-#if !defined(OS_CHROMEOS)
-  // NULL in unit tests.
-  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) {
-    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