Add a new policy to allow for release channel delegation.

chrome/browser/ui/webui/options/chromeos/about_page_handler.cc

 // Copyright (c) 2012 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/ui/webui/options/chromeos/about_page_handler.h"
 
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/bind.h"
@@ skipping 36 matching lines @@
 // license.
 const char kBeginLink[] = "BEGIN_LINK";
 const char kEndLink[] = "END_LINK";
 const char kBeginLinkChr[] = "BEGIN_LINK_CHR";
 const char kBeginLinkOss[] = "BEGIN_LINK_OSS";
 const char kEndLinkChr[] = "END_LINK_CHR";
 const char kEndLinkOss[] = "END_LINK_OSS";
 const char kBeginLinkCrosOss[] = "BEGIN_LINK_CROS_OSS";
 const char kEndLinkCrosOss[] = "END_LINK_CROS_OSS";
 
-const char kDomainChangable[] = "domain";
-
 // Returns a substring [start, end) from |text|.
 std::string StringSubRange(const std::string& text, size_t start,
                            size_t end) {
   DCHECK(end > start);
   return text.substr(start, end - start);
 }
 
 bool CanChangeReleaseChannel() {
   // On non managed machines we have local owner who is the only one to change
   // anything.
   if (chromeos::UserManager::Get()->IsCurrentUserOwner())
     return true;
   // On a managed machine we delegate this setting to the users of the same
   // domain only if the policy value is "domain".
   if (g_browser_process->browser_policy_connector()->IsEnterpriseManaged()) {
-    std::string value;
-    chromeos::CrosSettings::Get()->GetString(chromeos::kReleaseChannel, &value);
-    if (value != kDomainChangable)
+    bool value = false;
+    if (!chromeos::CrosSettings::Get()->GetBoolean(
+            chromeos::kReleaseChannelDelegated, &value) || !value)
       return false;
     // Get the currently logged in user and strip the domain part only.
     std::string domain = "";
     std::string user = chromeos::UserManager::Get()->GetLoggedInUser().email();
     size_t at_pos = user.find('@');
     if (at_pos != std::string::npos && at_pos + 1 < user.length())
       domain = user.substr(user.find('@') + 1);
     return domain == g_browser_process->browser_policy_connector()->
         GetEnterpriseDomain();
   }
@@ skipping 361 matching lines @@
     // If UpdateEngineClient still has the observer, then the page handler
     // is valid.
     AboutPageHandler* handler = observer->page_handler();
     scoped_ptr<Value> channel_string(Value::CreateStringValue(channel));
     handler->web_ui()->CallJavascriptFunction(
         "AboutPage.updateSelectedOptionCallback", *channel_string);
   }
 }
 
 } // namespace chromeos