Allow policy refresh rate to be configured through policy.

chrome/common/policy_constants.cc

 // Copyright (c) 2010 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/common/policy_constants.h"
 
 namespace policy {
 
 #if defined(OS_WIN)
 #if defined(GOOGLE_CHROME_BUILD)
@@ skipping 58 matching lines @@
 const char kDefaultNotificationSetting[] = "DefaultNotificationSetting";
 const char kDefaultGeolocationSetting[] = "DefaultGeolocationSetting";
 const char kAuthSchemes[] = "AuthSchemes";
 const char kDisableAuthNegotiateCnameLookup[] =
     "DisableAuthNegotiateCnameLookup";
 const char kEnableAuthNegotiatePort[] = "EnableAuthNegotiatePort";
 const char kAuthServerWhitelist[] = "AuthServerWhitelist";
 const char kAuthNegotiateDelegateWhitelist[] = "AuthNegotiateDelegateWhitelist";
 const char kGSSAPILibraryName[] = "GSSAPILibraryName";
 const char kDisable3DAPIs[] = "Disable3DAPIs";
+const char kPolicyRefreshRate[] = "PolicyRefreshRate";
 
 // Chrome Frame specific policy constants
 const char kChromeFrameRendererSettings[] = "ChromeFrameRendererSettings";
 const char kRenderInChromeFrameList[] = "RenderInChromeFrameList";
 const char kRenderInHostList[] = "RenderInHostList";
 const char kChromeFrameContentTypes[] = "ChromeFrameContentTypes";
 
 #if defined(OS_CHROMEOS)
 // ChromeOS policy constants
 const char kChromeOsLockOnIdleSuspend[] = "ChromeOsLockOnIdleSuspend";
 #endif
 
 }  // namespace key
 
 }  // namespace policy