Revert 152609 - Integrate invalidation API into ChromeToMobileService.

chrome/common/pref_names.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/common/pref_names.h"
 
 #include "base/basictypes.h"
 
 namespace prefs {
 
@@ skipping 1727 matching lines @@
 
 // The last requested size of the dialog as it was closed.
 const char kCloudPrintDialogWidth[] = "cloud_print.dialog_size.width";
 const char kCloudPrintDialogHeight[] = "cloud_print.dialog_size.height";
 const char kCloudPrintSigninDialogWidth[] =
     "cloud_print.signin_dialog_size.width";
 const char kCloudPrintSigninDialogHeight[] =
     "cloud_print.signin_dialog_size.height";
 
 #if !defined(OS_ANDROID)
-// The Chrome To Mobile service mobile device list pref.
+// The Chrome To Mobile service prefs; the device list and last update time.
 const char kChromeToMobileDeviceList[] = "chrome_to_mobile.device_list";
+const char kChromeToMobileTimestamp[] = "chrome_to_mobile.timestamp";
 #endif
 
 // The list of BackgroundContents that should be loaded when the browser
 // launches.
 const char kRegisteredBackgroundContents[] = "background_contents.registered";
 
 #if !defined(OS_ANDROID)
 // An int that stores how often we've shown the "Chrome is configured to
 // auto-launch" infobar.
 const char kShownAutoLaunchInfobar[] = "browser.shown_autolaunch_infobar";
@@ skipping 279 matching lines @@
 
 // Counts how many more times the 'profile on a network share' warning should be
 // shown to the user before the next silence period.
 const char kNetworkProfileWarningsLeft[] = "network_profile.warnings_left";
 // Tracks the time of the last shown warning. Used to reset
 // |network_profile.warnings_left| after a silence period.
 const char kNetworkProfileLastWarningTime[] =
     "network_profile.last_warning_time";
 
 }  // namespace prefs