Initial CL for Data Saver (Flywheel) prompt when cellular network detected

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"
 #include "chrome/common/pref_font_webkit_names.h"
 
 namespace prefs {
@@ skipping 592 matching lines @@
 const char kEnableAutoScreenLock[] = "settings.enable_screen_lock";
 
 // A boolean pref of whether to show mobile plan notifications.
 const char kShowPlanNotifications[] =
     "settings.internet.mobile.show_plan_notifications";
 
 // A boolean pref of whether to show 3G promo notification.
 const char kShow3gPromoNotification[] =
     "settings.internet.mobile.show_3g_promo_notification";
 
+// An integer pref counting times Data Saver prompt has been shown.
+const char kDataSaverPromptsShown[] =
+    "settings.internet.mobile.datasaver_prompts_shown";
+
 // A string pref that contains version where "What's new" promo was shown.
 const char kChromeOSReleaseNotesVersion[] = "settings.release_notes.version";
 
 // A boolean pref that controls whether proxy settings from shared network
 // settings (accordingly from device policy) are applied or ignored.
 const char kUseSharedProxies[] = "settings.use_shared_proxies";
 
 // Power state of the current displays from the last run.
 const char kDisplayPowerState[] = "settings.display.power_state";
 // A dictionary pref that stores per display preferences.
@@ skipping 1648 matching lines @@
 // (name and a list of clients that registered the whitelist).
 const char kRegisteredSupervisedUserWhitelists[] =
     "supervised_users.whitelists";
 
 #if defined(ENABLE_EXTENSIONS)
 // Policy that indicates how to handle animated images.
 const char kAnimationPolicy[] = "settings.a11y.animation_policy";
 #endif
 
 }  // namespace prefs