Stop showing notifications if they're ignored

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/macros.h"
 #include "build/build_config.h"
 #include "chrome/common/features.h"
 #include "chrome/common/pref_font_webkit_names.h"
@@ skipping 1525 matching lines @@
 // Keeps track of recently closed tabs collapsed state in the Other Devices
 // menu.
 const char kNtpCollapsedRecentlyClosedTabs[] =
     "ntp.collapsed_recently_closed_tabs";
 
 // Keeps track of snapshot documents collapsed state in the Other Devices menu.
 const char kNtpCollapsedSnapshotDocument[] = "ntp.collapsed_snapshot_document";
 
 // Keeps track of sync promo collapsed state in the Other Devices menu.
 const char kNtpCollapsedSyncPromo[] = "ntp.collapsed_sync_promo";
+
+// Tracks how many notifications the user has ignored, so we can tell when we
+// should stop showing them.
+const char kContentSuggestionsConsecutiveIgnoredPrefName[] =
+    "ntp.content_suggestions.notifications.consecutive_ignored";
 #endif  // defined(OS_ANDROID)
 
 // Which page should be visible on the new tab page v4
 const char kNtpShownPage[] = "ntp.shown_page";
 
 // A private RSA key for ADB handshake.
 const char kDevToolsAdbKey[] = "devtools.adb_key";
 
 const char kDevToolsDisabled[] = "devtools.disabled";
 
@@ skipping 795 matching lines @@
 const char kSearchGeolocationPreDisclosureMetricsRecorded[] =
     "search_geolocation_pre_disclosure_metrics_recorded";
 
 // Whether the metrics for the state of geolocation post-disclosure being shown
 // have been recorded.
 const char kSearchGeolocationPostDisclosureMetricsRecorded[] =
     "search_geolocation_post_disclosure_metrics_recorded";
 #endif
 
 }  // namespace prefs