[Android] Persist ordering of NTP suggestions.

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 1471 matching lines @@
 // 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";
 #endif
 
 // Which page should be visible on the new tab page v4
 const char kNtpShownPage[] = "ntp.shown_page";
 
+#if defined(OS_ANDROID)
+// Ordered list of website suggestions shown on the new tab page that will allow
+// retaining the order even if the suggestions change over time.
+const char kNTPSuggestionsURL[] = "ntp.suggestions_url";
+
+// The source of the above suggestions.
+const char kNTPSuggestionsSource[] = "ntp.suggestions_source";

[Marc Treib, 2015/09/07 11:13:00]

This is actually a list of bools, so what does "source" mean? Maybe call it
"is_personal" or something?

[knn, 2015/09/08 10:48:56]

Done.

+#endif
+
 // A private RSA key for ADB handshake.
 const char kDevToolsAdbKey[] = "devtools.adb_key";
 
 const char kDevToolsDisabled[] = "devtools.disabled";
 
 // Determines whether devtools should be discovering usb devices for
 // remote debugging at chrome://inspect.
 const char kDevToolsDiscoverUsbDevicesEnabled[] =
     "devtools.discover_usb_devices";
 
@@ skipping 711 matching lines @@
     "supervised_users.whitelists";
 
 #if defined(ENABLE_EXTENSIONS)
 // Policy that indicates how to handle animated images.
 const char kAnimationPolicy[] = "settings.a11y.animation_policy";
 #endif
 
 const char kBackgroundTracingLastUpload[] = "background_tracing.last_upload";
 
 }  // namespace prefs