[Sync] Initial implementation of foreign sessions suggestions provider.

chrome/browser/prefs/browser_prefs.cc

Index: chrome/browser/prefs/browser_prefs.cc
diff --git a/chrome/browser/prefs/browser_prefs.cc b/chrome/browser/prefs/browser_prefs.cc
index c3d1343e23acd082cb2cb20245647e5d065a29b7..464829f5a3f655ecbb3f9ac56a41244492c0890d 100644
--- a/chrome/browser/prefs/browser_prefs.cc
+++ b/chrome/browser/prefs/browser_prefs.cc
@@ -208,6 +208,7 @@
 #if defined(OS_ANDROID)
 #include "chrome/browser/notifications/notification_platform_bridge_android.h"
 #include "components/ntp_snippets/offline_pages/offline_page_suggestions_provider.h"
+#include "components/ntp_snippets/sessions/foreign_sessions_suggestions_provider.h"
 #endif
 
 #if defined(OS_CHROMEOS) && defined(ENABLE_APP_LIST)
@@ -558,6 +559,8 @@ void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry) {
 
 #if defined(OS_ANDROID)
   NotificationPlatformBridgeAndroid::RegisterProfilePrefs(registry);
+  ntp_snippets::ForeignSessionsSuggestionsProvider::RegisterProfilePrefs(
+      registry);

[Marc Treib, 2016/08/29 09:18:50]

Is any of this really Android-specific? If not, please put it outside the
#ifdef. (We only have UI for Android right now, but we do plan to support other
platforms soon-ish, specifically iOS.)

[skym, 2016/09/15 23:18:16]

Done.

   ntp_snippets::OfflinePageSuggestionsProvider::RegisterProfilePrefs(registry);
 #else
   browser_sync::ForeignSessionHandler::RegisterProfilePrefs(registry);