Add prefs for collapsed currently open tabs group in new tab page

chrome/browser/android/new_tab_page_prefs.cc

Index: chrome/browser/android/new_tab_page_prefs.cc
diff --git a/chrome/browser/android/new_tab_page_prefs.cc b/chrome/browser/android/new_tab_page_prefs.cc
index 0358fb0d2010fdfb8183044bcd52dc5c4d061df5..509dfb332cad93f84ac1817cfb5a8ba72db741a1 100644
--- a/chrome/browser/android/new_tab_page_prefs.cc
+++ b/chrome/browser/android/new_tab_page_prefs.cc
@@ -33,6 +33,19 @@ void NewTabPagePrefs::Destroy(JNIEnv* env, jobject obj) {
 NewTabPagePrefs::~NewTabPagePrefs() {
 }
 
+jboolean NewTabPagePrefs::GetCurrentlyOpenTabsCollapsed(JNIEnv* env,
+                                                       jobject obj) {
+  PrefService* prefs = profile_->GetPrefs();
+  return prefs->GetBoolean(prefs::kNtpCollapsedCurrentlyOpenTabs);
+}
+
+void NewTabPagePrefs::SetCurrentlyOpenTabsCollapsed(JNIEnv* env,
+                                                   jobject obj,
+                                                   jboolean is_collapsed) {
+  PrefService* prefs = profile_->GetPrefs();
+  prefs->SetBoolean(prefs::kNtpCollapsedCurrentlyOpenTabs, is_collapsed);
+}
+
 jboolean NewTabPagePrefs::GetSnapshotDocumentCollapsed(JNIEnv* env,
                                                        jobject obj) {
   return profile_->GetPrefs()->GetBoolean(prefs::kNtpCollapsedSnapshotDocument);