Delete dead code for CurrentlyOpenTabs

chrome/browser/android/ntp/new_tab_page_prefs.cc

 // Copyright 2013 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/browser/android/ntp/new_tab_page_prefs.h"
 
 #include <jni.h>
 
 #include "base/android/jni_string.h"
 #include "chrome/browser/profiles/profile_android.h"
@@ skipping 18 matching lines @@
   : profile_(profile) {
 }
 
 void NewTabPagePrefs::Destroy(JNIEnv* env, const JavaParamRef<jobject>& obj) {
   delete this;
 }
 
 NewTabPagePrefs::~NewTabPagePrefs() {
 }
 
-jboolean NewTabPagePrefs::GetCurrentlyOpenTabsCollapsed(
-    JNIEnv* env,
-    const JavaParamRef<jobject>& obj) {
-  PrefService* prefs = profile_->GetPrefs();
-  return prefs->GetBoolean(prefs::kNtpCollapsedCurrentlyOpenTabs);
-}
-
-void NewTabPagePrefs::SetCurrentlyOpenTabsCollapsed(
-    JNIEnv* env,
-    const JavaParamRef<jobject>& obj,
-    jboolean is_collapsed) {
-  PrefService* prefs = profile_->GetPrefs();
-  prefs->SetBoolean(prefs::kNtpCollapsedCurrentlyOpenTabs, is_collapsed);
-}
-
 jboolean NewTabPagePrefs::GetSnapshotDocumentCollapsed(
     JNIEnv* env,
     const JavaParamRef<jobject>& obj) {
   return profile_->GetPrefs()->GetBoolean(prefs::kNtpCollapsedSnapshotDocument);
 }
 
 void NewTabPagePrefs::SetSnapshotDocumentCollapsed(
     JNIEnv* env,
     const JavaParamRef<jobject>& obj,
     jboolean is_collapsed) {
@@ skipping 49 matching lines @@
   DictionaryPrefUpdate update(prefs, prefs::kNtpCollapsedForeignSessions);
   if (is_collapsed)
     update.Get()->SetBoolean(ConvertJavaStringToUTF8(env, session_tag), true);
   else
     update.Get()->Remove(ConvertJavaStringToUTF8(env, session_tag), NULL);
 }
 
 // static
 void NewTabPagePrefs::RegisterProfilePrefs(
     user_prefs::PrefRegistrySyncable* registry) {
-  registry->RegisterBooleanPref(prefs::kNtpCollapsedCurrentlyOpenTabs, false);
   registry->RegisterBooleanPref(prefs::kNtpCollapsedSnapshotDocument, false);
   registry->RegisterBooleanPref(prefs::kNtpCollapsedRecentlyClosedTabs, false);
   registry->RegisterBooleanPref(prefs::kNtpCollapsedSyncPromo, false);
   registry->RegisterDictionaryPref(prefs::kNtpCollapsedForeignSessions);
 }
 
 // static
 bool NewTabPagePrefs::RegisterNewTabPagePrefs(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }