[Offline pages] Removing offline pages from Bookmarks UI

chrome/android/java/src/org/chromium/chrome/browser/offlinepages/OfflinePageBridge.java

 // Copyright 2015 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.
 
 package org.chromium.chrome.browser.offlinepages;
 
 import android.os.AsyncTask;
 
 import org.chromium.base.ObserverList;
 import org.chromium.base.ThreadUtils;
@@ skipping 167 matching lines @@
 
     /**
      * Called by the native OfflinePageBridge so that it can cache the new Java OfflinePageBridge.
      */
     @CalledByNative
     private static OfflinePageBridge create(long nativeOfflinePageBridge) {
         return new OfflinePageBridge(nativeOfflinePageBridge);
     }
 
     /**
-     * @return The mode of the offline pages feature. Uses
-     *     {@see org.chromium.components.offlinepages.FeatureMode} enum.
-     */
-    public static int getFeatureMode() {
-        ThreadUtils.assertOnUiThread();
-        if (sFeatureMode == null) sFeatureMode = nativeGetFeatureMode();
-        return sFeatureMode;
-    }
-
-    /**
      * @return True if the offline pages feature is enabled, regardless whether bookmark or saved
      *     page shown in UI strings.
      */
     public static boolean isEnabled() {
         ThreadUtils.assertOnUiThread();
-        return getFeatureMode() != FeatureMode.DISABLED;
+        return nativeGetFeatureMode() != FeatureMode.DISABLED;
     }
 
     /**
      * @return True if the offline pages feature is enabled, regardless whether bookmark or saved
      *     page shown in UI strings.
      */
     @VisibleForTesting
     public static boolean isBackgroundLoadingEnabled() {
         return ChromeFeatureList.isEnabled(OFFLINE_PAGES_BACKGROUND_LOADING_FEATURE_NAME);
     }
@@ skipping 457 matching lines @@
     private native void nativeDeletePages(
             long nativeOfflinePageBridge, DeletePageCallback callback, long[] offlineIds);
     private native void nativeGetPagesToCleanUp(
             long nativeOfflinePageBridge, List<OfflinePageItem> offlinePages);
     private native void nativeCheckMetadataConsistency(long nativeOfflinePageBridge);
     private native String nativeGetOfflineUrlForOnlineUrl(
             long nativeOfflinePageBridge, String onlineUrl);
     private native void nativeRecordStorageHistograms(long nativeOfflinePageBridge,
             long totalSpaceInBytes, long freeSpaceInBytes, boolean reportingAfterDelete);
 }