🍰 Migrate app shared preferences to ContextUtils.

chrome/android/java/src/org/chromium/chrome/browser/bookmarks/BookmarkSearchView.java

Index: chrome/android/java/src/org/chromium/chrome/browser/bookmarks/BookmarkSearchView.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/bookmarks/BookmarkSearchView.java b/chrome/android/java/src/org/chromium/chrome/browser/bookmarks/BookmarkSearchView.java
index fd1dfbf9925dcd661e202924d5f0d3bf9d3812d6..f6c1a44d763810b8e533b27a56819ad84ec4aa22 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/bookmarks/BookmarkSearchView.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/bookmarks/BookmarkSearchView.java
@@ -6,7 +6,6 @@ package org.chromium.chrome.browser.bookmarks;
 
 import android.content.Context;
 import android.os.Parcelable;
-import android.preference.PreferenceManager;
 import android.support.v7.widget.Toolbar;
 import android.text.Editable;
 import android.text.TextUtils;
@@ -30,6 +29,7 @@ import android.widget.TextView.OnEditorActionListener;
 import android.widget.ViewSwitcher;
 
 import org.chromium.base.ApiCompatibilityUtils;
+import org.chromium.base.ContextUtils;
 import org.chromium.chrome.R;
 import org.chromium.chrome.browser.bookmarks.BookmarkBridge.BookmarkItem;
 import org.chromium.chrome.browser.bookmarks.BookmarkBridge.BookmarkModelObserver;
@@ -302,13 +302,13 @@ public class BookmarkSearchView extends LinearLayout implements OnItemClickListe
 
     private void saveHistoryList(List<String> history) {
         JSONArray jsonArray = new JSONArray(history);
-        PreferenceManager.getDefaultSharedPreferences(getContext()).edit()
+        ContextUtils.getAppSharedPreferences().edit()
                 .putString(PREF_SEARCH_HISTORY, jsonArray.toString()).apply();
     }
 
     private List<String> readHistoryList() {
         try {
-            String unformatted = PreferenceManager.getDefaultSharedPreferences(getContext())
+            String unformatted = ContextUtils.getAppSharedPreferences()
                     .getString(PREF_SEARCH_HISTORY, "[]");
             JSONArray jsonArray = new JSONArray(unformatted);
             ArrayList<String> result = new ArrayList<String>();