[Android] Simplify "network predictions" preference to a boolean value.

chrome/android/java/src/org/chromium/chrome/browser/preferences/NetworkPredictionOptions.java

Index: chrome/android/java/src/org/chromium/chrome/browser/preferences/NetworkPredictionOptions.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/preferences/NetworkPredictionOptions.java b/chrome/android/java/src/org/chromium/chrome/browser/preferences/NetworkPredictionOptions.java
deleted file mode 100644
index fc8b585ace11cc68813f9bc7729e81fc6181373a..0000000000000000000000000000000000000000
--- a/chrome/android/java/src/org/chromium/chrome/browser/preferences/NetworkPredictionOptions.java
+++ /dev/null
@@ -1,77 +0,0 @@
-// Copyright 2014 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.preferences;
-
-import org.chromium.chrome.R;
-
-import java.util.Locale;
-
-/**
- * Bandwidth options available based on network.
- */
-public enum NetworkPredictionOptions {
-    NETWORK_PREDICTION_ALWAYS,
-    NETWORK_PREDICTION_WIFI_ONLY,
-    NETWORK_PREDICTION_NEVER;
-
-    public static final NetworkPredictionOptions DEFAULT = NETWORK_PREDICTION_WIFI_ONLY;
-
-    /**
-     * @return The number of choices offered for the user.
-     */
-    public static int choiceCount() {
-        return values().length;
-    }
-
-    /**
-     * Fetch the display title for the preference.
-     * @return resource for the title.
-     */
-    public int getDisplayTitle() {
-        switch(this) {
-            case NETWORK_PREDICTION_ALWAYS:
-                return R.string.always_prefetch_bandwidth_entry;
-            case NETWORK_PREDICTION_WIFI_ONLY :
-                return R.string.wifi_prefetch_bandwidth_entry;
-            case NETWORK_PREDICTION_NEVER:
-                return R.string.never_prefetch_bandwidth_entry;
-            default:
-                assert false;
-                return 0;
-        }
-    }
-
-    /**
-     * Convert an integer to enum NetworkPredictionOptions.
-     * @return NetworkPredictionOptions instance.
-     */
-    public static NetworkPredictionOptions intToEnum(int index) {
-        return NetworkPredictionOptions.values()[index];
-    }
-
-    /**
-     * Convert an enum NetworkPredictionOptions to integer.
-     * @return Integer corresponding to NetworkPredictionOptions instance.
-     */
-    public int enumToInt() {
-        return ordinal();
-    }
-
-    /**
-     * Convert an string to enum NetworkPredictionOptions.
-     * @return NetworkPredictionOptions instance.
-     */
-    public static NetworkPredictionOptions stringToEnum(String name) {
-        return valueOf(name.toUpperCase(Locale.US));
-    }
-
-    /**
-     * Convert an enum NetworkPredictionOptions to String.
-     * @return String corresponding to NetworkPredictionOptions instance.
-     */
-    public String enumToString() {
-        return name().toLowerCase(Locale.US);
-    }
-}