Upstream privacy settings.

chrome/android/java/src/org/chromium/chrome/browser/preferences/privacy/DoNotTrackPreference.java

Index: chrome/android/java/src/org/chromium/chrome/browser/preferences/privacy/DoNotTrackPreference.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/preferences/privacy/DoNotTrackPreference.java b/chrome/android/java/src/org/chromium/chrome/browser/preferences/privacy/DoNotTrackPreference.java
new file mode 100644
index 0000000000000000000000000000000000000000..f75620afc45db9ebc67052ce0bff06dfbaf7a376
--- /dev/null
+++ b/chrome/android/java/src/org/chromium/chrome/browser/preferences/privacy/DoNotTrackPreference.java
@@ -0,0 +1,43 @@
+// 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.preferences.privacy;
+
+import android.os.Bundle;
+import android.preference.Preference;
+import android.preference.Preference.OnPreferenceChangeListener;
+import android.preference.PreferenceFragment;
+
+import org.chromium.chrome.R;
+import org.chromium.chrome.browser.preferences.ChromeSwitchPreference;
+import org.chromium.chrome.browser.preferences.PrefServiceBridge;
+
+/**
+ * Fragment to manage 'Do Not Track' preference and to explain to the user what it does.
+ */
+public class DoNotTrackPreference extends PreferenceFragment {
+
+    private static final String PREF_DO_NOT_TRACK_SWITCH = "do_not_track_switch";
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        addPreferencesFromResource(R.xml.do_not_track_preferences);
+        getActivity().setTitle(R.string.do_not_track_title);
+
+        ChromeSwitchPreference doNotTrackSwitch =
+                (ChromeSwitchPreference) findPreference(PREF_DO_NOT_TRACK_SWITCH);
+
+        boolean isDoNotTrackEnabled = PrefServiceBridge.getInstance().isDoNotTrackEnabled();
+        doNotTrackSwitch.setChecked(isDoNotTrackEnabled);
+
+        doNotTrackSwitch.setOnPreferenceChangeListener(new OnPreferenceChangeListener() {
+            @Override
+            public boolean onPreferenceChange(Preference preference, Object newValue) {
+                PrefServiceBridge.getInstance().setDoNotTrackEnabled((boolean) newValue);
+                return true;
+            }
+        });
+    }
+}