Upstream save passwords and search engine preferences.

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

Index: chrome/android/java/src/org/chromium/chrome/browser/preferences/SearchEnginePreference.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/preferences/SearchEnginePreference.java b/chrome/android/java/src/org/chromium/chrome/browser/preferences/SearchEnginePreference.java
new file mode 100644
index 0000000000000000000000000000000000000000..1c26ec55d18d8ab21d6e0caab5f63778d49731e6
--- /dev/null
+++ b/chrome/android/java/src/org/chromium/chrome/browser/preferences/SearchEnginePreference.java
@@ -0,0 +1,107 @@
+// 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 android.content.Context;
+import android.content.res.Resources;
+import android.preference.Preference;
+import android.preference.Preference.OnPreferenceChangeListener;
+import android.util.AttributeSet;
+
+import org.chromium.chrome.R;
+import org.chromium.chrome.browser.search_engines.TemplateUrlService;
+import org.chromium.chrome.browser.search_engines.TemplateUrlService.LoadListener;
+import org.chromium.chrome.browser.search_engines.TemplateUrlService.TemplateUrl;
+
+import java.util.List;
+
+/**
+ * Preference that allows the user to choose a search engine.
+ */
+public class SearchEnginePreference extends ChromeBaseListPreference implements LoadListener,
+        OnPreferenceChangeListener {
+
+    static final String PREF_SEARCH_ENGINE = "search_engine";
+
+    /**
+     * Constructor for inflating from XML.
+     */
+    public SearchEnginePreference(Context context, AttributeSet attrs) {
+        super(context, attrs);
+
+        setPersistent(false);
+        initEntries();
+
+        setManagedPreferenceDelegate(new ManagedPreferenceDelegate() {
+            @Override
+            public boolean isPreferenceControlledByPolicy(Preference preference) {
+                return TemplateUrlService.getInstance().isSearchProviderManaged();
+            }
+        });
+    }
+
+    /**
+     * @return The name of the search engine followed by the domain, e.g. "Google (google.co.uk)".
+     */
+    private static String getSearchEngineNameAndDomain(Resources res, TemplateUrl searchEngine) {
+        String title = searchEngine.getShortName();
+        if (!searchEngine.getKeyword().isEmpty()) {
+            title = res.getString(R.string.search_engine_name_and_domain, title,
+                    searchEngine.getKeyword());
+        }
+        return title;
+    }
+
+    private void initEntries() {
+        TemplateUrlService templateUrlService = TemplateUrlService.getInstance();
+        if (!templateUrlService.isLoaded()) {
+            setEnabled(false);
+            templateUrlService.registerLoadListener(this);
+            templateUrlService.load();
+            return;
+        }
+
+        List<TemplateUrl> searchEngines = templateUrlService.getLocalizedSearchEngines();
+        int currentSearchEngineIndex = templateUrlService.getDefaultSearchEngineIndex();
+
+        Resources resources = getContext().getResources();
+        CharSequence[] entries = new CharSequence[searchEngines.size()];
+        CharSequence[] entryValues = new CharSequence[searchEngines.size()];
+        for (int i = 0; i < entries.length; i++) {
+            TemplateUrl templateUrl = searchEngines.get(i);
+            entries[i] = getSearchEngineNameAndDomain(resources, templateUrl);
+            entryValues[i] = Integer.toString(templateUrl.getIndex());
+        }
+
+        setEntries(entries);
+        setEntryValues(entryValues);
+        setValueIndex(currentSearchEngineIndex);
+        setOnPreferenceChangeListener(this);
+    }
+
+    @Override
+    public CharSequence getSummary() {
+        // Show the currently selected value as the summary.
+        return getEntry();
+    }
+
+    // OnPreferenceChangeListener
+
+    @Override
+    public boolean onPreferenceChange(Preference preference, Object newValue) {
+        int newSearchEngineIndex = Integer.parseInt((String) newValue);
+        TemplateUrlService.getInstance().setSearchEngine(newSearchEngineIndex);
+        return true;
+    }
+
+    // TemplateUrlService.LoadListener
+
+    @Override
+    public void onTemplateUrlServiceLoaded() {
+        TemplateUrlService.getInstance().unregisterLoadListener(this);
+        setEnabled(true);
+        initEntries();
+    }
+}