Rename NotificationUIManager to NotificationPlatformBridge (1/2)

chrome/android/java/src/org/chromium/chrome/browser/notifications/NotificationUIManager.java

Index: chrome/android/java/src/org/chromium/chrome/browser/notifications/NotificationUIManager.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/notifications/NotificationUIManager.java b/chrome/android/java/src/org/chromium/chrome/browser/notifications/NotificationUIManager.java
deleted file mode 100644
index 7d61b3b69cf65cb46bd96448a5bd4c5979594622..0000000000000000000000000000000000000000
--- a/chrome/android/java/src/org/chromium/chrome/browser/notifications/NotificationUIManager.java
+++ /dev/null
@@ -1,695 +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.notifications;
-
-import android.app.Notification;
-import android.app.NotificationManager;
-import android.app.PendingIntent;
-import android.content.Context;
-import android.content.Intent;
-import android.content.res.Resources;
-import android.graphics.Bitmap;
-import android.net.Uri;
-import android.os.Build;
-import android.os.Bundle;
-import android.os.StrictMode;
-import android.os.SystemClock;
-import android.text.Spannable;
-import android.text.SpannableStringBuilder;
-import android.text.TextUtils;
-import android.text.style.StyleSpan;
-import android.util.Log;
-
-import org.chromium.base.CommandLine;
-import org.chromium.base.VisibleForTesting;
-import org.chromium.base.annotations.CalledByNative;
-import org.chromium.base.library_loader.ProcessInitException;
-import org.chromium.base.metrics.RecordHistogram;
-import org.chromium.base.metrics.RecordUserAction;
-import org.chromium.chrome.R;
-import org.chromium.chrome.browser.ChromeSwitches;
-import org.chromium.chrome.browser.init.ChromeBrowserInitializer;
-import org.chromium.chrome.browser.preferences.Preferences;
-import org.chromium.chrome.browser.preferences.PreferencesLauncher;
-import org.chromium.chrome.browser.preferences.website.SingleCategoryPreferences;
-import org.chromium.chrome.browser.preferences.website.SingleWebsitePreferences;
-import org.chromium.chrome.browser.preferences.website.SiteSettingsCategory;
-import org.chromium.chrome.browser.util.UrlUtilities;
-import org.chromium.chrome.browser.widget.RoundedIconGenerator;
-
-import java.net.URI;
-import java.net.URISyntaxException;
-import java.util.concurrent.TimeUnit;
-
-import javax.annotation.Nullable;
-
-/**
- * Provides the ability for the NotificationUIManagerAndroid to talk to the Android platform
- * notification manager.
- *
- * This class should only be used on the UI thread.
- */
-public class NotificationUIManager {
-    private static final String TAG = NotificationUIManager.class.getSimpleName();
-
-    // We always use the same integer id when showing and closing notifications. The notification
-    // tag is always set, which is a safe and sufficient way of identifying a notification, so the
-    // integer id is not needed anymore except it must not vary in an uncontrolled way.
-    @VisibleForTesting static final int PLATFORM_ID = -1;
-
-    // Prefix for platform tags generated by this class. This allows us to verify when reading a tag
-    // that it was set by us.
-    private static final String PLATFORM_TAG_PREFIX = NotificationUIManager.class.getSimpleName();
-
-    private static final int NOTIFICATION_ICON_BG_COLOR = 0xFF969696;
-    private static final int NOTIFICATION_TEXT_SIZE_DP = 28;
-
-    // We always use the same request code for pending intents. We use other ways to force
-    // uniqueness of pending intents when necessary.
-    private static final int PENDING_INTENT_REQUEST_CODE = 0;
-
-    private static NotificationUIManager sInstance;
-    private static NotificationManagerProxy sNotificationManagerOverride;
-
-    private final long mNativeNotificationManager;
-
-    private final Context mAppContext;
-    private final NotificationManagerProxy mNotificationManager;
-
-    @VisibleForTesting public RoundedIconGenerator mIconGenerator;
-    private final int mLargeIconWidthPx;
-    private final int mLargeIconHeightPx;
-    private final float mDensity;
-
-    private long mLastNotificationClickMs = 0L;
-
-    /**
-     * Creates a new instance of the NotificationUIManager.
-     *
-     * @param nativeNotificationManager Instance of the NotificationUIManagerAndroid class.
-     * @param context Application context for this instance of Chrome.
-     */
-    @CalledByNative
-    private static NotificationUIManager create(long nativeNotificationManager, Context context) {
-        if (sInstance != null) {
-            throw new IllegalStateException(
-                    "There must only be a single NotificationPlatformBridge.");
-        }
-
-        sInstance = new NotificationUIManager(nativeNotificationManager, context);
-        return sInstance;
-    }
-
-    /**
-     * Returns the current instance of the NotificationUIManager.
-     *
-     * @return The instance of the NotificationUIManager, if any.
-     */
-    @Nullable
-    @VisibleForTesting
-    static NotificationUIManager getInstanceForTests() {
-        return sInstance;
-    }
-
-    /**
-     * Overrides the notification manager which is to be used for displaying Notifications on the
-     * Android framework. Should only be used for testing. Tests are expected to clean up after
-     * themselves by setting this to NULL again.
-     *
-     * @param proxy The notification manager instance to use instead of the system's.
-     */
-    @VisibleForTesting
-    public static void overrideNotificationManagerForTesting(
-            NotificationManagerProxy notificationManager) {
-        sNotificationManagerOverride = notificationManager;
-    }
-
-    private NotificationUIManager(long nativeNotificationManager, Context context) {
-        mNativeNotificationManager = nativeNotificationManager;
-        mAppContext = context.getApplicationContext();
-
-        if (sNotificationManagerOverride != null) {
-            mNotificationManager = sNotificationManagerOverride;
-        } else {
-            mNotificationManager = new NotificationManagerProxyImpl(
-                    (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE));
-        }
-
-        Resources resources = mAppContext.getResources();
-
-        mLargeIconWidthPx =
-                resources.getDimensionPixelSize(android.R.dimen.notification_large_icon_width);
-        mLargeIconHeightPx =
-                resources.getDimensionPixelSize(android.R.dimen.notification_large_icon_height);
-        mDensity = resources.getDisplayMetrics().density;
-    }
-
-    /**
-     * Marks the current instance as being freed, allowing for a new NotificationUIManager
-     * object to be initialized.
-     */
-    @CalledByNative
-    private void destroy() {
-        assert sInstance == this;
-        sInstance = null;
-    }
-
-    /**
-     * Invoked by the NotificationService when a Notification intent has been received. There may
-     * not be an active instance of the NotificationUIManager at this time, so inform the native
-     * side through a static method, initializing the manager if needed.
-     *
-     * @param intent The intent as received by the Notification service.
-     * @return Whether the event could be handled by the native Notification manager.
-     */
-    public static boolean dispatchNotificationEvent(Intent intent) {
-        if (sInstance == null) {
-            nativeInitializeNotificationUIManager();
-            if (sInstance == null) {
-                Log.e(TAG, "Unable to initialize the native NotificationUIManager.");
-                return false;
-            }
-        }
-
-        long persistentNotificationId =
-                intent.getLongExtra(NotificationConstants.EXTRA_PERSISTENT_NOTIFICATION_ID, -1);
-        String origin = intent.getStringExtra(NotificationConstants.EXTRA_NOTIFICATION_INFO_ORIGIN);
-        String profileId =
-                intent.getStringExtra(NotificationConstants.EXTRA_NOTIFICATION_INFO_PROFILE_ID);
-        boolean incognito = intent.getBooleanExtra(
-                NotificationConstants.EXTRA_NOTIFICATION_INFO_PROFILE_INCOGNITO, false);
-        String tag = intent.getStringExtra(NotificationConstants.EXTRA_NOTIFICATION_INFO_TAG);
-
-        Log.i(TAG, "Dispatching notification event to native: " + persistentNotificationId);
-
-        if (NotificationConstants.ACTION_CLICK_NOTIFICATION.equals(intent.getAction())) {
-            int actionIndex = intent.getIntExtra(
-                    NotificationConstants.EXTRA_NOTIFICATION_INFO_ACTION_INDEX, -1);
-            sInstance.onNotificationClicked(
-                    persistentNotificationId, origin, profileId, incognito, tag, actionIndex);
-            return true;
-        } else if (NotificationConstants.ACTION_CLOSE_NOTIFICATION.equals(intent.getAction())) {
-            // Notification deleteIntent is executed only "when the notification is explicitly
-            // dismissed by the user, either with the 'Clear All' button or by swiping it away
-            // individually" (though a third-party NotificationListenerService may also trigger it).
-            sInstance.onNotificationClosed(
-                    persistentNotificationId, origin, profileId, incognito, tag, true /* byUser */);
-            return true;
-        }
-
-        Log.e(TAG, "Unrecognized Notification action: " + intent.getAction());
-        return false;
-    }
-
-    /**
-     * Launches the notifications preferences screen. If the received intent indicates it came
-     * from the gear button on a flipped notification, this launches the site specific preferences
-     * screen.
-     *
-     * @param context The context that received the intent.
-     * @param incomingIntent The received intent.
-     */
-    public static void launchNotificationPreferences(Context context, Intent incomingIntent) {
-        // This method handles an intent fired by the Android system. There is no guarantee that the
-        // native library is loaded at this point. The native library is needed for the preferences
-        // activity, and it loads the library, but there are some native calls even before that
-        // activity is started: from RecordUserAction.record and (indirectly) from
-        // UrlUtilities.formatUrlForSecurityDisplay.
-        try {
-            ChromeBrowserInitializer.getInstance(context).handleSynchronousStartup();
-        } catch (ProcessInitException e) {
-            Log.e(TAG, "Failed to start browser process.", e);
-            // The library failed to initialize and nothing in the application can work, so kill
-            // the whole application.
-            System.exit(-1);
-            return;
-        }
-
-        // Use the application context because it lives longer. When using the given context, it
-        // may be stopped before the preferences intent is handled.
-        Context applicationContext = context.getApplicationContext();
-
-        // If we can read an origin from the intent, use it to open the settings screen for that
-        // origin.
-        String origin = getOriginFromTag(
-                incomingIntent.getStringExtra(NotificationConstants.EXTRA_NOTIFICATION_TAG));
-        boolean launchSingleWebsitePreferences = origin != null;
-
-        String fragmentName = launchSingleWebsitePreferences
-                ? SingleWebsitePreferences.class.getName()
-                : SingleCategoryPreferences.class.getName();
-        Intent preferencesIntent =
-                PreferencesLauncher.createIntentForSettingsPage(applicationContext, fragmentName);
-
-        Bundle fragmentArguments;
-        if (launchSingleWebsitePreferences) {
-            // Record that the user has clicked on the [Site Settings] button.
-            RecordUserAction.record("Notifications.ShowSiteSettings");
-
-            // All preferences for a specific origin.
-            fragmentArguments = SingleWebsitePreferences.createFragmentArgsForSite(origin);
-        } else {
-            // Notification preferences for all origins.
-            fragmentArguments = new Bundle();
-            fragmentArguments.putString(SingleCategoryPreferences.EXTRA_CATEGORY,
-                    SiteSettingsCategory.CATEGORY_NOTIFICATIONS);
-            fragmentArguments.putString(SingleCategoryPreferences.EXTRA_TITLE,
-                    applicationContext.getResources().getString(
-                            R.string.push_notifications_permission_title));
-        }
-        preferencesIntent.putExtra(Preferences.EXTRA_SHOW_FRAGMENT_ARGUMENTS, fragmentArguments);
-
-        // We need to ensure that no existing preference tasks are being re-used in order for the
-        // new activity to appear on top.
-        preferencesIntent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK);
-
-        applicationContext.startActivity(preferencesIntent);
-    }
-
-    /**
-     * Returns a bogus Uri used to make each intent unique according to Intent#filterEquals.
-     * Without this, the pending intents derived from the intent may be reused, because extras are
-     * not taken into account for the filterEquals comparison.
-     *
-     * @param persistentNotificationId The persistent id of the notification.
-     * @param origin The origin to whom the notification belongs.
-     * @param actionIndex The zero-based index of the action button, or -1 if not applicable.
-     */
-    private Uri makeIntentData(long persistentNotificationId, String origin, int actionIndex) {
-        return Uri.parse(origin).buildUpon().fragment(
-                persistentNotificationId + "," + actionIndex).build();
-    }
-
-    /**
-     * Returns the PendingIntent for completing |action| on the notification identified by the data
-     * in the other parameters.
-     *
-     * @param action The action this pending intent will represent.
-     * @param persistentNotificationId The persistent id of the notification.
-     * @param origin The origin to whom the notification belongs.
-     * @param tag The tag of the notification. May be NULL.
-     * @param actionIndex The zero-based index of the action button, or -1 if not applicable.
-     */
-    private PendingIntent makePendingIntent(String action, long persistentNotificationId,
-            String origin, String profileId, boolean incognito, @Nullable String tag,
-            int actionIndex) {
-        Uri intentData = makeIntentData(persistentNotificationId, origin, actionIndex);
-        Intent intent = new Intent(action, intentData);
-        intent.setClass(mAppContext, NotificationService.Receiver.class);
-
-        intent.putExtra(NotificationConstants.EXTRA_PERSISTENT_NOTIFICATION_ID,
-                persistentNotificationId);
-        intent.putExtra(NotificationConstants.EXTRA_NOTIFICATION_INFO_ORIGIN, origin);
-        intent.putExtra(NotificationConstants.EXTRA_NOTIFICATION_INFO_PROFILE_ID, profileId);
-        intent.putExtra(NotificationConstants.EXTRA_NOTIFICATION_INFO_PROFILE_INCOGNITO, incognito);
-        intent.putExtra(NotificationConstants.EXTRA_NOTIFICATION_INFO_TAG, tag);
-        intent.putExtra(NotificationConstants.EXTRA_NOTIFICATION_INFO_ACTION_INDEX, actionIndex);
-
-        return PendingIntent.getBroadcast(mAppContext, PENDING_INTENT_REQUEST_CODE, intent,
-                PendingIntent.FLAG_UPDATE_CURRENT);
-    }
-
-    /**
-     * Generates the tag to be passed to the notification manager.
-     *
-     * If the generated tag is the same as that of a previous notification, a new notification shown
-     * with this tag will replace it.
-     *
-     * If the input tag is not empty the output is: PREFIX + SEPARATOR + ORIGIN + SEPARATOR + TAG.
-     * This output will be the same for notifications from the same origin that have the same input
-     * tag.
-     *
-     * If the input tag is empty the output is PREFIX + SEPARATOR + ORIGIN + SEPARATOR +
-     * NOTIFICATION_ID.
-     *
-     * @param persistentNotificationId The persistent id of the notification.
-     * @param origin The origin for which the notification is shown.
-     * @param tag A string identifier for this notification.
-     * @return The generated platform tag.
-     */
-    @VisibleForTesting
-    static String makePlatformTag(
-            long persistentNotificationId, String origin, @Nullable String tag) {
-        // The given tag may contain the separator character, so add it last to make reading the
-        // preceding origin token reliable. If no tag was specified (it is the default empty
-        // string), make the platform tag unique by appending the notification id.
-        StringBuilder builder = new StringBuilder();
-        builder.append(PLATFORM_TAG_PREFIX)
-                .append(NotificationConstants.NOTIFICATION_TAG_SEPARATOR)
-                .append(origin)
-                .append(NotificationConstants.NOTIFICATION_TAG_SEPARATOR);
-
-        if (TextUtils.isEmpty(tag)) {
-            builder.append(persistentNotificationId);
-        } else {
-            builder.append(tag);
-        }
-
-        return builder.toString();
-    }
-
-    /**
-     * Attempts to extract an origin from the tag extra in the given intent.
-     *
-     * See {@link #makePlatformTag} for details about the format of the tag.
-     *
-     * @param tag The tag from the intent extra. May be null.
-     * @return The origin string. Returns null if there was no tag extra in the given intent, or if
-     *         the tag value did not match the expected format.
-     */
-    @Nullable
-    @VisibleForTesting
-    static String getOriginFromTag(@Nullable String tag) {
-        // If the user touched the settings cog on a flipped notification originating from this
-        // class, there will be a notification tag extra in a specific format. From the tag we can
-        // read the origin of the notification.
-        if (tag == null || !tag.startsWith(PLATFORM_TAG_PREFIX)) return null;
-
-        String[] parts = tag.split(NotificationConstants.NOTIFICATION_TAG_SEPARATOR);
-        assert parts.length >= 3;
-        try {
-            URI uri = new URI(parts[1]);
-            if (uri.getHost() != null) return parts[1];
-        } catch (URISyntaxException e) {
-            Log.e(TAG, "Expected to find a valid url in the notification tag extra.", e);
-            return null;
-        }
-        return null;
-    }
-
-    /**
-     * Generates the notfiication defaults from vibrationPattern's size and silent.
-     *
-     * Use the system's default ringtone, vibration and indicator lights unless the notification
-     * has been marked as being silent.
-     * If a vibration pattern is set, the notification should use the provided pattern
-     * rather than the defaulting to system settings.
-     *
-     * @param vibrationPatternLength Vibration pattern's size for the Notification.
-     * @param silent Whether the default sound, vibration and lights should be suppressed.
-     * @return The generated notification's default value.
-    */
-    @VisibleForTesting
-    static int makeDefaults(int vibrationPatternLength, boolean silent) {
-        assert !silent || vibrationPatternLength == 0;
-
-        if (silent) return 0;
-
-        int defaults = Notification.DEFAULT_ALL;
-        if (vibrationPatternLength > 0) {
-            defaults &= ~Notification.DEFAULT_VIBRATE;
-        }
-        return defaults;
-    }
-
-    /**
-     * Generates the vibration pattern used in Android notification.
-     *
-     * Android takes a long array where the first entry indicates the number of milliseconds to wait
-     * prior to starting the vibration, whereas Chrome follows the syntax of the Web Vibration API.
-     *
-     * @param vibrationPattern Vibration pattern following the Web Vibration API syntax.
-     * @return Vibration pattern following the Android syntax.
-    */
-    @VisibleForTesting
-    static long[] makeVibrationPattern(int[] vibrationPattern) {
-        long[] pattern = new long[vibrationPattern.length + 1];
-        for (int i = 0; i < vibrationPattern.length; ++i) {
-            pattern[i + 1] = vibrationPattern[i];
-        }
-        return pattern;
-    }
-
-    /**
-     * Displays a notification with the given details.
-     *
-     * @param persistentNotificationId The persistent id of the notification.
-     * @param origin Full text of the origin, including the protocol, owning this notification.
-     * @param profileId Id of the profile that showed the notification.
-     * @param incognito if the session of the profile is an off the record one.
-     * @param tag A string identifier for this notification. If the tag is not empty, the new
-     *            notification will replace the previous notification with the same tag and origin,
-     *            if present. If no matching previous notification is present, the new one will just
-     *            be added.
-     * @param title Title to be displayed in the notification.
-     * @param body Message to be displayed in the notification. Will be trimmed to one line of
-     *             text by the Android notification system.
-     * @param icon Icon to be displayed in the notification. Valid Bitmap icons will be scaled to
-     *             the platforms, whereas a default icon will be generated for invalid Bitmaps.
-     * @param badge An image to represent the notification in the status bar. It is also displayed
-     *              inside the notification.
-     * @param vibrationPattern Vibration pattern following the Web Vibration syntax.
-     * @param timestamp The timestamp of the event for which the notification is being shown.
-     * @param renotify Whether the sound, vibration, and lights should be replayed if the
-     *                 notification is replacing another notification.
-     * @param silent Whether the default sound, vibration and lights should be suppressed.
-     * @param actionTitles Titles of actions to display alongside the notification.
-     * @param actionIcons Icons of actions to display alongside the notification.
-     * @see https://developer.android.com/reference/android/app/Notification.html
-     */
-    @CalledByNative
-    private void displayNotification(long persistentNotificationId, String origin, String profileId,
-            boolean incognito, String tag, String title, String body, Bitmap icon, Bitmap badge,
-            int[] vibrationPattern, long timestamp, boolean renotify, boolean silent,
-            String[] actionTitles, Bitmap[] actionIcons) {
-        if (actionTitles.length != actionIcons.length) {
-            throw new IllegalArgumentException("The number of action titles and icons must match.");
-        }
-
-        Resources res = mAppContext.getResources();
-
-        // Record whether it's known whether notifications can be shown to the user at all.
-        RecordHistogram.recordEnumeratedHistogram(
-                "Notifications.AppNotificationStatus",
-                NotificationSystemStatusUtil.determineAppNotificationStatus(mAppContext),
-                NotificationSystemStatusUtil.APP_NOTIFICATIONS_STATUS_BOUNDARY);
-
-        // Set up a pending intent for going to the settings screen for |origin|.
-        Intent settingsIntent = PreferencesLauncher.createIntentForSettingsPage(
-                mAppContext, SingleWebsitePreferences.class.getName());
-        settingsIntent.setData(
-                makeIntentData(persistentNotificationId, origin, -1 /* actionIndex */));
-        settingsIntent.putExtra(Preferences.EXTRA_SHOW_FRAGMENT_ARGUMENTS,
-                SingleWebsitePreferences.createFragmentArgsForSite(origin));
-
-        PendingIntent pendingSettingsIntent = PendingIntent.getActivity(mAppContext,
-                PENDING_INTENT_REQUEST_CODE, settingsIntent, PendingIntent.FLAG_UPDATE_CURRENT);
-
-        PendingIntent clickIntent = makePendingIntent(
-                NotificationConstants.ACTION_CLICK_NOTIFICATION, persistentNotificationId, origin,
-                profileId, incognito, tag, -1 /* actionIndex */);
-        PendingIntent closeIntent = makePendingIntent(
-                NotificationConstants.ACTION_CLOSE_NOTIFICATION, persistentNotificationId, origin,
-                profileId, incognito, tag, -1 /* actionIndex */);
-
-        NotificationBuilderBase notificationBuilder =
-                createNotificationBuilder()
-                        .setTitle(title)
-                        .setBody(body)
-                        .setLargeIcon(ensureNormalizedIcon(icon, origin))
-                        .setSmallIcon(R.drawable.ic_chrome)
-                        .setSmallIcon(badge)
-                        .setContentIntent(clickIntent)
-                        .setDeleteIntent(closeIntent)
-                        .setTicker(createTickerText(title, body))
-                        .setTimestamp(timestamp)
-                        .setRenotify(renotify)
-                        .setOrigin(UrlUtilities.formatUrlForSecurityDisplay(
-                                origin, false /* showScheme */));
-
-        for (int actionIndex = 0; actionIndex < actionTitles.length; actionIndex++) {
-            notificationBuilder.addAction(actionIcons[actionIndex], actionTitles[actionIndex],
-                    makePendingIntent(NotificationConstants.ACTION_CLICK_NOTIFICATION,
-                                                  persistentNotificationId, origin, profileId,
-                                                  incognito, tag, actionIndex));
-        }
-
-        // If action buttons are displayed, there isn't room for the full Site Settings button
-        // label and icon, so abbreviate it. This has the unfortunate side-effect of unnecessarily
-        // abbreviating it on Android Wear also (crbug.com/576656). If custom layouts are enabled,
-        // the label and icon provided here only affect Android Wear, so don't abbreviate them.
-        boolean abbreviateSiteSettings = actionTitles.length > 0 && !useCustomLayouts();
-        int settingsIconId = abbreviateSiteSettings ? 0 : R.drawable.settings_cog;
-        CharSequence settingsTitle = abbreviateSiteSettings
-                                     ? res.getString(R.string.notification_site_settings_button)
-                                     : res.getString(R.string.page_info_site_settings_button);
-        // If the settings button is displayed together with the other buttons it has to be the last
-        // one, so add it after the other actions.
-        notificationBuilder.addSettingsAction(settingsIconId, settingsTitle, pendingSettingsIntent);
-
-        notificationBuilder.setDefaults(makeDefaults(vibrationPattern.length, silent));
-        if (vibrationPattern.length > 0) {
-            notificationBuilder.setVibrate(makeVibrationPattern(vibrationPattern));
-        }
-
-        String platformTag = makePlatformTag(persistentNotificationId, origin, tag);
-        // Temporarily allowing disk access. TODO: Fix. See http://crbug.com/577185
-        StrictMode.ThreadPolicy oldPolicy = StrictMode.allowThreadDiskReads();
-        StrictMode.allowThreadDiskWrites();
-        try {
-            long time = SystemClock.elapsedRealtime();
-            mNotificationManager.notify(platformTag, PLATFORM_ID, notificationBuilder.build());
-            RecordHistogram.recordTimesHistogram("Android.StrictMode.NotificationUIBuildTime",
-                    SystemClock.elapsedRealtime() - time, TimeUnit.MILLISECONDS);
-        } finally {
-            StrictMode.setThreadPolicy(oldPolicy);
-        }
-    }
-
-    private NotificationBuilderBase createNotificationBuilder() {
-        if (useCustomLayouts()) {
-            return new CustomNotificationBuilder(mAppContext);
-        }
-        return new StandardNotificationBuilder(mAppContext);
-    }
-
-    /**
-     * Creates the ticker text for a notification having |title| and |body|. The notification's
-     * title will be printed in bold, followed by the text of the body.
-     *
-     * @param title Title of the notification.
-     * @param body Textual contents of the notification.
-     * @return A character sequence containing the ticker's text.
-     */
-    private CharSequence createTickerText(String title, String body) {
-        SpannableStringBuilder spannableStringBuilder = new SpannableStringBuilder();
-
-        spannableStringBuilder.append(title);
-        spannableStringBuilder.append("\n");
-        spannableStringBuilder.append(body);
-
-        // Mark the title of the notification as being bold.
-        spannableStringBuilder.setSpan(new StyleSpan(android.graphics.Typeface.BOLD),
-                0, title.length(), Spannable.SPAN_INCLUSIVE_INCLUSIVE);
-
-        return spannableStringBuilder;
-    }
-
-    /**
-     * Ensures the availability of an icon for the notification.
-     *
-     * If |icon| is a valid, non-empty Bitmap, the bitmap will be scaled to be of an appropriate
-     * size for the current Android device. Otherwise, a default icon will be created based on the
-     * origin the notification is being displayed for.
-     *
-     * @param icon The developer-provided icon they intend to use for the notification.
-     * @param origin The origin the notification is being displayed for.
-     * @return An appropriately sized icon to use for the notification.
-     */
-    @VisibleForTesting
-    public Bitmap ensureNormalizedIcon(Bitmap icon, String origin) {
-        if (icon == null || icon.getWidth() == 0) {
-            if (mIconGenerator == null) {
-                int cornerRadiusPx = Math.min(mLargeIconWidthPx, mLargeIconHeightPx) / 2;
-                mIconGenerator =
-                        new RoundedIconGenerator(mLargeIconWidthPx, mLargeIconHeightPx,
-                                                 cornerRadiusPx,
-                                                 NOTIFICATION_ICON_BG_COLOR,
-                                                 NOTIFICATION_TEXT_SIZE_DP * mDensity);
-            }
-
-            return mIconGenerator.generateIconForUrl(origin, true);
-        }
-
-        if (icon.getWidth() > mLargeIconWidthPx || icon.getHeight() > mLargeIconHeightPx) {
-            return icon.createScaledBitmap(icon, mLargeIconWidthPx, mLargeIconHeightPx,
-                                           false /* not filtered */);
-        }
-
-        return icon;
-    }
-
-    /**
-     * Determines whether to use standard notification layouts, using NotificationCompat.Builder,
-     * or custom layouts using Chrome's own templates.
-     *
-     * The --{enable,disable}-web-notification-custom-layouts command line flags take precedence.
-     *
-     * @return Whether custom layouts should be used.
-     */
-    @VisibleForTesting
-    static boolean useCustomLayouts() {
-        CommandLine commandLine = CommandLine.getInstance();
-        if (commandLine.hasSwitch(ChromeSwitches.ENABLE_WEB_NOTIFICATION_CUSTOM_LAYOUTS)) {
-            return true;
-        }
-        if (commandLine.hasSwitch(ChromeSwitches.DISABLE_WEB_NOTIFICATION_CUSTOM_LAYOUTS)) {
-            return false;
-        }
-        if (Build.VERSION.CODENAME.equals("N")) {
-            return false;
-        }
-        return true;
-    }
-
-    /**
-     * Returns whether a notification has been clicked in the last 5 seconds.
-     * Used for Startup.BringToForegroundReason UMA histogram.
-     */
-    public static boolean wasNotificationRecentlyClicked() {
-        if (sInstance == null) return false;
-        long now = System.currentTimeMillis();
-        return now - sInstance.mLastNotificationClickMs < 5 * 1000;
-    }
-
-    /**
-     * Closes the notification associated with the given parameters.
-     *
-     * @param profileId of the profile whose notification this is for.
-     * @param persistentNotificationId The persistent id of the notification.
-     * @param origin The origin to which the notification belongs.
-     * @param tag The tag of the notification. May be NULL.
-     */
-    @CalledByNative
-    private void closeNotification(
-            String profileId, long persistentNotificationId, String origin, String tag) {
-        // TODO(miguelg) make profile_id part of the tag.
-        String platformTag = makePlatformTag(persistentNotificationId, origin, tag);
-        mNotificationManager.cancel(platformTag, PLATFORM_ID);
-    }
-
-    /**
-     * Calls NotificationUIManagerAndroid::OnNotificationClicked in native code to indicate that
-     * the notification with the given parameters has been clicked on.
-     *
-     * @param persistentNotificationId The persistent id of the notification.
-     * @param origin The origin of the notification.
-     * @param profileId Id of the profile that showed the notification.
-     * @param incognito if the profile session was an off the record one.
-     * @param tag The tag of the notification. May be NULL.
-     */
-    private void onNotificationClicked(long persistentNotificationId, String origin,
-            String profileId, boolean incognito, String tag, int actionIndex) {
-        mLastNotificationClickMs = System.currentTimeMillis();
-        nativeOnNotificationClicked(mNativeNotificationManager, persistentNotificationId, origin,
-                profileId, incognito, tag, actionIndex);
-    }
-
-    /**
-     * Calls NotificationUIManagerAndroid::OnNotificationClosed in native code to indicate that
-     * the notification with the given parameters has been closed.
-     *
-     * @param persistentNotificationId The persistent id of the notification.
-     * @param origin The origin of the notification.
-     * @param profileId Id of the profile that showed the notification.
-     * @param incognito if the profile session was an off the record one.
-     * @param tag The tag of the notification. May be NULL.
-     * @param byUser Whether the notification was closed by a user gesture.
-     */
-    private void onNotificationClosed(long persistentNotificationId, String origin,
-            String profileId, boolean incognito, String tag, boolean byUser) {
-        nativeOnNotificationClosed(mNativeNotificationManager, persistentNotificationId, origin,
-                profileId, incognito, tag, byUser);
-    }
-
-    private static native void nativeInitializeNotificationUIManager();
-
-    private native void nativeOnNotificationClicked(long nativeNotificationUIManagerAndroid,
-            long persistentNotificationId, String origin, String profileId, boolean incognito,
-            String tag, int actionIndex);
-    private native void nativeOnNotificationClosed(long nativeNotificationUIManagerAndroid,
-            long persistentNotificationId, String origin, String profileId, boolean incognito,
-            String tag, boolean byUser);
-}