Remove OmahaClient low-end device check.

chrome/android/java/src/org/chromium/chrome/browser/ChromeActivity.java

 // 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;
 
 import android.annotation.SuppressLint;
 import android.app.Activity;
 import android.app.SearchManager;
 import android.app.assist.AssistContent;
 import android.content.Context;
 import android.content.Intent;
 import android.content.SharedPreferences;
 import android.content.res.Configuration;
 import android.graphics.Bitmap;
 import android.graphics.Color;
 import android.graphics.Rect;
 import android.net.Uri;
 import android.os.AsyncTask;
 import android.os.Build;
 import android.os.Bundle;
 import android.os.Looper;
 import android.os.MessageQueue;
 import android.os.Process;
-import android.os.StrictMode;
 import android.os.SystemClock;
 import android.preference.PreferenceManager;
 import android.support.v7.app.AlertDialog;
 import android.util.DisplayMetrics;
 import android.view.Menu;
 import android.view.MenuItem;
 import android.view.View;
 import android.view.ViewGroup;
 import android.view.ViewStub;
 import android.view.ViewTreeObserver;
@@ skipping 45 matching lines @@
 import org.chromium.chrome.browser.gsa.GSAServiceClient;
 import org.chromium.chrome.browser.gsa.GSAState;
 import org.chromium.chrome.browser.help.HelpAndFeedback;
 import org.chromium.chrome.browser.infobar.InfoBarContainer;
 import org.chromium.chrome.browser.init.AsyncInitializationActivity;
 import org.chromium.chrome.browser.metrics.LaunchMetrics;
 import org.chromium.chrome.browser.metrics.UmaSessionStats;
 import org.chromium.chrome.browser.net.spdyproxy.DataReductionProxySettings;
 import org.chromium.chrome.browser.nfc.BeamController;
 import org.chromium.chrome.browser.nfc.BeamProvider;
-import org.chromium.chrome.browser.omaha.OmahaClient;
 import org.chromium.chrome.browser.partnercustomizations.PartnerBrowserCustomizations;
 import org.chromium.chrome.browser.preferences.ChromePreferenceManager;
 import org.chromium.chrome.browser.preferences.PrefServiceBridge;
 import org.chromium.chrome.browser.preferences.PreferencesLauncher;
 import org.chromium.chrome.browser.printing.TabPrinter;
 import org.chromium.chrome.browser.share.ShareHelper;
 import org.chromium.chrome.browser.snackbar.LoFiBarPopupController;
 import org.chromium.chrome.browser.snackbar.SnackbarManager;
 import org.chromium.chrome.browser.snackbar.SnackbarManager.SnackbarManageable;
 import org.chromium.chrome.browser.sync.ProfileSyncService;
@@ skipping 151 matching lines @@
         mLoFiBarPopupController = new LoFiBarPopupController(this, getSnackbarManager());
 
         mAssistStatusHandler = createAssistStatusHandler();
         if (mAssistStatusHandler != null) {
             if (mTabModelSelector != null) {
                 mAssistStatusHandler.setTabModelSelector(mTabModelSelector);
             }
             mAssistStatusHandler.updateAssistState();
         }
 
-        // Low end device UI should be allowed only after a fresh install or when the data has
-        // been cleared. This must happen before anyone calls SysUtils.isLowEndDevice() or
-        // SysUtils.isLowEndDevice() will always return the wrong value.
-        // Temporarily allowing disk access. TODO: Fix. See http://crbug.com/473352
-        StrictMode.ThreadPolicy oldPolicy = StrictMode.allowThreadDiskReads();
-        try {
-            if (OmahaClient.isFreshInstallOrDataHasBeenCleared(this)) {
-                ChromePreferenceManager.getInstance(this).setAllowLowEndDeviceUi();
-            }
-        } finally {
-            StrictMode.setThreadPolicy(oldPolicy);
-        }
-
+        // If a user had ALLOW_LOW_END_DEVICE_UI explicitly set to false then we manually override
+        // SysUtils.isLowEndDevice() with a switch so that they continue to see the normal UI. This
+        // is only the case for grandfathered-in svelte users. We no longer do so for newer users.
         if (!ChromePreferenceManager.getInstance(this).getAllowLowEndDeviceUi()) {
             CommandLine.getInstance().appendSwitch(
                     BaseSwitches.DISABLE_LOW_END_DEVICE_MODE);
         }
 
         AccessibilityManager manager = (AccessibilityManager)
                 getBaseContext().getSystemService(Context.ACCESSIBILITY_SERVICE);
         manager.addAccessibilityStateChangeListener(this);
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
             mTouchExplorationStateChangeListener = new TouchExplorationStateChangeListener() {
@@ skipping 1170 matching lines @@
 
     @Override
     public void terminateIncognitoSession() {}
 
     @Override
     public void onTabSelectionHinted(int tabId) { }
 
     @Override
     public void onSceneChange(Layout layout) { }
 }