Merge java_staging/src into java/src.

chrome/android/java_staging/src/org/chromium/chrome/browser/DeferredStartupHandler.java

Index: chrome/android/java_staging/src/org/chromium/chrome/browser/DeferredStartupHandler.java
diff --git a/chrome/android/java_staging/src/org/chromium/chrome/browser/DeferredStartupHandler.java b/chrome/android/java_staging/src/org/chromium/chrome/browser/DeferredStartupHandler.java
deleted file mode 100644
index 948f9d7e42ab31cb40578591a780f618734a98e9..0000000000000000000000000000000000000000
--- a/chrome/android/java_staging/src/org/chromium/chrome/browser/DeferredStartupHandler.java
+++ /dev/null
@@ -1,176 +0,0 @@
-// 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.content.Context;
-import android.os.AsyncTask;
-import android.text.TextUtils;
-
-import org.chromium.base.CommandLine;
-import org.chromium.base.FieldTrialList;
-import org.chromium.base.PowerMonitor;
-import org.chromium.base.ThreadUtils;
-import org.chromium.base.TraceEvent;
-import org.chromium.base.VisibleForTesting;
-import org.chromium.chrome.browser.bookmarkswidget.BookmarkThumbnailWidgetProviderBase;
-import org.chromium.chrome.browser.crash.CrashFileManager;
-import org.chromium.chrome.browser.crash.MinidumpUploadService;
-import org.chromium.chrome.browser.download.DownloadManagerService;
-import org.chromium.chrome.browser.media.MediaNotificationService;
-import org.chromium.chrome.browser.partnerbookmarks.PartnerBookmarksShim;
-import org.chromium.chrome.browser.precache.PrecacheLauncher;
-import org.chromium.chrome.browser.preferences.ChromePreferenceManager;
-import org.chromium.chrome.browser.preferences.privacy.PrivacyPreferencesManager;
-import org.chromium.chrome.browser.share.ShareHelper;
-import org.chromium.components.variations.VariationsAssociatedData;
-import org.chromium.content.browser.ChildProcessLauncher;
-
-/**
- * Handler for application level tasks to be completed on deferred startup.
- */
-public class DeferredStartupHandler {
-    // Constants for trial of moderate binding support.
-    private static final String MODERATE_BINDING_TRIAL_NAME = "MobileModerateBinding";
-    private static final String MODERATE_BINDING_LOW_REDUCE_RATIO_PARAM = "low_reduce_ratio";
-    private static final String MODERATE_BINDING_HIGH_REDUCE_RATIO_PARAM = "high_reduce_ratio";
-    private static final String MODERATE_BINDING_ENABLED_PARAM = "enabled";
-    private static final String MODERATE_BINDING_SWITCH_PREFIX = "moderate-binding-";
-    private static final float DEFAULT_MODERATE_BINDING_REDUCE_RATIO = 0.25f;
-
-    private static DeferredStartupHandler sDeferredStartupHandler;
-    private boolean mDeferredStartupComplete;
-
-    /**
-     * This class is an application specific object that handles the deferred startup.
-     * @return The singleton instance of {@link DeferredStartupHandler}.
-     */
-    public static DeferredStartupHandler getInstance() {
-        if (sDeferredStartupHandler == null) {
-            sDeferredStartupHandler = new DeferredStartupHandler();
-        }
-        return sDeferredStartupHandler;
-    }
-
-    private DeferredStartupHandler() { }
-
-    /**
-     * Handle application level deferred startup tasks that can be lazily done after all
-     * the necessary initialization has been completed. Any calls requiring network access should
-     * probably go here.
-     * @param application The application object to use for context.
-     * @param crashDumpUploadingDisabled Whether crash dump uploading should be disabled.
-     */
-    public void onDeferredStartup(final ChromeMobileApplication application,
-            final boolean crashDumpUploadingDisabled) {
-        if (mDeferredStartupComplete) return;
-        ThreadUtils.assertOnUiThread();
-
-        // Punt all tasks that may block the UI thread off onto a background thread.
-        new AsyncTask<Void, Void, Void>() {
-            @Override
-            protected Void doInBackground(Void... params) {
-                try {
-                    TraceEvent.begin("ChromeBrowserInitializer.onDeferredStartup.doInBackground");
-                    if (crashDumpUploadingDisabled) {
-                        PrivacyPreferencesManager.getInstance(application).disableCrashUploading();
-                    } else {
-                        MinidumpUploadService.tryUploadAllCrashDumps(application);
-                    }
-                    CrashFileManager crashFileManager =
-                            new CrashFileManager(application.getCacheDir());
-                    crashFileManager.cleanOutAllNonFreshMinidumpFiles();
-
-                    MinidumpUploadService.storeBreakpadUploadAttemptsInUma(
-                                ChromePreferenceManager.getInstance(application));
-
-                    // Force a widget refresh in order to wake up any possible zombie widgets.
-                    // This is needed to ensure the right behavior when the process is suddenly
-                    // killed.
-                    BookmarkThumbnailWidgetProviderBase.refreshAllWidgets(application);
-
-                    // Initialize whether or not precaching is enabled.
-                    PrecacheLauncher.updatePrecachingEnabled(
-                            PrivacyPreferencesManager.getInstance(application), application);
-
-                    return null;
-                } finally {
-                    TraceEvent.end("ChromeBrowserInitializer.onDeferredStartup.doInBackground");
-                }
-            }
-        }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
-
-        // TODO(aruslan): http://b/6397072 This will be moved elsewhere
-        PartnerBookmarksShim.kickOffReading(application);
-
-        PowerMonitor.create(application);
-
-        // Starts syncing with GSA.
-        application.createGsaHelper().startSync();
-
-        DownloadManagerService.getDownloadManagerService(application)
-                .clearPendingDownloadNotifications();
-
-        application.initializeSharedClasses();
-
-        ShareHelper.clearSharedScreenshots(application);
-
-        // Clear any media notifications that existed when Chrome was last killed.
-        MediaNotificationService.clearMediaNotifications(application);
-
-        startModerateBindingManagementIfNeeded(application);
-
-        String customTabsTrialGroupName = FieldTrialList.findFullName("CustomTabs");
-        if (customTabsTrialGroupName.equals("Disabled")) {
-            ChromePreferenceManager.getInstance(application).setCustomTabsEnabled(false);
-        } else if (customTabsTrialGroupName.equals("Enabled")
-                || customTabsTrialGroupName.equals("DisablePrerender")) {
-            ChromePreferenceManager.getInstance(application).setCustomTabsEnabled(true);
-        }
-
-        mDeferredStartupComplete = true;
-    }
-
-    private static float parseFloat(String value, float defaultValue) {
-        try {
-            return TextUtils.isEmpty(value) ? defaultValue : Float.parseFloat(value);
-        } catch (NumberFormatException e) {
-            return defaultValue;
-        }
-    }
-
-    private static String getModerateBindingConfigValue(String param) {
-        String switchName = MODERATE_BINDING_SWITCH_PREFIX + param;
-        if (CommandLine.getInstance().hasSwitch(switchName)) {
-            return CommandLine.getInstance().getSwitchValue(switchName);
-        }
-        return VariationsAssociatedData.getVariationParamValue(MODERATE_BINDING_TRIAL_NAME, param);
-    }
-
-    private static void startModerateBindingManagementIfNeeded(Context context) {
-        String enabledValue = getModerateBindingConfigValue(MODERATE_BINDING_ENABLED_PARAM);
-        if (!Boolean.parseBoolean(enabledValue)) return;
-
-        String lowReduceRatioValue =
-                getModerateBindingConfigValue(MODERATE_BINDING_LOW_REDUCE_RATIO_PARAM);
-        String highReduceRatioValue =
-                getModerateBindingConfigValue(MODERATE_BINDING_HIGH_REDUCE_RATIO_PARAM);
-        float lowReduceRatio =
-                parseFloat(lowReduceRatioValue, DEFAULT_MODERATE_BINDING_REDUCE_RATIO);
-        float highReduceRatio =
-                parseFloat(highReduceRatioValue, DEFAULT_MODERATE_BINDING_REDUCE_RATIO * 2);
-        highReduceRatio = Math.max(0, Math.min(1, highReduceRatio));
-        lowReduceRatio = Math.max(0, Math.min(highReduceRatio, lowReduceRatio));
-        ChildProcessLauncher.startModerateBindingManagement(
-                context, lowReduceRatio, highReduceRatio);
-    }
-
-    /**
-    * @return Whether deferred startup has been completed.
-    */
-    @VisibleForTesting
-    public boolean isDeferredStartupComplete() {
-        return mDeferredStartupComplete;
-    }
-}