Upstream oodles of Chrome for Android code into Chromium.

chrome/android/java_staging/src/org/chromium/chrome/browser/rlz/RevenueStats.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.rlz;
+
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.preference.PreferenceManager;
+
+import org.chromium.base.ApplicationStatus;
+import org.chromium.base.JNINamespace;
+import org.chromium.chrome.browser.ChromeMobileApplication;
+import org.chromium.chrome.browser.Tab;
+
+import java.util.concurrent.atomic.AtomicReference;
+
+/**
+ * Utility class for managing revenue sharing information.
+ */
+@JNINamespace("chrome::android")
+public class RevenueStats {
+    private static final String PREF_RLZ_NOTIFIED = "rlz_first_search_notified";
+
+    // Use an AtomicReference since getInstance() can be called from multiple threads.
+    private static AtomicReference<RevenueStats> sInstance = new AtomicReference<RevenueStats>();
+
+    /**
+     * Returns the singleton instance of ExternalAuthUtils, creating it if needed.
+     */
+    public static RevenueStats getInstance() {
+        if (sInstance.get() == null) {
+            ChromeMobileApplication application =
+                    (ChromeMobileApplication) ApplicationStatus.getApplicationContext();
+            sInstance.compareAndSet(null, application.createRevenueStatsInstance());
+        }
+        return sInstance.get();
+    }
+
+    /**
+     * Notifies tab creation event.
+     */
+    public void tabCreated(Tab chromeTab) {}
+
+    /**
+     * Retrieves the client ID string.
+     */
+    public String retrieveClientId() {
+        return null;
+    }
+
+    /**
+     * Returns whether the RLZ provider has been notified that the first search has occurred.
+     */
+    protected static boolean getRlzNotified(Context context) {
+        return PreferenceManager.getDefaultSharedPreferences(context).getBoolean(
+                PREF_RLZ_NOTIFIED, false);
+    }
+
+    /**
+     * Stores whether the RLZ provider has been notified that the first search has occurred as
+     * shared preference.
+     */
+    protected static void setRlzNotified(Context context, boolean notified) {
+        SharedPreferences.Editor sharedPreferencesEditor =
+                PreferenceManager.getDefaultSharedPreferences(context).edit();
+        sharedPreferencesEditor.putBoolean(PREF_RLZ_NOTIFIED, notified);
+        sharedPreferencesEditor.apply();
+    }
+
+    /**
+     * Sets search client id.
+     */
+    protected static void setSearchClient(String client) {
+        nativeSetSearchClient(client);
+    }
+
+    /**
+     * Sets rlz value.
+     */
+    protected static void setRlzParameterValue(String rlz) {
+        nativeSetRlzParameterValue(rlz);
+    }
+
+    private static native void nativeSetSearchClient(String client);
+    private static native void nativeSetRlzParameterValue(String rlz);
+}