Attaches OfflineContentAggregator to Profile

chrome/android/java/src/org/chromium/chrome/browser/download/items/OfflineContentAggregatorFactory.java

Index: chrome/android/java/src/org/chromium/chrome/browser/download/items/OfflineContentAggregatorFactory.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/download/items/OfflineContentAggregatorFactory.java b/chrome/android/java/src/org/chromium/chrome/browser/download/items/OfflineContentAggregatorFactory.java
new file mode 100644
index 0000000000000000000000000000000000000000..799da816a1fd0b6305a84cce37ce2b98a7d8ebb8
--- /dev/null
+++ b/chrome/android/java/src/org/chromium/chrome/browser/download/items/OfflineContentAggregatorFactory.java
@@ -0,0 +1,29 @@
+// Copyright 2017 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.download.items;
+
+import org.chromium.chrome.browser.profiles.Profile;
+import org.chromium.components.offline_items_collection.OfflineContentProvider;
+
+/**
+ * Basic factory that creates and returns an {@link OfflineContentProvider} that is attached
+ * natively to {@link Profile}.
+ */
+class OfflineContentAggregatorFactory {
+    private OfflineContentAggregatorFactory() {}
+
+    /**
+     * Used to get access to the {@link OfflineContentProvider} associated with {@code profile}.
+     * The same {@link OfflineContentProvider} will be returned for the same {@link Profile}.
+     * @param profile The {@link Profile} that owns the {@link OfflineContentProvider}.
+     * @return An {@link OfflineContentProvider} instance.
+     */
+    public static OfflineContentProvider forProfile(Profile profile) {
+        return nativeGetOfflineContentAggregatorForProfile(profile);
+    }
+
+    private static native OfflineContentProvider nativeGetOfflineContentAggregatorForProfile(
+            Profile profile);
+}