🏠 Extract the ContentSuggestionManager interface from NTP

chrome/android/java/src/org/chromium/chrome/browser/suggestions/SuggestionsNavigationDelegate.java

+// 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.suggestions;
+
+import org.chromium.chrome.browser.ntp.snippets.SnippetArticle;
+import org.chromium.content_public.browser.LoadUrlParams;
+
+/**
+ * Interface exposing to the suggestion surface methods to navigate to other parts of the browser.
+ */
+public interface SuggestionsNavigationDelegate {
+    /** @return Whether context menus should allow the option to open a link in incognito. */
+    boolean isOpenInIncognitoEnabled();
+
+    /** @return Whether context menus should allow the option to open a link in a new window. */
+    boolean isOpenInNewWindowEnabled();
+
+    /** Opens the bookmarks page in the current tab. */
+    void navigateToBookmarks();
+
+    /** Opens the Download Manager UI in the current tab. */
+    void navigateToDownloadManager();
+
+    /** Opens the recent tabs page in the current tab. */
+    void navigateToRecentTabs();
+
+    /**
+     * Handles clicks on the "learn more" link in the footer.
+     */
+    void onLearnMoreClicked();
+
+    /**
+     * Opens a content suggestion and records related metrics.
+     * @param windowOpenDisposition How to open (current tab, new tab, new window etc).
+     * @param article The content suggestion to open.
+     */
+    void openSnippet(int windowOpenDisposition, SnippetArticle article);
+
+    /** Opens an url with the desired disposition. */
+    void openUrl(int windowOpenDisposition, LoadUrlParams loadUrlParams);
+}