Upstream oodles of Chrome for Android code into Chromium.

chrome/android/javatests/src/org/chromium/chrome/browser/ntp/FakeMostVisitedSites.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.ntp;
+
+import org.chromium.base.ThreadUtils;
+import org.chromium.chrome.browser.profiles.MostVisitedSites;
+import org.chromium.chrome.browser.profiles.Profile;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * A fake implementation of MostVisitedSites that returns a fixed list of most visited sites.
+ */
+public class FakeMostVisitedSites extends MostVisitedSites {
+
+    private final String[] mMostVisitedTitles;
+    private final String[] mMostVisitedUrls;
+
+    private final List<String> mBlacklistedUrls = new ArrayList<String>();
+
+    /**
+     * @param p The profile to associated most visited with.
+     * @param mostVisitedTitles The titles of the fixed list of most visited sites.
+     * @param mostVisitedUrls The URLs of the fixed list of most visited sites.
+     */
+    public FakeMostVisitedSites(Profile p, String[] mostVisitedTitles, String[] mostVisitedUrls) {
+        super(p);
+        assert mostVisitedTitles.length == mostVisitedUrls.length;
+        mMostVisitedTitles = mostVisitedTitles.clone();
+        mMostVisitedUrls = mostVisitedUrls.clone();
+    }
+
+    @Override
+    public void setMostVisitedURLsObserver(final MostVisitedURLsObserver observer, int numResults) {
+        ThreadUtils.postOnUiThread(new Runnable() {
+            @Override
+            public void run() {
+                observer.onMostVisitedURLsAvailable(mMostVisitedTitles.clone(),
+                        mMostVisitedUrls.clone());
+            }
+        });
+    }
+
+    @Override
+    public void getURLThumbnail(String url, final ThumbnailCallback callback) {
+        ThreadUtils.postOnUiThread(new Runnable() {
+            @Override
+            public void run() {
+                callback.onMostVisitedURLsThumbnailAvailable(null);
+            }
+        });
+    }
+
+    @Override
+    public void blacklistUrl(String url) {
+        mBlacklistedUrls.add(url);
+    }
+
+    /**
+     * @return Whether blacklistUrl() has been called on the given url.
+     */
+    public boolean isUrlBlacklisted(String url) {
+        return mBlacklistedUrls.contains(url);
+    }
+
+    @Override
+    public void recordOpenedMostVisitedItem(int index) {
+        //  Metrics are stubbed out.
+    }
+}