Remove unused Interests code.

chrome/android/javatests/src/org/chromium/chrome/browser/ntp/interests/InterestsServiceTest.java

Index: chrome/android/javatests/src/org/chromium/chrome/browser/ntp/interests/InterestsServiceTest.java
diff --git a/chrome/android/javatests/src/org/chromium/chrome/browser/ntp/interests/InterestsServiceTest.java b/chrome/android/javatests/src/org/chromium/chrome/browser/ntp/interests/InterestsServiceTest.java
deleted file mode 100644
index 33ba17b7b6a2299fb184e06c1fcbbd09ad237410..0000000000000000000000000000000000000000
--- a/chrome/android/javatests/src/org/chromium/chrome/browser/ntp/interests/InterestsServiceTest.java
+++ /dev/null
@@ -1,193 +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.ntp.interests;
-
-import android.accounts.Account;
-import android.content.Context;
-
-import org.chromium.base.CommandLine;
-import org.chromium.base.ThreadUtils;
-import org.chromium.base.test.util.FlakyTest;
-import org.chromium.chrome.browser.ntp.interests.InterestsService.Interest;
-import org.chromium.chrome.browser.profiles.Profile;
-import org.chromium.chrome.browser.signin.AccountTrackerService;
-import org.chromium.chrome.browser.signin.OAuth2TokenService;
-import org.chromium.chrome.browser.signin.SigninManager;
-import org.chromium.chrome.test.util.browser.signin.SigninTestUtil;
-import org.chromium.content.browser.test.NativeLibraryTestBase;
-import org.chromium.net.test.util.TestWebServer;
-import org.chromium.sync.signin.ChromeSigninController;
-
-import java.util.concurrent.BlockingQueue;
-import java.util.concurrent.CountDownLatch;
-import java.util.concurrent.SynchronousQueue;
-
-/**
- * Tests for InterestsService.
- */
-public class InterestsServiceTest extends NativeLibraryTestBase {
-    // Special Interest array to signal a null response since LinkedBlockingQueue does not
-    // accept null.
-    private static final Interest[] NULL_RESPONSE = new Interest[0];
-
-    private Context mContext;
-    private Account mAccount;
-
-    @Override
-    public void setUp() throws Exception {
-        super.setUp();
-        loadNativeLibraryAndInitBrowserProcess();
-
-        mContext = getInstrumentation().getTargetContext();
-
-        // Create the test account and wait for it to be seeded fully.
-        final CountDownLatch latch = new CountDownLatch(1);
-
-        ThreadUtils.runOnUiThreadBlocking(new Runnable() {
-            @Override
-            public void run() {
-                AccountTrackerService.get(mContext).addSystemAccountsSeededListener(
-                        new AccountTrackerService.OnSystemAccountsSeededListener() {
-                            @Override
-                            public void onSystemAccountsSeedingComplete() {
-                                latch.countDown();
-                            }
-
-                            @Override
-                            public void onSystemAccountsChanged() {}
-                        });
-                SigninTestUtil.setUpAuthForTest(getInstrumentation());
-                mAccount = SigninTestUtil.addAndSignInTestAccount();
-            }
-        });
-
-        latch.await();
-
-        // Sign in with the test account.
-        ThreadUtils.runOnUiThreadBlocking(new Runnable() {
-            @Override
-            public void run() {
-                SigninManager.get(mContext).onFirstRunCheckDone();
-                SigninManager.get(mContext).signIn(mAccount, null, null);
-            }
-        });
-    }
-
-    @Override
-    public void tearDown() throws Exception {
-        // Sign out of the test account.
-        ThreadUtils.runOnUiThreadBlocking(new Runnable() {
-            @Override
-            public void run() {
-                ChromeSigninController.get(mContext).setSignedInAccountName(null);
-                OAuth2TokenService.getForProfile(Profile.getLastUsedProfile())
-                        .validateAccounts(mContext, false);
-            }
-        });
-        super.tearDown();
-    }
-
-    /**
-     * @SmallTest
-     * @Feature({"NewTabPage"})
-     */
-    @FlakyTest(message = "http://crbug.com/585173")
-    public void testEmptyInterests() throws Exception {
-        String response = "{\n"
-                + "  \"interests\": []\n"
-                + "}\n";
-        Interest[] result = serveResponseAndRequestInterests(response);
-
-        assertTrue(NULL_RESPONSE != result);
-        assertEquals(0, result.length);
-    }
-
-    /**
-     * @SmallTest
-     * @Feature({"NewTabPage"})
-     */
-    @FlakyTest(message = "http://crbug.com/585173")
-    public void testInterests() throws Exception {
-        String response = "{\n"
-                + "  \"interests\": [\n"
-                + "    {\n"
-                + "      \"name\": \"Google\",\n"
-                + "      \"imageUrl\": \"https://fake.com/fake.png\",\n"
-                + "      \"relevance\": 0.9\n"
-                + "    },\n"
-                + "    {\n"
-                + "      \"name\": \"Google Chrome\",\n"
-                + "      \"imageUrl\": \"https://fake.com/fake.png\",\n"
-                + "      \"relevance\": 0.98\n"
-                + "    }\n"
-                + "  ]\n"
-                + "}\n";
-        Interest[] result = serveResponseAndRequestInterests(response);
-
-        assertEquals(2, result.length);
-        assertEquals(new Interest("Google", "https://fake.com/fake.png", 0.9), result[0]);
-        assertEquals(new Interest("Google Chrome", "https://fake.com/fake.png", 0.98), result[1]);
-    }
-
-    /**
-     * http://crbug.com/585173
-     * @SmallTest
-     * @Feature({"NewTabPage"})
-     */
-    @FlakyTest(message = "http://crbug.com/585173")
-    public void testBadlyFormedInterests() throws Exception {
-        String response = "{\n"
-                + "  \"interests\": [";
-        Interest[] result = serveResponseAndRequestInterests(response);
-
-        assertTrue(NULL_RESPONSE == result);
-    }
-
-    /**
-     * @SmallTest
-     * @Feature({"NewTabPage"})
-     */
-    @FlakyTest(message = "http://crbug.com/585173")
-    public void testEmptyResponse() throws Exception {
-        Interest[] result = serveResponseAndRequestInterests("");
-
-        assertTrue(NULL_RESPONSE == result);
-    }
-
-    private Interest[] serveResponseAndRequestInterests(String response) throws Exception {
-        TestWebServer server = TestWebServer.start();
-        String url = server.setResponse("/", response, null);
-        CommandLine.getInstance().appendSwitchWithValue("interests-url", url);
-
-        final BlockingQueue<Interest[]> queue = new SynchronousQueue<>();
-        ThreadUtils.runOnUiThreadBlocking(new Runnable() {
-            @Override
-            public void run() {
-                InterestsService is = new InterestsService(Profile.getLastUsedProfile());
-                is.getInterests(new InterestsService.GetInterestsCallback() {
-                    @Override
-                    public void onInterestsAvailable(Interest[] interests) {
-                        // We can't put a null on the queue, so use we'll use a global.
-                        try {
-                            if (interests == null) {
-                                queue.put(NULL_RESPONSE);
-                            } else {
-                                queue.put(interests);
-                            }
-                        } catch (InterruptedException e) {
-                            fail("Could not pass interests back to test thread");
-                        }
-                    }
-                });
-            }
-        });
-
-        // Wait for the interests to be fetched before shutting the server down.
-        Interest[] result = queue.take();
-        server.shutdown();
-
-        return result;
-    }
-}