Remove TabModelSelector's dependency on ChromeFullscreenManager.

chrome/android/javatests/src/org/chromium/chrome/browser/tabmodel/TabModelSelectorTabModelObserverTest.java

Index: chrome/android/javatests/src/org/chromium/chrome/browser/tabmodel/TabModelSelectorTabModelObserverTest.java
diff --git a/chrome/android/javatests/src/org/chromium/chrome/browser/tabmodel/TabModelSelectorTabModelObserverTest.java b/chrome/android/javatests/src/org/chromium/chrome/browser/tabmodel/TabModelSelectorTabModelObserverTest.java
new file mode 100644
index 0000000000000000000000000000000000000000..6d2b5847ab93da3256f8514e2d760861001353b2
--- /dev/null
+++ b/chrome/android/javatests/src/org/chromium/chrome/browser/tabmodel/TabModelSelectorTabModelObserverTest.java
@@ -0,0 +1,69 @@
+// Copyright 2016 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.tabmodel;
+
+import android.test.UiThreadTest;
+import android.test.suitebuilder.annotation.SmallTest;
+
+import org.chromium.base.test.util.CallbackHelper;
+import org.chromium.chrome.browser.tab.Tab;
+import org.chromium.chrome.browser.tabmodel.TabModel.TabLaunchType;
+import org.chromium.content_public.browser.LoadUrlParams;
+
+import java.util.List;
+import java.util.concurrent.TimeoutException;
+
+/**
+ * Tests for the TabModelSelectorTabModelObserver.
+ */
+public class TabModelSelectorTabModelObserverTest extends TabModelSelectorObserverTestBase {
+    @UiThreadTest
+    @SmallTest
+    public void testAlreadyInitializedSelector() throws InterruptedException, TimeoutException {
+        final CallbackHelper registrationCompleteCallback = new CallbackHelper();
+        TabModelSelectorTabModelObserver observer =
+                new TabModelSelectorTabModelObserver(mSelector) {
+                    @Override
+                    protected void onRegistrationComplete() {
+                        registrationCompleteCallback.notifyCalled();
+                    }
+                };
+        registrationCompleteCallback.waitForCallback(0);
+        assertAllModelsHaveObserver(mSelector, observer);
+    }
+
+    @UiThreadTest
+    @SmallTest
+    public void testUninitializedSelector() throws InterruptedException, TimeoutException {
+        mSelector = new TabModelSelectorBase() {
+            @Override
+            public Tab openNewTab(LoadUrlParams loadUrlParams, TabLaunchType type, Tab parent,
+                    boolean incognito) {
+                return null;
+            }
+        };
+        final CallbackHelper registrationCompleteCallback = new CallbackHelper();
+        TabModelSelectorTabModelObserver observer =
+                new TabModelSelectorTabModelObserver(mSelector) {
+                    @Override
+                    protected void onRegistrationComplete() {
+                        registrationCompleteCallback.notifyCalled();
+                    }
+                };
+        mSelector.initialize(false, mNormalTabModel, mIncognitoTabModel);
+        registrationCompleteCallback.waitForCallback(0);
+        assertAllModelsHaveObserver(mSelector, observer);
+    }
+
+    private static void assertAllModelsHaveObserver(
+            TabModelSelector selector, TabModelObserver observer) {
+        List<TabModel> models = selector.getModels();
+        for (int i = 0; i < models.size(); i++) {
+            assertTrue(models.get(i) instanceof TabModelSelectorTestTabModel);
+            assertTrue(((TabModelSelectorTestTabModel) models.get(i))
+                    .getObservers().contains(observer));
+        }
+    }
+}