[Home] Record some user actions for the Chrome Home BottomSheet

chrome/android/javatests/src/org/chromium/chrome/browser/widget/bottomsheet/BottomSheetObserverTest.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.widget.bottomsheet;
 
 import android.support.test.filters.MediumTest;
 
 import org.chromium.base.test.util.CallbackHelper;
 import org.chromium.chrome.browser.util.MathUtils;
+import org.chromium.chrome.browser.widget.bottomsheet.BottomSheet.BottomSheetContent;
 import org.chromium.chrome.test.BottomSheetTestCaseBase;
 
 import java.util.concurrent.TimeoutException;
 
 /** This class tests the functionality of the {@link BottomSheetObserver}. */
 public class BottomSheetObserverTest extends BottomSheetTestCaseBase {
     /** A handle to the sheet's observer. */
     private TestBottomSheetObserver mObserver;
 
     /** An observer used to record events that occur with respect to the bottom sheet. */
@@ skipping 33 matching lines @@
             mOpenedCallbackHelper.notifyCalled();
         }
 
         @Override
         public void onSheetClosed() {
             mClosedCallbackHelper.notifyCalled();
         }
 
         @Override
         public void onLoadUrl(String url) {}
+
+        @Override
+        public void onSheetStateChanged(int newState) {}
+
+        @Override
+        public void onSheetContentChanged(BottomSheetContent newContent) {}
     }
 
     @Override
     protected void setUp() throws Exception {
         super.setUp();
 
         mObserver = new TestBottomSheetObserver();
         mBottomSheet.addObserver(mObserver);
     }
 
@@ skipping 145 matching lines @@
         callbackHelper.waitForCallback(callbackCount, 1);
         assertEquals(0.5f, mObserver.mLastPeekToHalfValue, MathUtils.EPSILON);
 
         // At the half state the event should send 1.
         callbackCount = callbackHelper.getCallCount();
         setSheetOffsetFromBottom(halfHeight);
         callbackHelper.waitForCallback(callbackCount, 1);
         assertEquals(1f, mObserver.mLastPeekToHalfValue, MathUtils.EPSILON);
     }
 }