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

chrome/android/java/src/org/chromium/chrome/browser/history/HistorySheetContent.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.history;
 
 import android.support.v7.widget.Toolbar;
 import android.view.View;
 
 import org.chromium.chrome.browser.ChromeActivity;
@@ skipping 32 matching lines @@
     @Override
     public int getVerticalScrollOffset() {
         return mHistoryManager.getVerticalScrollOffset();
     }
 
     @Override
     public void destroy() {
         mHistoryManager.onDestroyed();
         mHistoryManager = null;
     }
+
+    @Override
+    public String getMetricsName() {
+        return "History";
+    }
 }