Remove ListUrlsActivity

chrome/android/java/src/org/chromium/chrome/browser/physicalweb/PhysicalWebDiagnosticsPage.java

 // 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.physicalweb;
 
 import android.app.Activity;
 import android.content.res.Resources;
 import android.os.Build;
 import android.text.Html;
@@ skipping 44 matching lines @@
         mIndeterminateColor = colorToHexValue(ApiCompatibilityUtils.getColor(resources,
                 R.color.physical_web_diags_indeterminate_color));
 
         LayoutInflater inflater = LayoutInflater.from(activity);
         mPageView = inflater.inflate(R.layout.physical_web_diagnostics, null);
 
         mLaunchButton = (Button) mPageView.findViewById(R.id.physical_web_launch);
         mLaunchButton.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
-                PhysicalWebUma.onActivityReferral(ListUrlsActivity.DIAGNOSTICS_REFERER);
+                PhysicalWebUma.onActivityReferral(PhysicalWebUma.DIAGNOSTICS_REFERER);
                 PhysicalWeb.showUrlList();
             }
         });
 
         mDiagnosticsText = (TextView) mPageView.findViewById(R.id.physical_web_diagnostics_text);
         mDiagnosticsText.setAutoLinkMask(Linkify.WEB_URLS);
         mDiagnosticsText.setText(Html.fromHtml(createDiagnosticsReportHtml()));
     }
 
     @Override
@@ skipping 138 matching lines @@
     }
 
     private boolean isSdkVersionCorrect() {
         return (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT);
     }
 
     private static String colorToHexValue(int color) {
         return "#" + Integer.toHexString(color & 0x00ffffff);
     }
 }