[OfflinePages] Rename PRERENDERING_* result terminology to LOADING_*

chrome/android/javatests/src/org/chromium/chrome/browser/offlinepages/OfflinePageSavePageLaterEvaluationTest.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.offlinepages;
 
 import android.app.NotificationManager;
 import android.content.Context;
 import android.os.Environment;
 import android.text.TextUtils;
@@ skipping 333 matching lines @@
             Log.e(TAG, e.getMessage(), e);
             fail(String.format("URL file %s is not found.", inputFilePath));
         }
     }
 
     // Translate the int value of status to BackgroundSavePageResult.
     private String statusToString(int status) {
         switch (status) {
             case BackgroundSavePageResult.SUCCESS:
                 return "SUCCESS";
-            case BackgroundSavePageResult.PRERENDER_FAILURE:
-                return "PRERENDER_FAILURE";
-            case BackgroundSavePageResult.PRERENDER_CANCELED:
-                return "PRERENDER_CANCELED";
+            case BackgroundSavePageResult.LOADING_FAILURE:
+                return "LOADING_FAILURE";
+            case BackgroundSavePageResult.LOADING_CANCELED:
+                return "LOADING_CANCELED";
             case BackgroundSavePageResult.FOREGROUND_CANCELED:
                 return "FOREGROUND_CANCELED";
             case BackgroundSavePageResult.SAVE_FAILED:
                 return "SAVE_FAILED";
             case BackgroundSavePageResult.EXPIRED:
                 return "EXPIRED";
             case BackgroundSavePageResult.RETRY_COUNT_EXCEEDED:
                 return "RETRY_COUNT_EXCEEDED";
             case BackgroundSavePageResult.START_COUNT_EXCEEDED:
                 return "START_COUNT_EXCEEDED";
@@ skipping 112 matching lines @@
      * The test is the entry point for all kinds of testing of SavePageLater.
      * It is encouraged to use run_offline_page_evaluation_test.py to run this test.
      */
     @Manual
     public void testFailureRate() throws IOException, InterruptedException {
         parseConfigFile();
         setUpIOAndBridge(mUseTestScheduler);
         processUrls(mUrls);
     }
 }