Make pull to refresh not perform regular reload (with cache revalidation)

chrome/android/javatests/src/org/chromium/chrome/browser/NavigationPopupTest.java

 // Copyright 2013 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;
 
 import android.graphics.Bitmap;
 import android.test.suitebuilder.annotation.MediumTest;
 import android.test.suitebuilder.annotation.SmallTest;
 
@@ skipping 104 matching lines @@
 
         @Override
         public void requestRestoreLoad() {
         }
 
         @Override
         public void reload(boolean checkForRepost) {
         }
 
         @Override
+        public void reloadToRefreshContent(boolean checkForRepost) {
+        }
+
+        @Override
         public void reloadIgnoringCache(boolean checkForRepost) {
         }
 
         @Override
         public void reloadDisableLoFi(boolean checkForRepost) {
         }
 
         @Override
         public void cancelPendingReload() {
         }
@@ skipping 141 matching lines @@
                 popup.performItemClick(1);
             }
         });
 
         assertFalse("Popup did not hide as expected.", popup.isShowing());
         assertEquals("Popup attempted to navigate to the wrong index", 5,
                 controller.mNavigatedIndex);
     }
 
 }