[Offline pages] Clean up unnecessary DeleteAll calls in offline internals

chrome/browser/resources/offline_pages/offline_internals_browser_proxy.js

 // 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.
 
 /**
  * @typedef {{
  *   onlineUrl: string,
  *   creationTime: number,
  *   id: string,
  *   namespace: string,
@@ skipping 39 matching lines @@
     getStoredPages: function() {},
 
     /**
      * Gets current offline queue requests.
      * @return {!Promise<!Array<SavePageRequest>>} A promise firing when the
      *     request queue is fetched.
      */
     getRequestQueue: function() {},
 
     /**
-     * Deletes all the pages in stored pages.
-     * @return {!Promise<!string>} A promise firing when the pages are deleted.
-     */
-    deleteAllPages: function() {},
-
-    /**
      * Deletes a set of pages from stored pages
      * @param {!Array<string>} ids A list of page IDs to delete.
      * @return {!Promise<!string>} A promise firing when the selected
      *     pages are deleted.
      */
     deleteSelectedPages: function(ids) {},
 
     /**
-     * Deletes all the requests from the request queue.
-     * @return {!Promise<!string>} A promise firing when the pages are deleted.
-     */
-    deleteAllRequests: function() {},
-
-    /**
      * Deletes a set of requests from the request queue
      * @param {!Array<string>} ids A list of request IDs to delete.
      * @return {!Promise<!string>} A promise firing when the selected
      *     pages are deleted.
      */
     deleteSelectedRequests: function(ids) {},
 
     /**
      * Sets whether to record logs for stored pages.
      * @param {boolean} shouldLog True if logging should be enabled.
@@ skipping 48 matching lines @@
     getStoredPages: function() {
       return cr.sendWithPromise('getStoredPages');
     },
 
     /** @override */
     getRequestQueue: function() {
       return cr.sendWithPromise('getRequestQueue');
     },
 
     /** @override */
-    deleteAllPages: function() {
-      return cr.sendWithPromise('deleteAllPages');
-    },
-
-    /** @override */
     deleteSelectedPages: function(ids) {
       return cr.sendWithPromise('deleteSelectedPages', ids);
     },
 
     /** @override */
-    deleteAllRequests: function() {
-      return cr.sendWithPromise('deleteAllRequests');
-    },
-
-    /** @override */
     deleteSelectedRequests: function(ids) {
       return cr.sendWithPromise('deleteSelectedRequests', ids);
     },
 
     /** @override */
     setRecordPageModel: function(shouldLog) {
       chrome.send('setRecordPageModel', [shouldLog]);
     },
 
     /** @override */
@@ skipping 20 matching lines @@
     getNetworkStatus: function() {
       return cr.sendWithPromise('getNetworkStatus');
     },
   };
 
   return {
     OfflineInternalsBrowserProxy: OfflineInternalsBrowserProxy,
     OfflineInternalsBrowserProxyImpl: OfflineInternalsBrowserProxyImpl
   };
 });