[Offline Pages] Clear offline pages when user clears cache.

chrome/browser/browsing_data/browsing_data_remover.h

 // Copyright (c) 2012 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.
 
 #ifndef CHROME_BROWSER_BROWSING_DATA_BROWSING_DATA_REMOVER_H_
 #define CHROME_BROWSER_BROWSING_DATA_BROWSING_DATA_REMOVER_H_
 
 #include <stdint.h>
 
 #include <set>
@@ skipping 117 matching lines @@
                        REMOVE_INDEXEDDB |
                        REMOVE_LOCAL_STORAGE |
                        REMOVE_PLUGIN_DATA |
                        REMOVE_SERVICE_WORKERS |
                        REMOVE_CACHE_STORAGE |
                        REMOVE_WEBSQL |
                        REMOVE_CHANNEL_IDS |
                        REMOVE_SITE_USAGE_DATA |
 #if BUILDFLAG(ANDROID_JAVA_UI)
                        REMOVE_WEBAPP_DATA |
-                       REMOVE_OFFLINE_PAGE_DATA |

[fgorski, 2016/05/13 16:14:57]

So we are never setting this one?

That is OK, provided you add a comment next to the definition of this enum
saying that it is superseded by REMOVE_CACHE for the time being.

[romax, 2016/05/13 17:50:01]

yes we'll not set this one, instead we use REMOVE_CACHE. Added comments above
the enum to explain.

 #endif
                        REMOVE_WEBRTC_IDENTITY,
 
     // Includes all the available remove options. Meant to be used by clients
     // that wish to wipe as much data as possible from a Profile, to make it
     // look like a new Profile.
     REMOVE_ALL = REMOVE_SITE_DATA | REMOVE_CACHE | REMOVE_DOWNLOADS |
                  REMOVE_FORM_DATA |
                  REMOVE_HISTORY |
                  REMOVE_PASSWORDS |
@@ skipping 369 matching lines @@
   // not initialised, so the registry must be mocked out.
   std::unique_ptr<WebappRegistry> webapp_registry_;
 #endif
 
   base::WeakPtrFactory<BrowsingDataRemover> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowsingDataRemover);
 };
 
 #endif  // CHROME_BROWSER_BROWSING_DATA_BROWSING_DATA_REMOVER_H_