Clear webapp storage when site data is cleared

chrome/browser/browsing_data/browsing_data_remover.cc

 // 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.
 
 #include "chrome/browser/browsing_data/browsing_data_remover.h"
 
 #include <map>
 #include <set>
 #include <string>
 
@@ skipping 53 matching lines @@
 #include "net/cookies/cookie_store.h"
 #include "net/http/transport_security_state.h"
 #include "net/ssl/channel_id_service.h"
 #include "net/ssl/channel_id_store.h"
 #include "net/url_request/url_request_context.h"
 #include "net/url_request/url_request_context_getter.h"
 #include "storage/browser/quota/special_storage_policy.h"
 #include "url/origin.h"
 
 #if defined(OS_ANDROID)
+#include "chrome/browser/android/webapps/webapp_registry.h"
 #include "chrome/browser/precache/precache_manager_factory.h"
 #include "components/precache/content/precache_manager.h"
 #endif
 
 #if defined(OS_CHROMEOS)
 #include "chrome/browser/chromeos/profiles/profile_helper.h"
 #include "chromeos/attestation/attestation_constants.h"
 #include "chromeos/dbus/cryptohome_client.h"
 #include "chromeos/dbus/dbus_thread_manager.h"
 #include "components/user_manager/user.h"
@@ skipping 669 matching lines @@
         mode = domain_reliability::CLEAR_BEACONS;
 
       waiting_for_clear_domain_reliability_monitor_ = true;
       service->ClearBrowsingData(
           mode,
           base::Bind(&BrowsingDataRemover::OnClearedDomainReliabilityMonitor,
                      base::Unretained(this)));
     }
   }
 
+#if defined(OS_ANDROID)
+  if (remove_mask & REMOVE_WEBAPP_DATA) {
+    waiting_for_clear_webapp_data_ = true;
+    BrowserThread::PostTask(
+        BrowserThread::IO,
+        FROM_HERE,
+        base::Bind(&WebappRegistry::CleanupWebappsOnIOThread,

[mlamouri (slow - plz ping), 2015/09/08 10:03:00]

nit: I would call the method ClearWebapps... or DeleteWebapps... or
UnregisterWebapps...

[Lalit Maganti, 2015/09/08 10:44:28]

Gone with Unregister to match Java.

+                   base::Bind(&BrowsingDataRemover::OnClearedWebappData,
+                              base::Unretained(this))));
+  }
+#endif
+
   // Record the combined deletion of cookies and cache.
   CookieOrCacheDeletionChoice choice = NEITHER_COOKIES_NOR_CACHE;
   if (remove_mask & REMOVE_COOKIES &&
       origin_type_mask_ & BrowsingDataHelper::UNPROTECTED_WEB) {
     choice = remove_mask & REMOVE_CACHE ? BOTH_COOKIES_AND_CACHE
                                         : ONLY_COOKIES;
   } else if (remove_mask & REMOVE_CACHE) {
     choice = ONLY_CACHE;
   }
 
@@ skipping 60 matching lines @@
          !waiting_for_clear_keyword_data_ &&
          !waiting_for_clear_nacl_cache_ &&
          !waiting_for_clear_network_predictor_ &&
          !waiting_for_clear_networking_history_ &&
          !waiting_for_clear_passwords_ &&
          !waiting_for_clear_platform_keys_ &&
          !waiting_for_clear_plugin_data_ &&
          !waiting_for_clear_pnacl_cache_ &&
 #if defined(OS_ANDROID)
          !waiting_for_clear_precache_history_ &&
+         !waiting_for_clear_webapp_data_ &&
 #endif
 #if defined(ENABLE_WEBRTC)
          !waiting_for_clear_webrtc_logs_ &&
 #endif
          !waiting_for_clear_storage_partition_data_;
 }
 
 void BrowsingDataRemover::OnKeywordsLoaded() {
   // Deletes the entries from the model, and if we're not waiting on anything
   // else notifies observers and deletes this BrowsingDataRemover.
@@ skipping 272 matching lines @@
   NotifyAndDeleteIfDone();
 }
 #endif
 
 #if defined(OS_ANDROID)
 void BrowsingDataRemover::OnClearedPrecacheHistory() {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   waiting_for_clear_precache_history_ = false;
   NotifyAndDeleteIfDone();
 }
+
+void BrowsingDataRemover::OnClearedWebappData() {
+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
+  waiting_for_clear_webapp_data_ = false;
+  NotifyAndDeleteIfDone();
+}
 #endif
 
 void BrowsingDataRemover::OnClearedDomainReliabilityMonitor() {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   waiting_for_clear_domain_reliability_monitor_ = false;
   NotifyAndDeleteIfDone();
 }
 
 // static
 BrowsingDataRemover::CallbackSubscription
     BrowsingDataRemover::RegisterOnBrowsingDataRemovedCallback(
         const BrowsingDataRemover::Callback& callback) {
   return GetOnBrowsingDataRemovedCallbacks()->Add(callback);
 }