AppCaches which belong to hosted apps are not protected from deletion

chrome/browser/browsing_data_remover.cc

 // Copyright (c) 2011 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_remover.h"
 
 #include <map>
 #include <set>
 
 #include "base/callback.h"
@@ skipping 49 matching lines @@
                                          base::Time delete_begin,
                                          base::Time delete_end)
     : profile_(profile),
       special_storage_policy_(profile->GetExtensionSpecialStoragePolicy()),
       delete_begin_(delete_begin),
       delete_end_(delete_end),
       ALLOW_THIS_IN_INITIALIZER_LIST(database_cleared_callback_(
           this, &BrowsingDataRemover::OnClearedDatabases)),
       ALLOW_THIS_IN_INITIALIZER_LIST(cache_callback_(
           this, &BrowsingDataRemover::DoClearCache)),
-      ALLOW_THIS_IN_INITIALIZER_LIST(appcache_got_info_callback_(
-          this, &BrowsingDataRemover::OnGotAppCacheInfo)),
-      ALLOW_THIS_IN_INITIALIZER_LIST(appcache_deleted_callback_(
-          this, &BrowsingDataRemover::OnAppCacheDeleted)),
-      appcaches_to_be_deleted_count_(0),
+      ALLOW_THIS_IN_INITIALIZER_LIST(appcache_cleared_callback_(
+          this, &BrowsingDataRemover::OnClearedAppCache)),
       next_cache_state_(STATE_NONE),
       cache_(NULL),
       main_context_getter_(profile->GetRequestContext()),
       media_context_getter_(profile->GetRequestContextForMedia()),
       waiting_for_clear_databases_(false),
       waiting_for_clear_history_(false),
       waiting_for_clear_networking_history_(false),
       waiting_for_clear_cache_(false),
       waiting_for_clear_appcache_(false),
       waiting_for_clear_gears_data_(false),
       waiting_for_clear_file_systems_(false) {
   DCHECK(profile);
 }
 
 BrowsingDataRemover::BrowsingDataRemover(Profile* profile,
                                          TimePeriod time_period,
                                          base::Time delete_end)
     : profile_(profile),
       special_storage_policy_(profile->GetExtensionSpecialStoragePolicy()),
       delete_begin_(CalculateBeginDeleteTime(time_period)),
       delete_end_(delete_end),
       ALLOW_THIS_IN_INITIALIZER_LIST(database_cleared_callback_(
           this, &BrowsingDataRemover::OnClearedDatabases)),
       ALLOW_THIS_IN_INITIALIZER_LIST(cache_callback_(
           this, &BrowsingDataRemover::DoClearCache)),
-      ALLOW_THIS_IN_INITIALIZER_LIST(appcache_got_info_callback_(
-          this, &BrowsingDataRemover::OnGotAppCacheInfo)),
-      ALLOW_THIS_IN_INITIALIZER_LIST(appcache_deleted_callback_(
-          this, &BrowsingDataRemover::OnAppCacheDeleted)),
-      appcaches_to_be_deleted_count_(0),
+      ALLOW_THIS_IN_INITIALIZER_LIST(appcache_cleared_callback_(
+          this, &BrowsingDataRemover::OnClearedAppCache)),
       next_cache_state_(STATE_NONE),
       cache_(NULL),
       main_context_getter_(profile->GetRequestContext()),
       media_context_getter_(profile->GetRequestContextForMedia()),
       waiting_for_clear_databases_(false),
       waiting_for_clear_history_(false),
       waiting_for_clear_networking_history_(false),
       waiting_for_clear_cache_(false),
       waiting_for_clear_appcache_(false),
       waiting_for_clear_lso_data_(false),
@@ skipping 392 matching lines @@
 
 void BrowsingDataRemover::ClearDatabasesOnFILEThread() {
   // This function should be called on the FILE thread.
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
   int rv = database_tracker_->DeleteDataModifiedSince(
       delete_begin_, &database_cleared_callback_);
   if (rv != net::ERR_IO_PENDING)
     OnClearedDatabases(rv);
 }
 
-void BrowsingDataRemover::OnClearedAppCache() {
+void BrowsingDataRemover::OnClearedAppCache(int rv) {
   if (!BrowserThread::CurrentlyOn(BrowserThread::UI)) {
     bool result = BrowserThread::PostTask(
         BrowserThread::UI, FROM_HERE,
-        NewRunnableMethod(this, &BrowsingDataRemover::OnClearedAppCache));
+        NewRunnableMethod(this, &BrowsingDataRemover::OnClearedAppCache, rv));
     DCHECK(result);
     return;
   }
   waiting_for_clear_appcache_ = false;
   NotifyAndDeleteIfDone();
 }
 
 void BrowsingDataRemover::ClearAppCacheOnIOThread() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
   DCHECK(waiting_for_clear_appcache_);
-  appcache_info_ = new appcache::AppCacheInfoCollection;
-  appcache_service_->GetAllAppCacheInfo(
-      appcache_info_, &appcache_got_info_callback_);
-  // continues in OnGotAppCacheInfo.
-}
-
-void BrowsingDataRemover::OnGotAppCacheInfo(int rv) {
-  using appcache::AppCacheInfoVector;
-  typedef std::map<GURL, AppCacheInfoVector> InfoByOrigin;
-
-  for (InfoByOrigin::const_iterator origin =
-           appcache_info_->infos_by_origin.begin();
-       origin != appcache_info_->infos_by_origin.end(); ++origin) {
-    if (special_storage_policy_->IsStorageProtected(origin->first))
-      continue;
-    for (AppCacheInfoVector::const_iterator info = origin->second.begin();
-         info != origin->second.end(); ++info) {
-      if (info->creation_time > delete_begin_) {
-        ++appcaches_to_be_deleted_count_;
-        appcache_service_->DeleteAppCacheGroup(
-            info->manifest_url, &appcache_deleted_callback_);
-      }
-    }
-  }
-
-  if (!appcaches_to_be_deleted_count_)
-    OnClearedAppCache();
-  // else continues in OnAppCacheDeleted
-}
-
-void BrowsingDataRemover::OnAppCacheDeleted(int rv) {
-  --appcaches_to_be_deleted_count_;
-  if (!appcaches_to_be_deleted_count_)
-    OnClearedAppCache();
+  appcache_service_->ClearAppCache(&appcache_cleared_callback_);
+  // Continues in OnClearedAppCache.
 }
 
 void BrowsingDataRemover::ClearFileSystemsOnFILEThread() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
   DCHECK(waiting_for_clear_file_systems_);
   scoped_refptr<fileapi::FileSystemContext>
       fs_context(profile_->GetFileSystemContext());
   scoped_ptr<fileapi::SandboxMountPointProvider::OriginEnumerator>
       origin_enumerator(fs_context->path_manager()->sandbox_provider()->
           CreateOriginEnumerator());
@@ skipping 50 matching lines @@
 
   ClearGearsData(profile_dir);
   OnClearedGearsData();
 }
 
 void BrowsingDataRemover::OnWaitableEventSignaled(
     base::WaitableEvent* waitable_event) {
   waiting_for_clear_lso_data_ = false;
   NotifyAndDeleteIfDone();
 }