Before deleting a profile, cancel all in-progress downloads

chrome/browser/profiles/profile_manager.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/profiles/profile_manager.h"
 
 #include <set>
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/debug/trace_event.h"
 #include "base/deferred_sequenced_task_runner.h"
 #include "base/file_util.h"
 #include "base/files/file_enumerator.h"
 #include "base/files/file_path.h"
 #include "base/metrics/histogram.h"
 #include "base/prefs/pref_service.h"
 #include "base/prefs/scoped_user_pref_update.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/bookmarks/bookmark_model.h"
 #include "chrome/browser/bookmarks/bookmark_model_factory.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/content_settings/host_content_settings_map.h"
+#include "chrome/browser/download/download_service.h"
+#include "chrome/browser/download/download_service_factory.h"
 #include "chrome/browser/prefs/incognito_mode_prefs.h"
 #include "chrome/browser/profiles/bookmark_model_loaded_observer.h"
 #include "chrome/browser/profiles/profile_destroyer.h"
 #include "chrome/browser/profiles/profile_info_cache.h"
 #include "chrome/browser/profiles/profile_metrics.h"
 #include "chrome/browser/profiles/profiles_state.h"
 #include "chrome/browser/profiles/startup_task_runner_service.h"
 #include "chrome/browser/profiles/startup_task_runner_service_factory.h"
 #include "chrome/browser/signin/account_reconcilor_factory.h"
 #include "chrome/browser/sync/profile_sync_service.h"
@@ skipping 588 matching lines @@
 }
 
 ProfileShortcutManager* ProfileManager::profile_shortcut_manager() {
   return profile_shortcut_manager_.get();
 }
 
 void ProfileManager::ScheduleProfileForDeletion(
     const base::FilePath& profile_dir,
     const CreateCallback& callback) {
   DCHECK(profiles::IsMultipleProfilesEnabled());
+
+  // Cancel all in-progress downloads before deleting the profile to prevent a
+  // "Do you want to exit Google Chrome and cancel the downloads?" prompt
+  // (crbug.com/336725).
+  Profile* profile = GetProfileByPath(profile_dir);
+  if (profile) {
+    DownloadService* service =
+        DownloadServiceFactory::GetForBrowserContext(profile);
+    service->CancelDownloads();
+  }
+
   PrefService* local_state = g_browser_process->local_state();
   ProfileInfoCache& cache = GetProfileInfoCache();
 
   if (profile_dir.BaseName().MaybeAsASCII() ==
       local_state->GetString(prefs::kProfileLastUsed)) {
     // Update the last used profile pref before closing browser windows. This
     // way the correct last used profile is set for any notification observers.
     base::FilePath last_non_managed_profile_path;
     for (size_t i = 0; i < cache.GetNumberOfProfiles(); ++i) {
       base::FilePath cur_path = cache.GetPathOfProfileAtIndex(i);
@@ skipping 419 matching lines @@
   return true;
 }
 
 void ProfileManager::FinishDeletingProfile(const base::FilePath& profile_dir) {
   ProfileInfoCache& cache = GetProfileInfoCache();
   // TODO(sail): Due to bug 88586 we don't delete the profile instance. Once we
   // start deleting the profile instance we need to close background apps too.
   Profile* profile = GetProfileByPath(profile_dir);
 
   if (profile) {
+    // By this point, all in-progress downloads for the profile being deleted
+    // must have been canceled (crbug.com/336725).
+    DCHECK(DownloadServiceFactory::GetForBrowserContext(profile)->
+           NonMaliciousDownloadCount() == 0);
     BrowserList::CloseAllBrowsersWithProfile(profile);
 
     // Disable sync for doomed profile.
     if (ProfileSyncServiceFactory::GetInstance()->HasProfileSyncService(
         profile)) {
       ProfileSyncServiceFactory::GetInstance()->GetForProfile(
           profile)->DisableForUser();
     }
   }
 
@@ skipping 182 matching lines @@
           last_non_managed_profile_path.BaseName().MaybeAsASCII());
       FinishDeletingProfile(profile_to_delete_path);
     }
   }
 }
 #endif
 
 ProfileManagerWithoutInit::ProfileManagerWithoutInit(
     const base::FilePath& user_data_dir) : ProfileManager(user_data_dir) {
 }