Revert 170660

chrome/browser/sync/test/integration/apps_helper.cc

Index: chrome/browser/sync/test/integration/apps_helper.cc
===================================================================
--- chrome/browser/sync/test/integration/apps_helper.cc	(revision 170888)
+++ chrome/browser/sync/test/integration/apps_helper.cc	(working copy)
@@ -6,14 +6,11 @@
 
 #include "base/logging.h"
 #include "base/string_number_conversions.h"
-#include "chrome/browser/extensions/extension_process_manager.h"
-#include "chrome/browser/extensions/extension_system.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/sync/test/integration/sync_app_helper.h"
 #include "chrome/browser/sync/test/integration/sync_datatype_helper.h"
 #include "chrome/browser/sync/test/integration/sync_extension_helper.h"
 #include "chrome/common/extensions/extension.h"
-#include "content/public/test/test_utils.h"
 
 using sync_datatype_helper::test;
 
@@ -23,19 +20,6 @@
   return "fakeapp" + base::IntToString(index);
 }
 
-void WaitForPlatformAppsToUnloadForProfile(Profile* profile) {
-  // Note this will hang if there are extensions with persistent background
-  // pages loaded.
-  ExtensionProcessManager* pm =
-      extensions::ExtensionSystem::Get(profile)->process_manager();
-  while (!pm->background_hosts().empty()) {
-    content::WindowedNotificationObserver destroyed_observer(
-        chrome::NOTIFICATION_EXTENSION_HOST_DESTROYED,
-        content::NotificationService::AllSources());
-    destroyed_observer.Wait();
-  }
-}
-
 }  // namespace
 
 namespace apps_helper {
@@ -142,13 +126,4 @@
   SyncAppHelper::GetInstance()->FixNTPOrdinalCollisions(profile);
 }
 
-void WaitForPlatformAppsToUnload() {
-  // First run any pending tasks to allow any about to load background
-  // pages to load.
-  MessageLoop::current()->RunUntilIdle();
-  for (int i = 0; i < test()->num_clients(); ++i)
-    WaitForPlatformAppsToUnloadForProfile(test()->GetProfile(i));
-  WaitForPlatformAppsToUnloadForProfile(test()->verifier());
-}
-
 }  // namespace apps_helper