Extract touchscreen device management into a generic manager

chrome/browser/sync/sessions/sessions_sync_manager_unittest.cc

Index: chrome/browser/sync/sessions/sessions_sync_manager_unittest.cc
diff --git a/chrome/browser/sync/sessions/sessions_sync_manager_unittest.cc b/chrome/browser/sync/sessions/sessions_sync_manager_unittest.cc
index 74adf5239b36a7d80af9b238b6010361d6303487..a2587ca4cfffe3269aabf5c90687497b4c14c9db 100644
--- a/chrome/browser/sync/sessions/sessions_sync_manager_unittest.cc
+++ b/chrome/browser/sync/sessions/sessions_sync_manager_unittest.cc
@@ -4,6 +4,7 @@
 
 #include "chrome/browser/sync/sessions/sessions_sync_manager.h"
 
+#include "base/at_exit.h"
 #include "base/strings/string_util.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/sessions/session_id.h"
@@ -234,6 +235,7 @@ class SessionsSyncManagerTest
   SessionsSyncManagerTest() : test_processor_(NULL) {}
 
   virtual void SetUp() OVERRIDE {
+    at_exit_.reset(new base::ShadowingAtExitManager());
     BrowserWithTestWindowTest::SetUp();
     browser_sync::NotificationServiceSessionsRouter* router(
         new browser_sync::NotificationServiceSessionsRouter(
@@ -247,6 +249,7 @@ class SessionsSyncManagerTest
     helper()->Reset();
     manager_.reset();
     BrowserWithTestWindowTest::TearDown();
+    at_exit_.reset();
   }
 
   virtual scoped_ptr<DeviceInfo> GetLocalDeviceInfo() const OVERRIDE {
@@ -310,6 +313,7 @@ class SessionsSyncManagerTest
   }
 
  private:
+  scoped_ptr<base::ShadowingAtExitManager> at_exit_;
   scoped_ptr<SessionsSyncManager> manager_;
   SessionSyncTestHelper helper_;
   TestSyncProcessorStub* test_processor_;