Clean up potentially leaky use of base::DeletePointer.

ui/events/devices/device_data_manager.cc

Index: ui/events/devices/device_data_manager.cc
diff --git a/ui/events/devices/device_data_manager.cc b/ui/events/devices/device_data_manager.cc
index 628813a8905dfdddec07dd946af5c796cf85cfaf..ff59f5bbd2a3b03e08ad2179de15c4ee846937b4 100644
--- a/ui/events/devices/device_data_manager.cc
+++ b/ui/events/devices/device_data_manager.cc
@@ -28,8 +28,10 @@ DeviceDataManager::DeviceDataManager() {
   CHECK(!instance_) << "Can not create multiple instances of DeviceDataManager";
   instance_ = this;
 
+  scoped_ptr<DeviceDataManager> owned_instance(instance_);
   base::AtExitManager::RegisterTask(
-      base::Bind(&base::DeletePointer<DeviceDataManager>, this));
+      base::Bind(&base::DeletePointer<DeviceDataManager>,
+                 base::Passed(&owned_instance)));
 
   ClearTouchDeviceAssociations();
 }