Improve the device type constants.

chrome/browser/intents/device_attached_intent_source.cc

Index: chrome/browser/intents/device_attached_intent_source.cc
diff --git a/chrome/browser/intents/device_attached_intent_source.cc b/chrome/browser/intents/device_attached_intent_source.cc
index 5cb5762417100d13e1aebaa1c312bb442dc3ea87..f80ee15ca91248757e0e87a6678ab1e0fd1dc5be 100644
--- a/chrome/browser/intents/device_attached_intent_source.cc
+++ b/chrome/browser/intents/device_attached_intent_source.cc
@@ -111,7 +111,7 @@ void DeviceAttachedIntentSource::OnRemovableStorageAttached(
   // TODO(kmadhusu): Handle all device types. http://crbug.com/140353.
   MediaStorageUtil::Type type;
   MediaStorageUtil::CrackDeviceId(id, &type, NULL);
-  if (type == MediaStorageUtil::USB_MTP)
+  if (type == MediaStorageUtil::MTP_OR_PTP)
     return;
   DCHECK(MediaStorageUtil::IsRemovableDevice(id));
 
@@ -166,7 +166,7 @@ void DeviceAttachedIntentSource::OnRemovableStorageDetached(
   // TODO(kmadhusu, vandebo): Clean up this code. http://crbug.com/140340.
   MediaStorageUtil::Type type;
   MediaStorageUtil::CrackDeviceId(it->second.device_id, &type, NULL);
-  if (type == MediaStorageUtil::USB_MTP) {
+  if (type == MediaStorageUtil::MTP_OR_PTP) {
     MediaDeviceMapService::GetInstance()->RemoveMediaDevice(
         it->second.location);
   }