evdev: Only open /dev/input/event*[0-9] devices

We're not interested in compatibility devices like /dev/input/mice, so
don't open them.

Also, udevd creates temporary files named like <device>.udev-tmp, so only
match devices that end in a number.

Review URL: https://codereview.chromium.org/146823004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@247729 0039d316-1c4b-4281-b951-d872f2087c98

ui/events/ozone/evdev/event_factory.cc

@@ -80,8 +80,10 @@ void EventFactoryEvdev::AttachInputDevice(const base::FilePath& path) {
 void EventFactoryEvdev::StartProcessingEvents() {
   base::ThreadRestrictions::AssertIOAllowed();
 
-  base::FileEnumerator file_enum(
-      base::FilePath("/dev/input"), false, base::FileEnumerator::FILES);
+  base::FileEnumerator file_enum(base::FilePath("/dev/input"),
+                                 false,
+                                 base::FileEnumerator::FILES,
+                                 "event*[0-9]");
   for (base::FilePath path = file_enum.Next(); !path.empty();
        path = file_enum.Next())
     AttachInputDevice(path);