evdev: Factor common code out of key & touch converters

ui/events/ozone/evdev/key_event_converter.cc

Index: ui/events/ozone/evdev/key_event_converter.cc
diff --git a/ui/events/ozone/evdev/key_event_converter.cc b/ui/events/ozone/evdev/key_event_converter.cc
index 30fd476d2719a1663c6eb845c03947262135725b..52bc628c6aa8170e52131fd3c32c5d9eedfc7a06 100644
--- a/ui/events/ozone/evdev/key_event_converter.cc
+++ b/ui/events/ozone/evdev/key_event_converter.cc
@@ -187,28 +187,11 @@ bool IsLockButton(unsigned int code) { return code == KEY_CAPSLOCK; }
 KeyEventConverterEvdev::KeyEventConverterEvdev(int fd,
                                                base::FilePath path,
                                                EventModifiersEvdev* modifiers)
-    : fd_(fd), path_(path), modifiers_(modifiers) {
+    : EventConverterEvdev(fd, path, modifiers) {
   // TODO(spang): Initialize modifiers using EVIOCGKEY.
 }
 
-KeyEventConverterEvdev::~KeyEventConverterEvdev() {
-  if (fd_ >= 0 && close(fd_) < 0)
-    DLOG(WARNING) << "failed close on " << path_.value();
-}
-
-void KeyEventConverterEvdev::OnFileCanReadWithoutBlocking(int fd) {
-  input_event inputs[4];
-  ssize_t read_size = read(fd, inputs, sizeof(inputs));
-  if (read_size <= 0)
-    return;
-
-  CHECK_EQ(read_size % sizeof(*inputs), 0u);
-  ProcessEvents(inputs, read_size / sizeof(*inputs));
-}
-
-void KeyEventConverterEvdev::OnFileCanWriteWithoutBlocking(int fd) {
-  NOTREACHED();
-}
+KeyEventConverterEvdev::~KeyEventConverterEvdev() {}
 
 void KeyEventConverterEvdev::ProcessEvents(const input_event* inputs,
                                            int count) {