Refactor ozone drm cursor code for mojo

ui/events/ozone/evdev/event_converter_evdev_impl_unittest.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ui/events/ozone/evdev/event_converter_evdev_impl.h"
 
 #include <linux/input.h>
 
 #include <memory>
 #include <utility>
@@ skipping 55 matching lines @@
   }
   void MoveCursor(const gfx::Vector2dF& delta) override {
     cursor_location_ = gfx::PointF(delta.x(), delta.y());
   }
   bool IsCursorVisible() override { return 1; }
   gfx::Rect GetCursorConfinedBounds() override {
     NOTIMPLEMENTED();
     return gfx::Rect();
   }
   gfx::PointF GetLocation() override { return cursor_location_; }
-
+  void InitializeOnEvdev() override {}
  private:
   // The location of the mock cursor.
   gfx::PointF cursor_location_;
 
   DISALLOW_COPY_AND_ASSIGN(MockCursorEvdev);
 };
 
 }  // namespace ui
 
 // Test fixture.
@@ skipping 572 matching lines @@
   dev->SetKeyFilter(true /* enable_filter */, allowed_keys);
   ASSERT_EQ(1u, size());
   event = dispatched_event(0);
   EXPECT_EQ(ui::ET_KEY_RELEASED, event->type());
 
   // The real key release should be dropped, whenever it comes.
   ClearDispatchedEvents();
   dev->ProcessEvents(key_release, arraysize(key_release));
   ASSERT_EQ(0u, size());
 }