Refactor ozone drm cursor code for mojo

ui/ozone/platform/drm/host/drm_gpu_platform_support_host.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/ozone/platform/drm/host/drm_gpu_platform_support_host.h"
 
 #include <stddef.h>
 
 #include "base/trace_event/trace_event.h"
 #include "ui/ozone/common/gpu/ozone_gpu_message_params.h"
@@ skipping 15 matching lines @@
   CursorIPC(scoped_refptr<base::SingleThreadTaskRunner> send_runner,
             const base::Callback<void(IPC::Message*)>& send_callback);
   ~CursorIPC() override;
 
   // DrmCursorProxy implementation.
   void CursorSet(gfx::AcceleratedWidget window,
                  const std::vector<SkBitmap>& bitmaps,
                  const gfx::Point& point,
                  int frame_delay_ms) override;
   void Move(gfx::AcceleratedWidget window, const gfx::Point& point) override;
+  void InitializeOnEvdev() override;
 
  private:
   bool IsConnected();
   void Send(IPC::Message* message);
 
   scoped_refptr<base::SingleThreadTaskRunner> send_runner_;
   base::Callback<void(IPC::Message*)> send_callback_;
 
   DISALLOW_COPY_AND_ASSIGN(CursorIPC);
 };
@@ skipping 12 matching lines @@
                           const std::vector<SkBitmap>& bitmaps,
                           const gfx::Point& point,
                           int frame_delay_ms) {
   Send(new OzoneGpuMsg_CursorSet(window, bitmaps, point, frame_delay_ms));
 }
 
 void CursorIPC::Move(gfx::AcceleratedWidget window, const gfx::Point& point) {
   Send(new OzoneGpuMsg_CursorMove(window, point));
 }
 
+void CursorIPC::InitializeOnEvdev() {}
+
 void CursorIPC::Send(IPC::Message* message) {
   if (IsConnected() &&
       send_runner_->PostTask(FROM_HERE, base::Bind(send_callback_, message)))
     return;
 
   // Drop disconnected updates. DrmWindowHost will call
   // CommitBoundsChange() when we connect to initialize the cursor
   // location.
   delete message;
 }
@@ skipping 230 matching lines @@
   return Send(new OzoneGpuMsg_CreateWindow(widget));
 }
 
 bool DrmGpuPlatformSupportHost::GpuWindowBoundsChanged(
     gfx::AcceleratedWidget widget,
     const gfx::Rect& bounds) {
   return Send(new OzoneGpuMsg_WindowBoundsChanged(widget, bounds));
 }
 
 }  // namespace ui