Remove all uses of skia::RefPtr and stale includes

ui/ozone/public/surface_ozone_canvas.h

 // 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.
 
 #ifndef UI_OZONE_PUBLIC_SURFACE_OZONE_CANVAS_H_
 #define UI_OZONE_PUBLIC_SURFACE_OZONE_CANVAS_H_
 
 #include <memory>
 
-#include "skia/ext/refptr.h"
+#include "third_party/skia/include/core/SkRefCnt.h"
 #include "ui/ozone/ozone_base_export.h"
 
 class SkSurface;
 
 namespace gfx {
 class Size;
 class VSyncProvider;
 }
 
 namespace ui {
@@ skipping 26 matching lines @@
   // called after we have entered the sandbox so if there are operations (e.g.
   // opening a file descriptor providing vsync events) that must be done
   // outside of the sandbox, they must have been completed in
   // InitializeHardware. Returns an empty scoped_ptr on error.
   virtual std::unique_ptr<gfx::VSyncProvider> CreateVSyncProvider() = 0;
 };
 
 }  // namespace ui
 
 #endif  // UI_OZONE_PUBLIC_SURFACE_OZONE_CANVAS_H_