Only use skia::RefPtr for refcounting

ui/gfx/render_text.h

 // Copyright (c) 2012 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_GFX_RENDER_TEXT_H_
 #define UI_GFX_RENDER_TEXT_H_
 
 #include <algorithm>
 #include <cstring>
 #include <string>
 #include <utility>
 #include <vector>
 
 #include "base/gtest_prod_util.h"
 #include "base/i18n/rtl.h"
 #include "base/string16.h"
+#include "skia/ext/refptr.h"
 #include "third_party/skia/include/core/SkColor.h"
 #include "third_party/skia/include/core/SkPaint.h"
 #include "third_party/skia/include/core/SkRect.h"
 #include "ui/base/range/range.h"
 #include "ui/gfx/break_list.h"
 #include "ui/gfx/font_list.h"
 #include "ui/gfx/point.h"
 #include "ui/gfx/rect.h"
 #include "ui/gfx/selection_model.h"
 #include "ui/gfx/shadow_value.h"
@@ skipping 42 matching lines @@
                        bool diagonal_strike);
   void DrawUnderline(int x, int y, int width);
   void DrawStrike(int x, int y, int width) const;
   void DrawDiagonalStrike(int x, int y, int width) const;
 
  private:
   SkCanvas* canvas_skia_;
   bool started_drawing_;
   SkPaint paint_;
   SkRect bounds_;
-  SkRefPtr<SkShader> deferred_fade_shader_;
+  skia::RefPtr<SkShader> deferred_fade_shader_;
   SkScalar underline_thickness_;
   SkScalar underline_position_;
 
   DISALLOW_COPY_AND_ASSIGN(SkiaTextRenderer);
 };
 
 // Internal helper class used by derived classes to iterate colors and styles.
 class StyleIterator {
  public:
   StyleIterator(const BreakList<SkColor>& colors,
@@ skipping 457 matching lines @@
 
   // Text shadows to be drawn.
   ShadowValues text_shadows_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderText);
 };
 
 }  // namespace gfx
 
 #endif  // UI_GFX_RENDER_TEXT_H_