ui: Fix cc/paint skia type mismatches

ui/native_theme/native_theme_win.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_NATIVE_THEME_NATIVE_THEME_WIN_H_
 #define UI_NATIVE_THEME_NATIVE_THEME_WIN_H_
 
 // A wrapper class for working with custom XP/Vista themes provided in
 // uxtheme.dll.  This is a singleton class that can be grabbed using
 // NativeThemeWin::instance().
@@ skipping 109 matching lines @@
  private:
   bool IsUsingHighContrastThemeInternal();
   void CloseHandlesInternal();
 
   // gfx::SysColorChangeListener implementation:
   void OnSysColorChange() override;
 
   // Update the locally cached set of system colors.
   void UpdateSystemColors();
 
-  // Painting functions that paint to SkCanvas.
-  void PaintMenuSeparator(SkCanvas* canvas, const gfx::Rect& rect) const;
-  void PaintMenuGutter(SkCanvas* canvas, const gfx::Rect& rect) const;
-  void PaintMenuBackground(SkCanvas* canvas, const gfx::Rect& rect) const;
+  // Painting functions that paint to PaintCanvas.
+  void PaintMenuSeparator(cc::PaintCanvas* canvas, const gfx::Rect& rect) const;
+  void PaintMenuGutter(cc::PaintCanvas* canvas, const gfx::Rect& rect) const;
+  void PaintMenuBackground(cc::PaintCanvas* canvas,
+                           const gfx::Rect& rect) const;
 
   // Paint directly to canvas' HDC.
   void PaintDirect(SkCanvas* destination_canvas,
                    HDC hdc,
                    Part part,
                    State state,
                    const gfx::Rect& rect,
                    const ExtraParams& extra) const;
 
   // Create a temporary HDC, paint to that, clean up the alpha values in the
   // temporary HDC, and then blit the result to canvas.  This is to work around
   // the fact that Windows XP and some classic themes give bogus alpha values.
-  void PaintIndirect(SkCanvas* destination_canvas,
+  void PaintIndirect(cc::PaintCanvas* destination_canvas,
                      Part part,
                      State state,
                      const gfx::Rect& rect,
                      const ExtraParams& extra) const;
 
   HRESULT GetThemePartSize(ThemeName themeName,
                            HDC hdc,
                            int part_id,
                            int state_id,
                            RECT* rect,
@@ skipping 213 matching lines @@
 
   // Is |is_using_high_contrast_| valid?
   mutable bool is_using_high_contrast_valid_;
 
   DISALLOW_COPY_AND_ASSIGN(NativeThemeWin);
 };
 
 }  // namespace ui
 
 #endif  // UI_NATIVE_THEME_NATIVE_THEME_WIN_H_