Eliminate skia::PlatformCanvas - Step 1

ui/gfx/native_theme_win.h

 // Copyright (c) 2011 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.
 //
 // 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().
 // For more information on visual style parts and states, see:
 // http://msdn.microsoft.com/library/default.asp?url=/library/en-us/shellcc/platform/commctls/userex/topics/partsandstates.asp
 
 #ifndef UI_GFX_NATIVE_THEME_WIN_H_
 #define UI_GFX_NATIVE_THEME_WIN_H_
 #pragma once
 
 #include "ui/gfx/native_theme.h"
 #include "ui/gfx/size.h"
 #include <windows.h>
 #include <uxtheme.h>
 #include "base/basictypes.h"
 #include "third_party/skia/include/core/SkColor.h"
 
-namespace skia {
-class PlatformCanvas;
-}  // namespace skia
+class SkCanvas;
 
 namespace gfx {
 
 // Windows implementation of native theme class.
 //
 // At the moment, this class in in transition from an older API that consists
 // of several PaintXXX methods to an API, inherited from the NativeTheme base
 // class, that consists of a single Paint() method with a argument to indicate
 // what kind of part to paint.
 class NativeThemeWin : public NativeTheme {
@@ skipping 211 matching lines @@
   // This method is deprecated and will be removed in the near future.
   // Paints a scrollbar track section.  |align_rect| is only used in classic
   // mode, and makes sure the checkerboard pattern in |target_rect| is aligned
   // with one presumed to be in |align_rect|.
   HRESULT PaintScrollbarTrack(HDC hdc,
                               int part_id,
                               int state_id,
                               int classic_state,
                               RECT* target_rect,
                               RECT* align_rect,
-                              skia::PlatformCanvas* canvas) const;
+                              SkCanvas* canvas) const;
 
   // This method is deprecated and will be removed in the near future.
   // Paints a scrollbar thumb or gripper.
   HRESULT PaintScrollbarThumb(HDC hdc,
                               int part_id,
                               int state_id,
                               int classic_state,
                               RECT* rect) const;
 
   // This method is deprecated and will be removed in the near future.
@@ skipping 22 matching lines @@
                          COLORREF color,
                          bool fill_content_area,
                          bool draw_edges) const;
 
   // This method is deprecated and will be removed in the near future.
   HRESULT PaintTrackbar(HDC hdc,
                         int part_id,
                         int state_id,
                         int classic_state,
                         RECT* rect,
-                        skia::PlatformCanvas* canvas) const;
+                        SkCanvas* canvas) const;
 
   // This method is deprecated and will be removed in the near future.
   HRESULT PaintProgressBar(HDC hdc,
                            RECT* bar_rect,
                            RECT* value_rect,
                            bool determinate,
                            double animated_seconds,
-                           skia::PlatformCanvas* canvas) const;
+                           SkCanvas* canvas) const;
 
  private:
   NativeThemeWin();
   ~NativeThemeWin();
 
   // NativeTheme Implementation:
   virtual gfx::Size GetPartSize(Part part) const;
   virtual void Paint(skia::PlatformCanvas* canvas,
                      Part part,
                      State state,
@@ skipping 62 matching lines @@
 
   // A cache of open theme handles.
   mutable HANDLE theme_handles_[LAST];
 
   DISALLOW_COPY_AND_ASSIGN(NativeThemeWin);
 };
 
 }  // namespace gfx
 
 #endif  // UI_GFX_NATIVE_THEME_WIN_H_