[NOT FOR COMMIT] Fully replace SkCanvas uses.

ui/native_theme/native_theme_base.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_BASE_H_
 #define UI_NATIVE_THEME_NATIVE_THEME_BASE_H_
 
 #include <memory>
 
 #include "base/compiler_specific.h"
 #include "base/gtest_prod_util.h"
 #include "base/macros.h"
 #include "skia/ext/platform_canvas.h"
 #include "ui/native_theme/native_theme.h"
 
 namespace gfx {
 class Rect;
 class Size;
 }
 
 namespace ui {
 
 // Theme support for non-Windows toolkits.
 class NATIVE_THEME_EXPORT NativeThemeBase : public NativeTheme {
  public:
   // NativeTheme implementation:
   gfx::Size GetPartSize(Part part,
                         State state,
                         const ExtraParams& extra) const override;
-  void Paint(SkCanvas* canvas,
+  void Paint(CdlCanvas* canvas,
              Part part,
              State state,
              const gfx::Rect& rect,
              const ExtraParams& extra) const override;
 
  protected:
   NativeThemeBase();
   ~NativeThemeBase() override;
 
   // Draw the arrow. Used by scrollbar and inner spin button.
-  virtual void PaintArrowButton(
-      SkCanvas* gc,
-      const gfx::Rect& rect,
-      Part direction,
-      State state) const;
+  virtual void PaintArrowButton(CdlCanvas* gc,
+                                const gfx::Rect& rect,
+                                Part direction,
+                                State state) const;
   // Paint the scrollbar track. Done before the thumb so that it can contain
   // alpha.
   virtual void PaintScrollbarTrack(
-      SkCanvas* canvas,
+      CdlCanvas* canvas,
       Part part,
       State state,
       const ScrollbarTrackExtraParams& extra_params,
       const gfx::Rect& rect) const;
   // Draw the scrollbar thumb over the track.
   virtual void PaintScrollbarThumb(
-      SkCanvas* canvas,
+      CdlCanvas* canvas,
       Part part,
       State state,
       const gfx::Rect& rect,
       NativeTheme::ScrollbarOverlayColorTheme theme) const;
 
-  virtual void PaintScrollbarCorner(SkCanvas* canvas,
+  virtual void PaintScrollbarCorner(CdlCanvas* canvas,
                                     State state,
                                     const gfx::Rect& rect) const;
 
-  virtual void PaintCheckbox(
-      SkCanvas* canvas,
-      State state,
-      const gfx::Rect& rect,
-      const ButtonExtraParams& button) const;
+  virtual void PaintCheckbox(CdlCanvas* canvas,
+                             State state,
+                             const gfx::Rect& rect,
+                             const ButtonExtraParams& button) const;
 
-  virtual void PaintRadio(
-      SkCanvas* canvas,
-      State state,
-      const gfx::Rect& rect,
-      const ButtonExtraParams& button) const;
+  virtual void PaintRadio(CdlCanvas* canvas,
+                          State state,
+                          const gfx::Rect& rect,
+                          const ButtonExtraParams& button) const;
 
-  virtual void PaintButton(
-      SkCanvas* canvas,
-      State state,
-      const gfx::Rect& rect,
-      const ButtonExtraParams& button) const;
+  virtual void PaintButton(CdlCanvas* canvas,
+                           State state,
+                           const gfx::Rect& rect,
+                           const ButtonExtraParams& button) const;
 
-  virtual void PaintTextField(
-      SkCanvas* canvas,
-      State state,
-      const gfx::Rect& rect,
-      const TextFieldExtraParams& text) const;
+  virtual void PaintTextField(CdlCanvas* canvas,
+                              State state,
+                              const gfx::Rect& rect,
+                              const TextFieldExtraParams& text) const;
 
-  virtual void PaintMenuList(
-      SkCanvas* canvas,
-      State state,
-      const gfx::Rect& rect,
-      const MenuListExtraParams& menu_list) const;
+  virtual void PaintMenuList(CdlCanvas* canvas,
+                             State state,
+                             const gfx::Rect& rect,
+                             const MenuListExtraParams& menu_list) const;
 
   virtual void PaintMenuPopupBackground(
-      SkCanvas* canvas,
+      CdlCanvas* canvas,
       const gfx::Size& size,
       const MenuBackgroundExtraParams& menu_background) const;
 
   virtual void PaintMenuItemBackground(
-      SkCanvas* canvas,
+      CdlCanvas* canvas,
       State state,
       const gfx::Rect& rect,
       const MenuItemExtraParams& menu_item) const;
 
-  virtual void PaintSliderTrack(
-      SkCanvas* canvas,
-      State state,
-      const gfx::Rect& rect,
-      const SliderExtraParams& slider) const;
+  virtual void PaintSliderTrack(CdlCanvas* canvas,
+                                State state,
+                                const gfx::Rect& rect,
+                                const SliderExtraParams& slider) const;
 
-  virtual void PaintSliderThumb(
-      SkCanvas* canvas,
-      State state,
-      const gfx::Rect& rect,
-      const SliderExtraParams& slider) const;
+  virtual void PaintSliderThumb(CdlCanvas* canvas,
+                                State state,
+                                const gfx::Rect& rect,
+                                const SliderExtraParams& slider) const;
 
   virtual void PaintInnerSpinButton(
-      SkCanvas* canvas,
+      CdlCanvas* canvas,
       State state,
       const gfx::Rect& rect,
       const InnerSpinButtonExtraParams& spin_button) const;
 
   virtual void PaintProgressBar(
-      SkCanvas* canvas,
+      CdlCanvas* canvas,
       State state,
       const gfx::Rect& rect,
       const ProgressBarExtraParams& progress_bar) const;
 
   // Shrinks checkbox/radio button rect, if necessary, to make room for padding
   // and drop shadow.
   // TODO(mohsen): This is needed because checkboxes/radio buttons on Android
   // have different padding from those on desktop Chrome. Get rid of this when
   // crbug.com/530746 is resolved.
   virtual void AdjustCheckboxRadioRectForPadding(SkRect* rect) const;
 
   void set_scrollbar_button_length(int length) {
     scrollbar_button_length_ = length;
   }
   int scrollbar_button_length() const { return scrollbar_button_length_; }
 
   SkColor SaturateAndBrighten(SkScalar* hsv,
                               SkScalar saturate_amount,
                               SkScalar brighten_amount) const;
 
   // Paints the arrow used on the scrollbar and spinner.
-  void PaintArrow(SkCanvas* canvas,
+  void PaintArrow(CdlCanvas* canvas,
                   const gfx::Rect& rect,
                   Part direction,
                   SkColor color) const;
 
   // Returns the color used to draw the arrow.
   SkColor GetArrowColor(State state) const;
 
   int scrollbar_width_;
 
  private:
   friend class NativeThemeAuraTest;
 
   SkPath PathForArrow(const gfx::Rect& rect, Part direction) const;
   gfx::Rect BoundingRectForArrow(const gfx::Rect& rect) const;
 
-  void DrawVertLine(SkCanvas* canvas,
+  void DrawVertLine(CdlCanvas* canvas,
                     int x,
                     int y1,
                     int y2,
-                    const SkPaint& paint) const;
-  void DrawHorizLine(SkCanvas* canvas,
+                    const CdlPaint& paint) const;
+  void DrawHorizLine(CdlCanvas* canvas,
                      int x1,
                      int x2,
                      int y,
-                     const SkPaint& paint) const;
-  void DrawBox(SkCanvas* canvas,
+                     const CdlPaint& paint) const;
+  void DrawBox(CdlCanvas* canvas,
                const gfx::Rect& rect,
-               const SkPaint& paint) const;
+               const CdlPaint& paint) const;
   SkScalar Clamp(SkScalar value,
                  SkScalar min,
                  SkScalar max) const;
   SkColor OutlineColor(SkScalar* hsv1, SkScalar* hsv2) const;
 
   // Paint the common parts of the checkboxes and radio buttons.
   // borderRadius specifies how rounded the corners should be.
-  SkRect PaintCheckboxRadioCommon(
-      SkCanvas* canvas,
-      State state,
-      const gfx::Rect& rect,
-      const SkScalar borderRadius) const;
+  SkRect PaintCheckboxRadioCommon(CdlCanvas* canvas,
+                                  State state,
+                                  const gfx::Rect& rect,
+                                  const SkScalar borderRadius) const;
 
   // The length of the arrow buttons, 0 means no buttons are drawn.
   int scrollbar_button_length_;
 
   DISALLOW_COPY_AND_ASSIGN(NativeThemeBase);
 };
 
 }  // namespace ui
 
 #endif  // UI_NATIVE_THEME_NATIVE_THEME_BASE_H_