Rename paint data structures

chrome/browser/ui/libgtkui/native_theme_gtk3.cc

 // Copyright 2016 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.
 
 #include "chrome/browser/ui/libgtkui/native_theme_gtk3.h"
 
 #include <gtk/gtk.h>
 
 #include "chrome/browser/ui/libgtkui/chrome_gtk_frame.h"
 #include "chrome/browser/ui/libgtkui/chrome_gtk_menu_subclasses.h"
 #include "chrome/browser/ui/libgtkui/gtk_util.h"
 #include "chrome/browser/ui/libgtkui/skia_utils_gtk.h"
 #include "ui/gfx/color_palette.h"
 #include "ui/gfx/color_utils.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/native_theme/native_theme_dark_aura.h"
 
 namespace libgtkui {
 
 namespace {
 
-void PaintWidget(SkCanvas* canvas,
+void PaintWidget(cc::PaintCanvas* canvas,
                  const gfx::Rect& rect,
                  const char* css_selector,
                  GtkStateFlags state) {
   SkBitmap bitmap;
   bitmap.allocN32Pixels(rect.width(), rect.height());
   bitmap.eraseColor(0);
 
   cairo_surface_t* surface = cairo_image_surface_create_for_data(
       static_cast<unsigned char*>(bitmap.getAddr(0, 0)), CAIRO_FORMAT_ARGB32,
       rect.width(), rect.height(),
@@ skipping 316 matching lines @@
 SkColor NativeThemeGtk3::GetSystemColor(ColorId color_id) const {
   if (color_cache_[color_id])
     return color_cache_[color_id].value();
 
   SkColor color = SkColorFromColorId(color_id);
   color_cache_[color_id] = color;
   return color;
 }
 
 void NativeThemeGtk3::PaintMenuPopupBackground(
-    SkCanvas* canvas,
+    cc::PaintCanvas* canvas,
     const gfx::Size& size,
     const MenuBackgroundExtraParams& menu_background) const {
   PaintWidget(canvas, gfx::Rect(size), "GtkMenu#menu", GTK_STATE_FLAG_NORMAL);
 }
 
 void NativeThemeGtk3::PaintMenuItemBackground(
-    SkCanvas* canvas,
+    cc::PaintCanvas* canvas,
     State state,
     const gfx::Rect& rect,
     const MenuItemExtraParams& menu_item) const {
   PaintWidget(canvas, rect, "GtkMenu#menu GtkMenuItem#menuitem",
               StateToStateFlags(state));
 }
 
 }  // namespace libgtkui