Rename paint data structures

chrome/browser/ui/libgtkui/native_theme_gtk3.cc

Index: chrome/browser/ui/libgtkui/native_theme_gtk3.cc
diff --git a/chrome/browser/ui/libgtkui/native_theme_gtk3.cc b/chrome/browser/ui/libgtkui/native_theme_gtk3.cc
index 582313b8a6f3f38aeeca38cc6500f4db9c4e735b..c5c412f914f80164a393f315186eff8bf2fd675a 100644
--- a/chrome/browser/ui/libgtkui/native_theme_gtk3.cc
+++ b/chrome/browser/ui/libgtkui/native_theme_gtk3.cc
@@ -19,7 +19,7 @@ namespace libgtkui {
 
 namespace {
 
-void PaintWidget(SkCanvas* canvas,
+void PaintWidget(cc::PaintCanvas* canvas,
                  const gfx::Rect& rect,
                  const char* css_selector,
                  GtkStateFlags state) {
@@ -356,14 +356,14 @@ SkColor NativeThemeGtk3::GetSystemColor(ColorId color_id) const {
 }
 
 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 {