ui/gfx: Make gfx::Canvas inherit from gfx::CanvasSkia.

ui/views/controls/focusable_border.cc

 // 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.
 
 #include "ui/views/controls/focusable_border.h"
 
 #include "ui/gfx/canvas.h"
 #include "ui/gfx/canvas_skia.h"
 #include "ui/gfx/insets.h"
 #include "ui/gfx/native_theme.h"
@@ skipping 10 matching lines @@
 }  // namespace
 
 namespace views {
 
 FocusableBorder::FocusableBorder()
     : has_focus_(false),
       insets_(kTopInsetSize, kLeftInsetSize,
               kBottomInsetSize, kRightInsetSize) {
 }
 
-void FocusableBorder::Paint(const View& view, gfx::Canvas* canvas) const {
+void FocusableBorder::Paint(const View& view, gfx::CanvasSkia* canvas) const {
   SkPath path;
   path.addRect(gfx::RectToSkRect(view.GetLocalBounds()), SkPath::kCW_Direction);
   SkPaint paint;
   paint.setStyle(SkPaint::kStroke_Style);
   SkColor focus_color = gfx::NativeTheme::instance()->GetSystemColor(
       has_focus_ ? gfx::NativeTheme::kColorId_FocusedBorderColor
           : gfx::NativeTheme::kColorId_UnfocusedBorderColor);
   paint.setColor(focus_color);
   paint.setStrokeWidth(SkIntToScalar(2));
 
   canvas->GetSkCanvas()->drawPath(path, paint);
 }
 
 void FocusableBorder::GetInsets(gfx::Insets* insets) const {
   *insets = insets_;
 }
 
 void FocusableBorder::SetInsets(int top, int left, int bottom, int right) {
   insets_.Set(top, left, bottom, right);
 }
 
 }  // namespace views