Make cc/paint have concrete types

third_party/WebKit/Source/platform/exported/WebScrollbarThemePainter.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 36 matching lines @@
 
 void WebScrollbarThemePainter::paintScrollbarBackground(WebCanvas* canvas,
                                                         const WebRect& rect) {
   SkRect clip = SkRect::MakeXYWH(rect.x, rect.y, rect.width, rect.height);
   canvas->clipRect(clip);
 
   IntRect intRect(rect);
   PaintRecordBuilder builder(intRect);
   builder.context().setDeviceScaleFactor(m_deviceScaleFactor);
   m_theme->paintScrollbarBackground(builder.context(), *m_scrollbar);
-  builder.endRecording()->playback(canvas);
+  canvas->drawPicture(builder.endRecording());
 }
 
 void WebScrollbarThemePainter::paintTrackBackground(WebCanvas* canvas,
                                                     const WebRect& rect) {
   IntRect intRect(rect);
   PaintRecordBuilder builder(intRect);
   builder.context().setDeviceScaleFactor(m_deviceScaleFactor);
   m_theme->paintTrackBackground(builder.context(), *m_scrollbar, intRect);
-  builder.endRecording()->playback(canvas);
+  canvas->drawPicture(builder.endRecording());
   if (!m_theme->shouldRepaintAllPartsOnInvalidation())
     m_scrollbar->clearTrackNeedsRepaint();
 }
 
 void WebScrollbarThemePainter::paintBackTrackPart(WebCanvas* canvas,
                                                   const WebRect& rect) {
   IntRect intRect(rect);
   PaintRecordBuilder builder(intRect);
   builder.context().setDeviceScaleFactor(m_deviceScaleFactor);
   m_theme->paintTrackPiece(builder.context(), *m_scrollbar, intRect,
                            BackTrackPart);
-  builder.endRecording()->playback(canvas);
+  canvas->drawPicture(builder.endRecording());
 }
 
 void WebScrollbarThemePainter::paintForwardTrackPart(WebCanvas* canvas,
                                                      const WebRect& rect) {
   IntRect intRect(rect);
   PaintRecordBuilder builder(intRect);
   builder.context().setDeviceScaleFactor(m_deviceScaleFactor);
   m_theme->paintTrackPiece(builder.context(), *m_scrollbar, intRect,
                            ForwardTrackPart);
-  builder.endRecording()->playback(canvas);
+  canvas->drawPicture(builder.endRecording());
 }
 
 void WebScrollbarThemePainter::paintBackButtonStart(WebCanvas* canvas,
                                                     const WebRect& rect) {
   IntRect intRect(rect);
   PaintRecordBuilder builder(intRect);
   builder.context().setDeviceScaleFactor(m_deviceScaleFactor);
   m_theme->paintButton(builder.context(), *m_scrollbar, intRect,
                        BackButtonStartPart);
-  builder.endRecording()->playback(canvas);
+  canvas->drawPicture(builder.endRecording());
 }
 
 void WebScrollbarThemePainter::paintBackButtonEnd(WebCanvas* canvas,
                                                   const WebRect& rect) {
   IntRect intRect(rect);
   PaintRecordBuilder builder(intRect);
   builder.context().setDeviceScaleFactor(m_deviceScaleFactor);
   m_theme->paintButton(builder.context(), *m_scrollbar, intRect,
                        BackButtonEndPart);
-  builder.endRecording()->playback(canvas);
+  canvas->drawPicture(builder.endRecording());
 }
 
 void WebScrollbarThemePainter::paintForwardButtonStart(WebCanvas* canvas,
                                                        const WebRect& rect) {
   IntRect intRect(rect);
   PaintRecordBuilder builder(intRect);
   builder.context().setDeviceScaleFactor(m_deviceScaleFactor);
   m_theme->paintButton(builder.context(), *m_scrollbar, intRect,
                        ForwardButtonStartPart);
-  builder.endRecording()->playback(canvas);
+  canvas->drawPicture(builder.endRecording());
 }
 
 void WebScrollbarThemePainter::paintForwardButtonEnd(WebCanvas* canvas,
                                                      const WebRect& rect) {
   IntRect intRect(rect);
   PaintRecordBuilder builder(intRect);
   builder.context().setDeviceScaleFactor(m_deviceScaleFactor);
   m_theme->paintButton(builder.context(), *m_scrollbar, intRect,
                        ForwardButtonEndPart);
-  builder.endRecording()->playback(canvas);
+  canvas->drawPicture(builder.endRecording());
 }
 
 void WebScrollbarThemePainter::paintTickmarks(WebCanvas* canvas,
                                               const WebRect& rect) {
   IntRect intRect(rect);
   PaintRecordBuilder builder(intRect);
   builder.context().setDeviceScaleFactor(m_deviceScaleFactor);
   m_theme->paintTickmarks(builder.context(), *m_scrollbar, intRect);
-  builder.endRecording()->playback(canvas);
+  canvas->drawPicture(builder.endRecording());
 }
 
 void WebScrollbarThemePainter::paintThumb(WebCanvas* canvas,
                                           const WebRect& rect) {
   IntRect intRect(rect);
   PaintRecordBuilder builder(intRect);
   builder.context().setDeviceScaleFactor(m_deviceScaleFactor);
   m_theme->paintThumb(builder.context(), *m_scrollbar, intRect);
-  builder.endRecording()->playback(canvas);
+  canvas->drawPicture(builder.endRecording());
   if (!m_theme->shouldRepaintAllPartsOnInvalidation())
     m_scrollbar->clearThumbNeedsRepaint();
 }
 
 WebScrollbarThemePainter::WebScrollbarThemePainter(ScrollbarTheme& theme,
                                                    Scrollbar& scrollbar,
                                                    float deviceScaleFactor)
     : m_theme(&theme),
       m_scrollbar(&scrollbar),
       m_deviceScaleFactor(deviceScaleFactor) {}
 
 float WebScrollbarThemePainter::thumbOpacity() const {
   return m_theme->thumbOpacity(*m_scrollbar);
 }
 
 bool WebScrollbarThemePainter::trackNeedsRepaint() const {
   return m_scrollbar->trackNeedsRepaint();
 }
 
 bool WebScrollbarThemePainter::thumbNeedsRepaint() const {
   return m_scrollbar->thumbNeedsRepaint();
 }
 
 bool WebScrollbarThemePainter::usesNinePatchThumbResource() const {
   return m_theme->usesNinePatchThumbResource();
 }
 
 }  // namespace blink