Add a basic custom painting facility to Sky

sky/engine/platform/graphics/DisplayList.cpp

 /*
  * Copyright (C) 2013 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 20 matching lines @@
 #include "sky/engine/config.h"
 #include "sky/engine/platform/graphics/DisplayList.h"
 
 #include "sky/engine/platform/geometry/IntSize.h"
 #include "sky/engine/wtf/PassOwnPtr.h"
 #include "third_party/skia/include/core/SkPicture.h"
 #include "third_party/skia/include/core/SkPictureRecorder.h"
 
 namespace blink {
 
-DisplayList::DisplayList(const FloatRect& bounds)
-    : m_bounds(bounds)
+DisplayList::DisplayList()
 {
 }
 
 DisplayList::~DisplayList()
 {
 }
 
-const FloatRect& DisplayList::bounds() const
-{
-    return m_bounds;
-}
-
 SkPicture* DisplayList::picture() const
 {
     return m_picture.get();
 }
 
 SkCanvas* DisplayList::beginRecording(const IntSize& size, uint32_t recordFlags)
 {
     m_picture.clear();
     if (!m_recorder)
         m_recorder = adoptPtr(new SkPictureRecorder);
     return m_recorder->beginRecording(size.width(), size.height(), 0, recordFlags);
 }
 
 void DisplayList::endRecording()
 {
     if (m_recorder) {
         m_picture = adoptRef(m_recorder->endRecording());
         m_recorder.clear();
     }
 }
 
 } // namespace blink