Modifications to DisplayList for better Slimming Paint

Source/platform/graphics/DisplayList.cpp

Index: Source/platform/graphics/DisplayList.cpp
diff --git a/Source/platform/graphics/DisplayList.cpp b/Source/platform/graphics/DisplayList.cpp
deleted file mode 100644
index 1b76b1997aba285ba8f6214af2ccfa40397d1cc6..0000000000000000000000000000000000000000
--- a/Source/platform/graphics/DisplayList.cpp
+++ /dev/null
@@ -1,76 +0,0 @@
-/*
- * 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
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "config.h"
-#include "platform/graphics/DisplayList.h"
-
-#include "platform/geometry/IntSize.h"
-#include "third_party/skia/include/core/SkPicture.h"
-#include "third_party/skia/include/core/SkPictureRecorder.h"
-#include "wtf/PassOwnPtr.h"
-
-namespace blink {
-
-DisplayList::DisplayList(const FloatRect& bounds)
-    : m_bounds(bounds)
-{
-}
-
-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