Initial import attempt, just to play with. Many things disabled/removed

ui/cc/SkPictureCanvasLayerTextureUpdater.cpp

+/*
+ * Copyright (C) 2011 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
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS 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 APPLE OR ITS 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"
+
+#if USE(ACCELERATED_COMPOSITING)
+
+#include "SkPictureCanvasLayerTextureUpdater.h"
+
+#include "LayerPainterChromium.h"
+#include "SkCanvas.h"
+#include "TraceEvent.h"
+
+namespace WebCore {
+
+SkPictureCanvasLayerTextureUpdater::SkPictureCanvasLayerTextureUpdater(PassOwnPtr<LayerPainterChromium> painter)
+    : CanvasLayerTextureUpdater(painter)
+    , m_layerIsOpaque(false)
+{
+}
+
+SkPictureCanvasLayerTextureUpdater::~SkPictureCanvasLayerTextureUpdater()
+{
+}
+
+void SkPictureCanvasLayerTextureUpdater::prepareToUpdate(const IntRect& contentRect, const IntSize&, float contentsScale, IntRect& resultingOpaqueRect)
+{
+    SkCanvas* canvas = m_picture.beginRecording(contentRect.width(), contentRect.height());
+    paintContents(canvas, contentRect, contentsScale, resultingOpaqueRect);
+    m_picture.endRecording();
+}
+
+void SkPictureCanvasLayerTextureUpdater::drawPicture(SkCanvas* canvas)
+{
+    TRACE_EVENT0("cc", "SkPictureCanvasLayerTextureUpdater::drawPicture");
+    canvas->drawPicture(m_picture);
+}
+
+void SkPictureCanvasLayerTextureUpdater::setOpaque(bool opaque)
+{
+    m_layerIsOpaque = opaque;
+}
+
+} // namespace WebCore
+#endif // USE(ACCELERATED_COMPOSITING)