Revert "Remove NonCompositedContentHost" and follow-up rebaselining.

Source/WebKit/chromium/src/NonCompositedContentHost.h

+/*
+ * 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.
+ */
+
+#ifndef NonCompositedContentHost_h
+#define NonCompositedContentHost_h
+
+#include "core/platform/graphics/GraphicsLayerClient.h"
+#include "core/platform/graphics/IntSize.h"
+
+#include <public/WebLayer.h>
+#include <wtf/Noncopyable.h>
+#include <wtf/OwnPtr.h>
+#include <wtf/PassOwnPtr.h>
+
+namespace WebCore {
+class Color;
+class GraphicsLayer;
+class GraphicsLayerFactory;
+class GraphicsContext;
+class IntPoint;
+class IntRect;
+}
+
+namespace WebKit {
+class WebViewImpl;
+
+class NonCompositedContentHost : public WebCore::GraphicsLayerClient {
+WTF_MAKE_NONCOPYABLE(NonCompositedContentHost);
+public:
+    static PassOwnPtr<NonCompositedContentHost> create(WebViewImpl* webView, WebCore::GraphicsLayerFactory* graphicsLayerFactory)
+    {
+        return adoptPtr(new NonCompositedContentHost(webView, graphicsLayerFactory));
+    }
+    virtual ~NonCompositedContentHost();
+
+    void invalidateRect(const WebCore::IntRect&);
+    void setBackgroundColor(const WebCore::Color&);
+    void setOpaque(bool);
+    void setScrollLayer(WebCore::GraphicsLayer*);
+    void setViewport(const WebCore::IntSize& viewportSize, const WebCore::IntSize& contentsSize, const WebCore::IntPoint& scrollPosition, const WebCore::IntPoint& scrollOrigin);
+    WebCore::GraphicsLayer* topLevelRootLayer() const { return m_graphicsLayer.get(); }
+
+    void setShowDebugBorders(bool);
+
+protected:
+    NonCompositedContentHost(WebViewImpl*, WebCore::GraphicsLayerFactory*);
+
+private:
+    // GraphicsLayerClient
+    virtual void notifyAnimationStarted(const WebCore::GraphicsLayer*, double time);
+    virtual void paintContents(const WebCore::GraphicsLayer*, WebCore::GraphicsContext&, WebCore::GraphicsLayerPaintingPhase, const WebCore::IntRect& clipRect);
+    virtual bool isTrackingRepaints() const;
+
+    bool haveScrollLayer();
+    WebLayer* scrollLayer();
+
+    OwnPtr<WebCore::GraphicsLayer> m_graphicsLayer;
+    WebViewImpl* m_webView;
+    WebCore::IntSize m_viewportSize;
+    WebCore::IntSize m_layerAdjust;
+
+    bool m_showDebugBorders;
+};
+
+} // namespace WebKit
+
+#endif // NonCompositedContentHost_h