Move rendering/RenderLayer* to layout/

Source/core/layout/compositing/RenderLayerCompositor.h

Index: Source/core/layout/compositing/RenderLayerCompositor.h
diff --git a/Source/core/layout/compositing/RenderLayerCompositor.h b/Source/core/layout/compositing/RenderLayerCompositor.h
deleted file mode 100644
index 7fa34ff0c6eec54d2b270985a088c17451262eba..0000000000000000000000000000000000000000
--- a/Source/core/layout/compositing/RenderLayerCompositor.h
+++ /dev/null
@@ -1,250 +0,0 @@
-/*
- * Copyright (C) 2009 Apple 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 INC. ``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 COMPUTER, INC. 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.
- */
-
-#ifndef RenderLayerCompositor_h
-#define RenderLayerCompositor_h
-
-#include "core/layout/compositing/CompositingReasonFinder.h"
-#include "core/rendering/RenderLayer.h"
-#include "platform/graphics/GraphicsLayerClient.h"
-#include "wtf/HashMap.h"
-
-namespace blink {
-
-class DocumentLifecycle;
-class GraphicsLayer;
-class GraphicsLayerFactory;
-class Page;
-class RenderPart;
-class ScrollingCoordinator;
-
-enum CompositingUpdateType {
-    CompositingUpdateNone,
-    CompositingUpdateAfterGeometryChange,
-    CompositingUpdateAfterCompositingInputChange,
-    CompositingUpdateRebuildTree,
-};
-
-enum CompositingStateTransitionType {
-    NoCompositingStateChange,
-    AllocateOwnCompositedLayerMapping,
-    RemoveOwnCompositedLayerMapping,
-    PutInSquashingLayer,
-    RemoveFromSquashingLayer
-};
-
-// RenderLayerCompositor manages the hierarchy of
-// composited RenderLayers. It determines which RenderLayers
-// become compositing, and creates and maintains a hierarchy of
-// GraphicsLayers based on the RenderLayer painting order.
-//
-// There is one RenderLayerCompositor per RenderView.
-
-class RenderLayerCompositor final : public GraphicsLayerClient {
-    WTF_MAKE_FAST_ALLOCATED;
-public:
-    explicit RenderLayerCompositor(RenderView&);
-    virtual ~RenderLayerCompositor();
-
-    void updateIfNeededRecursive();
-
-    // Return true if this RenderView is in "compositing mode" (i.e. has one or more
-    // composited RenderLayers)
-    bool inCompositingMode() const;
-    // FIXME: Replace all callers with inCompositingMode and remove this function.
-    bool staleInCompositingMode() const;
-    // This will make a compositing layer at the root automatically, and hook up to
-    // the native view/window system.
-    void setCompositingModeEnabled(bool);
-
-    // Returns true if the accelerated compositing is enabled
-    bool hasAcceleratedCompositing() const { return m_hasAcceleratedCompositing; }
-
-    bool preferCompositingToLCDTextEnabled() const;
-
-    bool rootShouldAlwaysComposite() const;
-
-    // Copy the accelerated compositing related flags from Settings
-    void updateAcceleratedCompositingSettings();
-
-    // Used to indicate that a compositing update will be needed for the next frame that gets drawn.
-    void setNeedsCompositingUpdate(CompositingUpdateType);
-
-    void didLayout();
-
-    // Whether layer's compositedLayerMapping needs a GraphicsLayer to clip z-order children of the given RenderLayer.
-    bool clipsCompositingDescendants(const RenderLayer*) const;
-
-    // Whether the given layer needs an extra 'contents' layer.
-    bool needsContentsCompositingLayer(const RenderLayer*) const;
-
-    bool supportsFixedRootBackgroundCompositing() const;
-    bool needsFixedRootBackgroundLayer(const RenderLayer*) const;
-    GraphicsLayer* fixedRootBackgroundLayer() const;
-    void setNeedsUpdateFixedBackground() { m_needsUpdateFixedBackground = true; }
-
-    // Issue paint invalidations of the appropriate layers when the given RenderLayer starts or stops being composited.
-    void paintInvalidationOnCompositingChange(RenderLayer*);
-
-    void fullyInvalidatePaint();
-
-    RenderLayer* rootRenderLayer() const;
-    GraphicsLayer* rootGraphicsLayer() const;
-    GraphicsLayer* frameScrollLayer() const;
-    GraphicsLayer* scrollLayer() const;
-    GraphicsLayer* containerLayer() const;
-
-    // We don't always have a root transform layer. This function lazily allocates one
-    // and returns it as required.
-    GraphicsLayer* ensureRootTransformLayer();
-
-    enum RootLayerAttachment {
-        RootLayerUnattached,
-        RootLayerAttachedViaChromeClient,
-        RootLayerAttachedViaEnclosingFrame
-    };
-
-    RootLayerAttachment rootLayerAttachment() const { return m_rootLayerAttachment; }
-    void updateRootLayerAttachment();
-    void updateRootLayerPosition();
-
-    void setIsInWindow(bool);
-
-    static RenderLayerCompositor* frameContentsCompositor(RenderPart*);
-    // Return true if the layers changed.
-    static bool parentFrameContentLayers(RenderPart*);
-
-    // Update the geometry of the layers used for clipping and scrolling in frames.
-    void frameViewDidChangeLocation(const IntPoint& contentsOffset);
-    void frameViewDidChangeSize();
-    void frameViewDidScroll();
-    void frameViewScrollbarsExistenceDidChange();
-    void rootFixedBackgroundsChanged();
-
-    bool scrollingLayerDidChange(RenderLayer*);
-
-    String layerTreeAsText(LayerTreeFlags);
-
-    GraphicsLayer* layerForHorizontalScrollbar() const { return m_layerForHorizontalScrollbar.get(); }
-    GraphicsLayer* layerForVerticalScrollbar() const { return m_layerForVerticalScrollbar.get(); }
-    GraphicsLayer* layerForScrollCorner() const { return m_layerForScrollCorner.get(); }
-
-    void resetTrackedPaintInvalidationRects();
-    void setTracksPaintInvalidations(bool);
-
-    virtual String debugName(const GraphicsLayer*) override;
-    DocumentLifecycle& lifecycle() const;
-
-    void updatePotentialCompositingReasonsFromStyle(RenderLayer*);
-
-    // Whether the layer could ever be composited.
-    bool canBeComposited(const RenderLayer*) const;
-
-    // FIXME: Move allocateOrClearCompositedLayerMapping to CompositingLayerAssigner once we've fixed
-    // the compositing chicken/egg issues.
-    bool allocateOrClearCompositedLayerMapping(RenderLayer*, CompositingStateTransitionType compositedLayerUpdate);
-
-    void updateDirectCompositingReasons(RenderLayer*);
-
-    void setOverlayLayer(GraphicsLayer*);
-
-    bool inOverlayFullscreenVideo() const { return m_inOverlayFullscreenVideo; }
-
-private:
-#if ENABLE(ASSERT)
-    void assertNoUnresolvedDirtyBits();
-#endif
-
-    // GraphicsLayerClient implementation
-    virtual void paintContents(const GraphicsLayer*, GraphicsContext&, GraphicsLayerPaintingPhase, const IntRect&) override;
-
-    virtual bool isTrackingPaintInvalidations() const override;
-
-    void updateWithoutAcceleratedCompositing(CompositingUpdateType);
-    void updateIfNeeded();
-
-    void ensureRootLayer();
-    void destroyRootLayer();
-
-    void attachRootLayer(RootLayerAttachment);
-    void detachRootLayer();
-
-    void updateOverflowControlsLayers();
-
-    Page* page() const;
-
-    GraphicsLayerFactory* graphicsLayerFactory() const;
-    ScrollingCoordinator* scrollingCoordinator() const;
-
-    void enableCompositingModeIfNeeded();
-
-    bool requiresHorizontalScrollbarLayer() const;
-    bool requiresVerticalScrollbarLayer() const;
-    bool requiresScrollCornerLayer() const;
-
-    void applyOverlayFullscreenVideoAdjustment();
-
-    RenderView& m_renderView;
-    OwnPtr<GraphicsLayer> m_rootContentLayer;
-    OwnPtr<GraphicsLayer> m_rootTransformLayer;
-
-    CompositingReasonFinder m_compositingReasonFinder;
-
-    CompositingUpdateType m_pendingUpdateType;
-
-    bool m_hasAcceleratedCompositing;
-    bool m_compositing;
-
-    // The root layer doesn't composite if it's a non-scrollable frame.
-    // So, after a layout we set this dirty bit to know that we need
-    // to recompute whether the root layer should composite even if
-    // none of its descendants composite.
-    // FIXME: Get rid of all the callers of setCompositingModeEnabled
-    // except the one in updateIfNeeded, then rename this to
-    // m_compositingDirty.
-    bool m_rootShouldAlwaysCompositeDirty;
-    bool m_needsUpdateFixedBackground;
-    bool m_isTrackingPaintInvalidations; // Used for testing.
-
-    RootLayerAttachment m_rootLayerAttachment;
-
-    // Enclosing container layer, which clips for iframe content
-    OwnPtr<GraphicsLayer> m_containerLayer;
-    OwnPtr<GraphicsLayer> m_scrollLayer;
-
-    // Enclosing layer for overflow controls and the clipping layer
-    OwnPtr<GraphicsLayer> m_overflowControlsHostLayer;
-
-    // Layers for overflow controls
-    OwnPtr<GraphicsLayer> m_layerForHorizontalScrollbar;
-    OwnPtr<GraphicsLayer> m_layerForVerticalScrollbar;
-    OwnPtr<GraphicsLayer> m_layerForScrollCorner;
-
-    bool m_inOverlayFullscreenVideo;
-};
-
-} // namespace blink
-
-#endif // RenderLayerCompositor_h