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diff --git a/layout/ipc/RenderFrameParent.h b/layout/ipc/RenderFrameParent.h
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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * vim: sw=2 ts=8 et :
+ */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_layout_RenderFrameParent_h
+#define mozilla_layout_RenderFrameParent_h
+
+#include "mozilla/Attributes.h"
+#include <map>
+
+#include "mozilla/layers/APZUtils.h"
+#include "mozilla/layers/LayersTypes.h"
+#include "mozilla/layout/PRenderFrameParent.h"
+#include "nsDisplayList.h"
+
+class nsFrameLoader;
+class nsSubDocumentFrame;
+
+namespace mozilla {
+
+class InputEvent;
+
+namespace layers {
+class AsyncDragMetrics;
+class TargetConfig;
+struct TextureFactoryIdentifier;
+struct ScrollableLayerGuid;
+} // namespace layers
+
+namespace layout {
+
+class RenderFrameParent : public PRenderFrameParent
+{
+ typedef mozilla::layers::AsyncDragMetrics AsyncDragMetrics;
+ typedef mozilla::layers::FrameMetrics FrameMetrics;
+ typedef mozilla::layers::ContainerLayer ContainerLayer;
+ typedef mozilla::layers::Layer Layer;
+ typedef mozilla::layers::LayerManager LayerManager;
+ typedef mozilla::layers::TargetConfig TargetConfig;
+ typedef mozilla::ContainerLayerParameters ContainerLayerParameters;
+ typedef mozilla::layers::TextureFactoryIdentifier TextureFactoryIdentifier;
+ typedef mozilla::layers::ScrollableLayerGuid ScrollableLayerGuid;
+ typedef mozilla::layers::TouchBehaviorFlags TouchBehaviorFlags;
+ typedef mozilla::layers::ZoomConstraints ZoomConstraints;
+ typedef FrameMetrics::ViewID ViewID;
+
+public:
+
+
+ /**
+ * Select the desired scrolling behavior. If ASYNC_PAN_ZOOM is
+ * chosen, then RenderFrameParent will watch input events and use
+ * them to asynchronously pan and zoom.
+ */
+ RenderFrameParent(nsFrameLoader* aFrameLoader, bool* aSuccess);
+ virtual ~RenderFrameParent();
+
+ bool Init(nsFrameLoader* aFrameLoader);
+ bool IsInitted();
+ void Destroy();
+
+ void BuildDisplayList(nsDisplayListBuilder* aBuilder,
+ nsSubDocumentFrame* aFrame,
+ const nsRect& aDirtyRect,
+ const nsDisplayListSet& aLists);
+
+ already_AddRefed<Layer> BuildLayer(nsDisplayListBuilder* aBuilder,
+ nsIFrame* aFrame,
+ LayerManager* aManager,
+ const nsIntRect& aVisibleRect,
+ nsDisplayItem* aItem,
+ const ContainerLayerParameters& aContainerParameters);
+
+ void OwnerContentChanged(nsIContent* aContent);
+
+ bool HitTest(const nsRect& aRect);
+
+ void GetTextureFactoryIdentifier(TextureFactoryIdentifier* aTextureFactoryIdentifier);
+
+ inline uint64_t GetLayersId() { return mLayersId; }
+
+ void TakeFocusForClickFromTap();
+
+ void EnsureLayersConnected();
+
+protected:
+ void ActorDestroy(ActorDestroyReason why) override;
+
+ virtual bool RecvNotifyCompositorTransaction() override;
+
+private:
+ void TriggerRepaint();
+ void DispatchEventForPanZoomController(const InputEvent& aEvent);
+
+ uint64_t GetLayerTreeId() const;
+
+ // When our child frame is pushing transactions directly to the
+ // compositor, this is the ID of its layer tree in the compositor's
+ // context.
+ uint64_t mLayersId;
+
+ RefPtr<nsFrameLoader> mFrameLoader;
+ RefPtr<ContainerLayer> mContainer;
+
+ // True after Destroy() has been called, which is triggered
+ // originally by nsFrameLoader::Destroy(). After this point, we can
+ // no longer safely ask the frame loader to find its nearest layer
+ // manager, because it may have been disconnected from the DOM.
+ // It's still OK to *tell* the frame loader that we've painted after
+ // it's destroyed; it'll just ignore us, and we won't be able to
+ // find an nsIFrame to invalidate. See ShadowLayersUpdated().
+ //
+ // Prefer the extra bit of state to null'ing out mFrameLoader in
+ // Destroy() so that less code needs to be special-cased for after
+ // Destroy().
+ //
+ // It's possible for mFrameLoader==null and
+ // mFrameLoaderDestroyed==false.
+ bool mFrameLoaderDestroyed;
+
+ bool mAsyncPanZoomEnabled;
+ bool mInitted;
+};
+
+} // namespace layout
+} // namespace mozilla
+
+/**
+ * A DisplayRemote exists solely to graft a child process's shadow
+ * layer tree (for a given RenderFrameParent) into its parent
+ * process's layer tree.
+ */
+class nsDisplayRemote : public nsDisplayItem
+{
+ typedef mozilla::layout::RenderFrameParent RenderFrameParent;
+
+public:
+ nsDisplayRemote(nsDisplayListBuilder* aBuilder, nsSubDocumentFrame* aFrame,
+ RenderFrameParent* aRemoteFrame);
+
+ virtual LayerState GetLayerState(nsDisplayListBuilder* aBuilder,
+ LayerManager* aManager,
+ const ContainerLayerParameters& aParameters) override
+ { return mozilla::LAYER_ACTIVE_FORCE; }
+
+ virtual already_AddRefed<Layer>
+ BuildLayer(nsDisplayListBuilder* aBuilder, LayerManager* aManager,
+ const ContainerLayerParameters& aContainerParameters) override;
+
+ NS_DISPLAY_DECL_NAME("Remote", TYPE_REMOTE)
+
+private:
+ RenderFrameParent* mRemoteFrame;
+ mozilla::layers::EventRegionsOverride mEventRegionsOverride;
+};
+
+
+#endif // mozilla_layout_RenderFrameParent_h