Remove parts of //cc we aren't using

cc/layers/layer_impl.h

Index: cc/layers/layer_impl.h
diff --git a/cc/layers/layer_impl.h b/cc/layers/layer_impl.h
deleted file mode 100644
index e0c42f0bfecf3bbc31c7c9e74bbb86d4d3463c51..0000000000000000000000000000000000000000
--- a/cc/layers/layer_impl.h
+++ /dev/null
@@ -1,782 +0,0 @@
-// Copyright 2011 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef CC_LAYERS_LAYER_IMPL_H_
-#define CC_LAYERS_LAYER_IMPL_H_
-
-#include <map>
-#include <set>
-#include <string>
-#include <vector>
-
-#include "base/logging.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/values.h"
-#include "cc/animation/animation_delegate.h"
-#include "cc/animation/layer_animation_controller.h"
-#include "cc/animation/layer_animation_value_observer.h"
-#include "cc/animation/layer_animation_value_provider.h"
-#include "cc/base/cc_export.h"
-#include "cc/base/region.h"
-#include "cc/base/scoped_ptr_vector.h"
-#include "cc/base/synced_property.h"
-#include "cc/debug/frame_timing_request.h"
-#include "cc/input/input_handler.h"
-#include "cc/input/scrollbar.h"
-#include "cc/layers/draw_properties.h"
-#include "cc/layers/layer_lists.h"
-#include "cc/layers/layer_position_constraint.h"
-#include "cc/layers/render_surface_impl.h"
-#include "cc/layers/scroll_blocks_on.h"
-#include "cc/output/filter_operations.h"
-#include "cc/quads/shared_quad_state.h"
-#include "cc/resources/resource_provider.h"
-#include "cc/resources/tile_priority.h"
-#include "skia/ext/refptr.h"
-#include "third_party/skia/include/core/SkColor.h"
-#include "third_party/skia/include/core/SkImageFilter.h"
-#include "third_party/skia/include/core/SkPicture.h"
-#include "ui/gfx/geometry/point3_f.h"
-#include "ui/gfx/geometry/rect.h"
-#include "ui/gfx/geometry/rect_f.h"
-#include "ui/gfx/geometry/scroll_offset.h"
-#include "ui/gfx/transform.h"
-
-namespace base {
-namespace trace_event {
-class ConvertableToTraceFormat;
-class TracedValue;
-}
-class DictionaryValue;
-}
-
-namespace cc {
-
-class LayerTreeHostImpl;
-class LayerTreeImpl;
-class MicroBenchmarkImpl;
-class Occlusion;
-template <typename LayerType>
-class OcclusionTracker;
-class RenderPass;
-class RenderPassId;
-class Renderer;
-class ScrollbarAnimationController;
-class ScrollbarLayerImplBase;
-class SimpleEnclosedRegion;
-class Tile;
-
-struct AppendQuadsData;
-
-enum DrawMode {
-  DRAW_MODE_NONE,
-  DRAW_MODE_HARDWARE,
-  DRAW_MODE_SOFTWARE,
-  DRAW_MODE_RESOURCELESS_SOFTWARE
-};
-
-class CC_EXPORT LayerImpl : public LayerAnimationValueObserver,
-                            public LayerAnimationValueProvider,
-                            public AnimationDelegate {
- public:
-  // Allows for the ownership of the total scroll offset to be delegated outside
-  // of the layer.
-  class ScrollOffsetDelegate {
-   public:
-    virtual void SetCurrentScrollOffset(const gfx::ScrollOffset& new_value) = 0;
-    virtual gfx::ScrollOffset GetCurrentScrollOffset() = 0;
-    virtual bool IsExternalFlingActive() const = 0;
-    virtual void Update() const = 0;
-  };
-
-  typedef SyncedProperty<AdditionGroup<gfx::ScrollOffset>> SyncedScrollOffset;
-  typedef LayerImplList RenderSurfaceListType;
-  typedef LayerImplList LayerListType;
-  typedef RenderSurfaceImpl RenderSurfaceType;
-
-  enum RenderingContextConstants { NO_RENDERING_CONTEXT = 0 };
-
-  static scoped_ptr<LayerImpl> Create(
-      LayerTreeImpl* tree_impl,
-      int id,
-      scoped_refptr<SyncedScrollOffset> scroll_offset) {
-    return make_scoped_ptr(new LayerImpl(tree_impl, id, scroll_offset));
-  }
-
-  static scoped_ptr<LayerImpl> Create(LayerTreeImpl* tree_impl, int id) {
-    return make_scoped_ptr(new LayerImpl(tree_impl, id));
-  }
-
-  ~LayerImpl() override;
-
-  int id() const { return layer_id_; }
-
-  // LayerAnimationValueProvider implementation.
-  gfx::ScrollOffset ScrollOffsetForAnimation() const override;
-
-  // LayerAnimationValueObserver implementation.
-  void OnFilterAnimated(const FilterOperations& filters) override;
-  void OnOpacityAnimated(float opacity) override;
-  void OnTransformAnimated(const gfx::Transform& transform) override;
-  void OnScrollOffsetAnimated(const gfx::ScrollOffset& scroll_offset) override;
-  void OnAnimationWaitingForDeletion() override;
-  bool IsActive() const override;
-
-  // AnimationDelegate implementation.
-  void NotifyAnimationStarted(base::TimeTicks monotonic_time,
-                              Animation::TargetProperty target_property,
-                              int group) override{};
-  void NotifyAnimationFinished(base::TimeTicks monotonic_time,
-                               Animation::TargetProperty target_property,
-                               int group) override;
-
-  // Tree structure.
-  LayerImpl* parent() { return parent_; }
-  const LayerImpl* parent() const { return parent_; }
-  const OwnedLayerImplList& children() const { return children_; }
-  OwnedLayerImplList& children() { return children_; }
-  LayerImpl* child_at(size_t index) const { return children_[index]; }
-  void AddChild(scoped_ptr<LayerImpl> child);
-  scoped_ptr<LayerImpl> RemoveChild(LayerImpl* child);
-  void SetParent(LayerImpl* parent);
-
-  // Warning: This does not preserve tree structure invariants.
-  void ClearChildList();
-
-  bool HasAncestor(const LayerImpl* ancestor) const;
-
-  void SetScrollParent(LayerImpl* parent);
-
-  LayerImpl* scroll_parent() { return scroll_parent_; }
-  const LayerImpl* scroll_parent() const { return scroll_parent_; }
-
-  void SetScrollChildren(std::set<LayerImpl*>* children);
-
-  std::set<LayerImpl*>* scroll_children() { return scroll_children_.get(); }
-  const std::set<LayerImpl*>* scroll_children() const {
-    return scroll_children_.get();
-  }
-
-  void SetNumDescendantsThatDrawContent(int num_descendants);
-  void SetClipParent(LayerImpl* ancestor);
-
-  LayerImpl* clip_parent() {
-    return clip_parent_;
-  }
-  const LayerImpl* clip_parent() const {
-    return clip_parent_;
-  }
-
-  void SetClipChildren(std::set<LayerImpl*>* children);
-
-  std::set<LayerImpl*>* clip_children() { return clip_children_.get(); }
-  const std::set<LayerImpl*>* clip_children() const {
-    return clip_children_.get();
-  }
-
-  void PassCopyRequests(ScopedPtrVector<CopyOutputRequest>* requests);
-  // Can only be called when the layer has a copy request.
-  void TakeCopyRequestsAndTransformToTarget(
-      ScopedPtrVector<CopyOutputRequest>* request);
-  bool HasCopyRequest() const { return !copy_requests_.empty(); }
-
-  void SetMaskLayer(scoped_ptr<LayerImpl> mask_layer);
-  LayerImpl* mask_layer() { return mask_layer_.get(); }
-  const LayerImpl* mask_layer() const { return mask_layer_.get(); }
-  scoped_ptr<LayerImpl> TakeMaskLayer();
-
-  void SetReplicaLayer(scoped_ptr<LayerImpl> replica_layer);
-  LayerImpl* replica_layer() { return replica_layer_.get(); }
-  const LayerImpl* replica_layer() const { return replica_layer_.get(); }
-  scoped_ptr<LayerImpl> TakeReplicaLayer();
-
-  bool has_mask() const { return mask_layer_; }
-  bool has_replica() const { return replica_layer_; }
-  bool replica_has_mask() const {
-    return replica_layer_ && (mask_layer_ || replica_layer_->mask_layer_);
-  }
-
-  LayerTreeImpl* layer_tree_impl() const { return layer_tree_impl_; }
-
-  void PopulateSharedQuadState(SharedQuadState* state) const;
-  void PopulateScaledSharedQuadState(SharedQuadState* state, float scale) const;
-  // WillDraw must be called before AppendQuads. If WillDraw returns false,
-  // AppendQuads and DidDraw will not be called. If WillDraw returns true,
-  // DidDraw is guaranteed to be called before another WillDraw or before
-  // the layer is destroyed. To enforce this, any class that overrides
-  // WillDraw/DidDraw must call the base class version only if WillDraw
-  // returns true.
-  virtual bool WillDraw(DrawMode draw_mode,
-                        ResourceProvider* resource_provider);
-  virtual void AppendQuads(RenderPass* render_pass,
-                           AppendQuadsData* append_quads_data) {}
-  virtual void DidDraw(ResourceProvider* resource_provider);
-
-  virtual void GetContentsResourceId(ResourceProvider::ResourceId* resource_id,
-                                     gfx::Size* resource_size) const;
-
-  virtual bool HasDelegatedContent() const;
-  virtual bool HasContributingDelegatedRenderPasses() const;
-  virtual RenderPassId FirstContributingRenderPassId() const;
-  virtual RenderPassId NextContributingRenderPassId(RenderPassId id) const;
-
-  virtual void NotifyTileStateChanged(const Tile* tile) {}
-
-  virtual ScrollbarLayerImplBase* ToScrollbarLayer();
-
-  // Returns true if this layer has content to draw.
-  void SetDrawsContent(bool draws_content);
-  bool DrawsContent() const { return draws_content_; }
-
-  int NumDescendantsThatDrawContent() const;
-  void SetHideLayerAndSubtree(bool hide);
-  bool hide_layer_and_subtree() const { return hide_layer_and_subtree_; }
-
-  void SetTransformOrigin(const gfx::Point3F& transform_origin);
-  gfx::Point3F transform_origin() const { return transform_origin_; }
-
-  void SetBackgroundColor(SkColor background_color);
-  SkColor background_color() const { return background_color_; }
-  // If contents_opaque(), return an opaque color else return a
-  // non-opaque color.  Tries to return background_color(), if possible.
-  SkColor SafeOpaqueBackgroundColor() const;
-
-  void SetFilters(const FilterOperations& filters);
-  const FilterOperations& filters() const { return filters_; }
-  bool FilterIsAnimating() const;
-  bool FilterIsAnimatingOnImplOnly() const;
-
-  void SetBackgroundFilters(const FilterOperations& filters);
-  const FilterOperations& background_filters() const {
-    return background_filters_;
-  }
-
-  void SetMasksToBounds(bool masks_to_bounds);
-  bool masks_to_bounds() const { return masks_to_bounds_; }
-
-  void SetContentsOpaque(bool opaque);
-  bool contents_opaque() const { return contents_opaque_; }
-
-  void SetOpacity(float opacity);
-  float opacity() const { return opacity_; }
-  bool OpacityIsAnimating() const;
-  bool OpacityIsAnimatingOnImplOnly() const;
-
-  void SetBlendMode(SkXfermode::Mode);
-  SkXfermode::Mode blend_mode() const { return blend_mode_; }
-  bool uses_default_blend_mode() const {
-    return blend_mode_ == SkXfermode::kSrcOver_Mode;
-  }
-
-  void SetIsRootForIsolatedGroup(bool root);
-  bool is_root_for_isolated_group() const {
-    return is_root_for_isolated_group_;
-  }
-
-  void SetPosition(const gfx::PointF& position);
-  gfx::PointF position() const { return position_; }
-
-  void SetIsContainerForFixedPositionLayers(bool container) {
-    is_container_for_fixed_position_layers_ = container;
-  }
-  // This is a non-trivial function in Layer.
-  bool IsContainerForFixedPositionLayers() const {
-    return is_container_for_fixed_position_layers_;
-  }
-
-  gfx::Vector2dF FixedContainerSizeDelta() const;
-
-  void SetPositionConstraint(const LayerPositionConstraint& constraint) {
-    position_constraint_ = constraint;
-  }
-  const LayerPositionConstraint& position_constraint() const {
-    return position_constraint_;
-  }
-
-  void SetShouldFlattenTransform(bool flatten);
-  bool should_flatten_transform() const { return should_flatten_transform_; }
-
-  bool Is3dSorted() const { return sorting_context_id_ != 0; }
-
-  void SetUseParentBackfaceVisibility(bool use) {
-    use_parent_backface_visibility_ = use;
-  }
-  bool use_parent_backface_visibility() const {
-    return use_parent_backface_visibility_;
-  }
-
-  bool ShowDebugBorders() const;
-
-  // These invalidate the host's render surface layer list.  The caller
-  // is responsible for calling set_needs_update_draw_properties on the tree
-  // so that its list can be recreated.
-  void ClearRenderSurfaceLayerList();
-  void SetHasRenderSurface(bool has_render_surface);
-
-  RenderSurfaceImpl* render_surface() const { return render_surface_.get(); }
-
-  DrawProperties<LayerImpl>& draw_properties() {
-    return draw_properties_;
-  }
-  const DrawProperties<LayerImpl>& draw_properties() const {
-    return draw_properties_;
-  }
-
-  // The following are shortcut accessors to get various information from
-  // draw_properties_
-  const gfx::Transform& draw_transform() const {
-    return draw_properties_.target_space_transform;
-  }
-  const gfx::Transform& screen_space_transform() const {
-    return draw_properties_.screen_space_transform;
-  }
-  float draw_opacity() const { return draw_properties_.opacity; }
-  SkXfermode::Mode draw_blend_mode() const {
-    return draw_properties_.blend_mode;
-  }
-  bool draw_opacity_is_animating() const {
-    return draw_properties_.opacity_is_animating;
-  }
-  bool draw_transform_is_animating() const {
-    return draw_properties_.target_space_transform_is_animating;
-  }
-  bool screen_space_transform_is_animating() const {
-    return draw_properties_.screen_space_transform_is_animating;
-  }
-  bool screen_space_opacity_is_animating() const {
-    return draw_properties_.screen_space_opacity_is_animating;
-  }
-  bool can_use_lcd_text() const { return draw_properties_.can_use_lcd_text; }
-  bool is_clipped() const { return draw_properties_.is_clipped; }
-  gfx::Rect clip_rect() const { return draw_properties_.clip_rect; }
-  gfx::Rect drawable_content_rect() const {
-    return draw_properties_.drawable_content_rect;
-  }
-  gfx::Rect visible_content_rect() const {
-    return draw_properties_.visible_content_rect;
-  }
-  LayerImpl* render_target() {
-    DCHECK(!draw_properties_.render_target ||
-           draw_properties_.render_target->render_surface());
-    return draw_properties_.render_target;
-  }
-  const LayerImpl* render_target() const {
-    DCHECK(!draw_properties_.render_target ||
-           draw_properties_.render_target->render_surface());
-    return draw_properties_.render_target;
-  }
-
-  int num_unclipped_descendants() const {
-    return draw_properties_.num_unclipped_descendants;
-  }
-
-  // The client should be responsible for setting bounds, content bounds and
-  // contents scale to appropriate values. LayerImpl doesn't calculate any of
-  // them from the other values.
-
-  void SetBounds(const gfx::Size& bounds);
-  gfx::Size bounds() const;
-  // Like bounds() but doesn't snap to int. Lossy on giant pages (e.g. millions
-  // of pixels) due to use of single precision float.
-  gfx::SizeF BoundsForScrolling() const;
-  void SetBoundsDelta(const gfx::Vector2dF& bounds_delta);
-  gfx::Vector2dF bounds_delta() const { return bounds_delta_; }
-
-  void SetContentBounds(const gfx::Size& content_bounds);
-  gfx::Size content_bounds() const { return draw_properties_.content_bounds; }
-
-  float contents_scale_x() const { return draw_properties_.contents_scale_x; }
-  float contents_scale_y() const { return draw_properties_.contents_scale_y; }
-  void SetContentsScale(float contents_scale_x, float contents_scale_y);
-
-  void SetScrollOffsetDelegate(ScrollOffsetDelegate* scroll_offset_delegate);
-  void RefreshFromScrollDelegate();
-  bool IsExternalFlingActive() const;
-
-  void SetCurrentScrollOffset(const gfx::ScrollOffset& scroll_offset);
-  void PushScrollOffsetFromMainThread(const gfx::ScrollOffset& scroll_offset);
-  // This method is similar to PushScrollOffsetFromMainThread but will cause the
-  // scroll offset given to clobber any scroll changes on the active tree in the
-  // time until this value is pushed to the active tree.
-  void PushScrollOffsetFromMainThreadAndClobberActiveValue(
-      const gfx::ScrollOffset& scroll_offset);
-  gfx::ScrollOffset PullDeltaForMainThread();
-  gfx::ScrollOffset CurrentScrollOffset() const;
-  gfx::ScrollOffset BaseScrollOffset() const;
-  gfx::Vector2dF ScrollDelta() const;
-  void SetScrollDelta(const gfx::Vector2dF& delta);
-
-  gfx::ScrollOffset MaxScrollOffset() const;
-  gfx::ScrollOffset ClampScrollOffsetToLimits(gfx::ScrollOffset offset) const;
-  gfx::Vector2dF ClampScrollToMaxScrollOffset();
-  void SetScrollbarPosition(ScrollbarLayerImplBase* scrollbar_layer,
-                            LayerImpl* scrollbar_clip_layer,
-                            bool on_resize) const;
-  void SetScrollCompensationAdjustment(const gfx::Vector2dF& scroll_offset) {
-    scroll_compensation_adjustment_ = scroll_offset;
-  }
-  gfx::Vector2dF ScrollCompensationAdjustment() const {
-    return scroll_compensation_adjustment_;
-  }
-
-  // Returns the delta of the scroll that was outside of the bounds of the
-  // initial scroll
-  gfx::Vector2dF ScrollBy(const gfx::Vector2dF& scroll);
-
-  void SetScrollClipLayer(int scroll_clip_layer_id);
-  LayerImpl* scroll_clip_layer() const { return scroll_clip_layer_; }
-  bool scrollable() const { return !!scroll_clip_layer_; }
-
-  void set_user_scrollable_horizontal(bool scrollable) {
-    user_scrollable_horizontal_ = scrollable;
-  }
-  bool user_scrollable_horizontal() const {
-    return user_scrollable_horizontal_;
-  }
-  void set_user_scrollable_vertical(bool scrollable) {
-    user_scrollable_vertical_ = scrollable;
-  }
-  bool user_scrollable_vertical() const { return user_scrollable_vertical_; }
-
-  bool user_scrollable(ScrollbarOrientation orientation) const;
-
-  void ApplySentScrollDeltasFromAbortedCommit();
-
-  void SetShouldScrollOnMainThread(bool should_scroll_on_main_thread) {
-    should_scroll_on_main_thread_ = should_scroll_on_main_thread;
-  }
-  bool should_scroll_on_main_thread() const {
-    return should_scroll_on_main_thread_;
-  }
-
-  void SetHaveWheelEventHandlers(bool have_wheel_event_handlers) {
-    have_wheel_event_handlers_ = have_wheel_event_handlers;
-  }
-  bool have_wheel_event_handlers() const { return have_wheel_event_handlers_; }
-
-  void SetHaveScrollEventHandlers(bool have_scroll_event_handlers) {
-    have_scroll_event_handlers_ = have_scroll_event_handlers;
-  }
-  bool have_scroll_event_handlers() const {
-    return have_scroll_event_handlers_;
-  }
-
-  void SetNonFastScrollableRegion(const Region& region) {
-    non_fast_scrollable_region_ = region;
-  }
-  const Region& non_fast_scrollable_region() const {
-    return non_fast_scrollable_region_;
-  }
-
-  void SetTouchEventHandlerRegion(const Region& region) {
-    touch_event_handler_region_ = region;
-  }
-  const Region& touch_event_handler_region() const {
-    return touch_event_handler_region_;
-  }
-
-  void SetScrollBlocksOn(ScrollBlocksOn scroll_blocks_on) {
-    scroll_blocks_on_ = scroll_blocks_on;
-  }
-  ScrollBlocksOn scroll_blocks_on() const { return scroll_blocks_on_; }
-  void SetDrawCheckerboardForMissingTiles(bool checkerboard) {
-    draw_checkerboard_for_missing_tiles_ = checkerboard;
-  }
-  bool draw_checkerboard_for_missing_tiles() const {
-    return draw_checkerboard_for_missing_tiles_;
-  }
-
-  InputHandler::ScrollStatus TryScroll(
-      const gfx::PointF& screen_space_point,
-      InputHandler::ScrollInputType type,
-      ScrollBlocksOn effective_block_mode) const;
-
-  void SetDoubleSided(bool double_sided);
-  bool double_sided() const { return double_sided_; }
-
-  void SetTransform(const gfx::Transform& transform);
-  const gfx::Transform& transform() const { return transform_; }
-  bool TransformIsAnimating() const;
-  bool TransformIsAnimatingOnImplOnly() const;
-  void SetTransformAndInvertibility(const gfx::Transform& transform,
-                                    bool transform_is_invertible);
-  bool transform_is_invertible() const { return transform_is_invertible_; }
-
-  // Note this rect is in layer space (not content space).
-  void SetUpdateRect(const gfx::Rect& update_rect);
-  gfx::Rect update_rect() const { return update_rect_; }
-
-  void AddDamageRect(const gfx::RectF& damage_rect);
-
-  const gfx::RectF& damage_rect() const { return damage_rect_; }
-
-  virtual base::DictionaryValue* LayerTreeAsJson() const;
-
-  void SetStackingOrderChanged(bool stacking_order_changed);
-
-  bool LayerPropertyChanged() const { return layer_property_changed_; }
-
-  void ResetAllChangeTrackingForSubtree();
-
-  LayerAnimationController* layer_animation_controller() {
-    return layer_animation_controller_.get();
-  }
-
-  const LayerAnimationController* layer_animation_controller() const {
-    return layer_animation_controller_.get();
-  }
-
-  virtual SimpleEnclosedRegion VisibleContentOpaqueRegion() const;
-
-  virtual void DidBecomeActive();
-
-  virtual void DidBeginTracing();
-
-  // Release resources held by this layer. Called when the output surface
-  // that rendered this layer was lost or a rendering mode switch has occured.
-  virtual void ReleaseResources();
-
-  // Recreate resources that are required after they were released by a
-  // ReleaseResources call.
-  virtual void RecreateResources();
-
-  ScrollbarAnimationController* scrollbar_animation_controller() const {
-    return scrollbar_animation_controller_.get();
-  }
-
-  typedef std::set<ScrollbarLayerImplBase*> ScrollbarSet;
-  ScrollbarSet* scrollbars() { return scrollbars_.get(); }
-  void ClearScrollbars();
-  void AddScrollbar(ScrollbarLayerImplBase* layer);
-  void RemoveScrollbar(ScrollbarLayerImplBase* layer);
-  bool HasScrollbar(ScrollbarOrientation orientation) const;
-  void ScrollbarParametersDidChange(bool on_resize);
-  int clip_height() {
-    return scroll_clip_layer_ ? scroll_clip_layer_->bounds().height() : 0;
-  }
-
-  gfx::Rect LayerRectToContentRect(const gfx::RectF& layer_rect) const;
-
-  virtual skia::RefPtr<SkPicture> GetPicture();
-
-  virtual scoped_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl);
-  virtual void PushPropertiesTo(LayerImpl* layer);
-
-  virtual void GetAllTilesAndPrioritiesForTracing(
-      std::map<const Tile*, TilePriority>* tile_map) const;
-  virtual void AsValueInto(base::trace_event::TracedValue* dict) const;
-
-  virtual size_t GPUMemoryUsageInBytes() const;
-
-  void SetNeedsPushProperties();
-  void AddDependentNeedsPushProperties();
-  void RemoveDependentNeedsPushProperties();
-  bool parent_should_know_need_push_properties() const {
-    return needs_push_properties() || descendant_needs_push_properties();
-  }
-
-  bool needs_push_properties() const { return needs_push_properties_; }
-  bool descendant_needs_push_properties() const {
-    return num_dependents_need_push_properties_ > 0;
-  }
-
-  virtual void RunMicroBenchmark(MicroBenchmarkImpl* benchmark);
-
-  virtual void SetDebugInfo(
-      scoped_refptr<base::trace_event::ConvertableToTraceFormat> other);
-
-  bool IsDrawnRenderSurfaceLayerListMember() const;
-
-  void Set3dSortingContextId(int id);
-  int sorting_context_id() { return sorting_context_id_; }
-
-  void PassFrameTimingRequests(
-      std::vector<FrameTimingRequest>* frame_timing_requests);
-  const std::vector<FrameTimingRequest>& frame_timing_requests() const {
-    return frame_timing_requests_;
-  }
-
-  SyncedScrollOffset* synced_scroll_offset() { return scroll_offset_.get(); }
-
-  // Get the correct invalidation region instead of conservative Rect
-  // for layers that provide it.
-  virtual Region GetInvalidationRegion();
-
-  virtual gfx::Rect GetEnclosingRectInTargetSpace() const;
-
- protected:
-  LayerImpl(LayerTreeImpl* layer_impl,
-            int id,
-            scoped_refptr<SyncedScrollOffset> scroll_offset);
-  LayerImpl(LayerTreeImpl* layer_impl, int id);
-
-  // Get the color and size of the layer's debug border.
-  virtual void GetDebugBorderProperties(SkColor* color, float* width) const;
-
-  void AppendDebugBorderQuad(RenderPass* render_pass,
-                             const gfx::Size& content_bounds,
-                             const SharedQuadState* shared_quad_state,
-                             AppendQuadsData* append_quads_data) const;
-  void AppendDebugBorderQuad(RenderPass* render_pass,
-                             const gfx::Size& content_bounds,
-                             const SharedQuadState* shared_quad_state,
-                             AppendQuadsData* append_quads_data,
-                             SkColor color,
-                             float width) const;
-
-  void NoteLayerPropertyChanged();
-  void NoteLayerPropertyChangedForSubtree();
-
-  // Note carefully this does not affect the current layer.
-  void NoteLayerPropertyChangedForDescendants();
-
-  gfx::Rect GetScaledEnclosingRectInTargetSpace(float scale) const;
-
- private:
-  void PushScrollOffset(const gfx::ScrollOffset* scroll_offset);
-  void DidUpdateScrollOffset();
-  void NoteLayerPropertyChangedForDescendantsInternal();
-
-  virtual const char* LayerTypeAsString() const;
-
-  // Properties internal to LayerImpl
-  LayerImpl* parent_;
-  OwnedLayerImplList children_;
-
-  LayerImpl* scroll_parent_;
-
-  // Storing a pointer to a set rather than a set since this will be rarely
-  // used. If this pointer turns out to be too heavy, we could have this (and
-  // the scroll parent above) be stored in a LayerImpl -> scroll_info
-  // map somewhere.
-  scoped_ptr<std::set<LayerImpl*>> scroll_children_;
-
-  LayerImpl* clip_parent_;
-  scoped_ptr<std::set<LayerImpl*>> clip_children_;
-
-  // mask_layer_ can be temporarily stolen during tree sync, we need this ID to
-  // confirm newly assigned layer is still the previous one
-  int mask_layer_id_;
-  scoped_ptr<LayerImpl> mask_layer_;
-  int replica_layer_id_;  // ditto
-  scoped_ptr<LayerImpl> replica_layer_;
-  int layer_id_;
-  LayerTreeImpl* layer_tree_impl_;
-
-  // Properties dynamically changeable on active tree.
-  scoped_refptr<SyncedScrollOffset> scroll_offset_;
-  gfx::Vector2dF bounds_delta_;
-
-  // Properties synchronized from the associated Layer.
-  gfx::Point3F transform_origin_;
-  gfx::Size bounds_;
-  ScrollOffsetDelegate* scroll_offset_delegate_;
-  LayerImpl* scroll_clip_layer_;
-  bool scrollable_ : 1;
-  bool should_scroll_on_main_thread_ : 1;
-  bool have_wheel_event_handlers_ : 1;
-  bool have_scroll_event_handlers_ : 1;
-
-  static_assert(SCROLL_BLOCKS_ON_MAX < (1 << 3), "ScrollBlocksOn too big");
-  ScrollBlocksOn scroll_blocks_on_ : 3;
-
-  bool user_scrollable_horizontal_ : 1;
-  bool user_scrollable_vertical_ : 1;
-  bool stacking_order_changed_ : 1;
-  // Whether the "back" of this layer should draw.
-  bool double_sided_ : 1;
-  bool should_flatten_transform_ : 1;
-
-  // Tracks if drawing-related properties have changed since last redraw.
-  bool layer_property_changed_ : 1;
-
-  bool masks_to_bounds_ : 1;
-  bool contents_opaque_ : 1;
-  bool is_root_for_isolated_group_ : 1;
-  bool use_parent_backface_visibility_ : 1;
-  bool draw_checkerboard_for_missing_tiles_ : 1;
-  bool draws_content_ : 1;
-  bool hide_layer_and_subtree_ : 1;
-
-  // Cache transform_'s invertibility.
-  bool transform_is_invertible_ : 1;
-
-  // Set for the layer that other layers are fixed to.
-  bool is_container_for_fixed_position_layers_ : 1;
-  Region non_fast_scrollable_region_;
-  Region touch_event_handler_region_;
-  SkColor background_color_;
-
-  float opacity_;
-  SkXfermode::Mode blend_mode_;
-  gfx::PointF position_;
-  gfx::Transform transform_;
-
-  LayerPositionConstraint position_constraint_;
-
-  gfx::Vector2dF scroll_compensation_adjustment_;
-
-  int num_descendants_that_draw_content_;
-
-  // The global depth value of the center of the layer. This value is used
-  // to sort layers from back to front.
-  float draw_depth_;
-
-  FilterOperations filters_;
-  FilterOperations background_filters_;
-
- protected:
-  friend class TreeSynchronizer;
-
-  // This flag is set when the layer needs to push properties to the active
-  // side.
-  bool needs_push_properties_;
-
-  // The number of direct children or dependent layers that need to be recursed
-  // to in order for them or a descendent of them to push properties to the
-  // active side.
-  int num_dependents_need_push_properties_;
-
-  // Layers that share a sorting context id will be sorted together in 3d
-  // space.  0 is a special value that means this layer will not be sorted and
-  // will be drawn in paint order.
-  int sorting_context_id_;
-
-  DrawMode current_draw_mode_;
-
- private:
-  // Rect indicating what was repainted/updated during update.
-  // Note that plugin layers bypass this and leave it empty.
-  // Uses layer (not content) space.
-  gfx::Rect update_rect_;
-
-  // This rect is in layer space.
-  gfx::RectF damage_rect_;
-
-  // Manages animations for this layer.
-  scoped_refptr<LayerAnimationController> layer_animation_controller_;
-
-  // Manages scrollbars for this layer
-  scoped_ptr<ScrollbarAnimationController> scrollbar_animation_controller_;
-
-  scoped_ptr<ScrollbarSet> scrollbars_;
-
-  ScopedPtrVector<CopyOutputRequest> copy_requests_;
-
-  // Group of properties that need to be computed based on the layer tree
-  // hierarchy before layers can be drawn.
-  DrawProperties<LayerImpl> draw_properties_;
-
-  scoped_refptr<base::trace_event::ConvertableToTraceFormat> debug_info_;
-  scoped_ptr<RenderSurfaceImpl> render_surface_;
-
-  std::vector<FrameTimingRequest> frame_timing_requests_;
-  bool frame_timing_requests_dirty_;
-
-  DISALLOW_COPY_AND_ASSIGN(LayerImpl);
-};
-
-}  // namespace cc
-
-#endif  // CC_LAYERS_LAYER_IMPL_H_